Chlorine anion

Formula: Cl^-
Molecular weight: 35.454
IUPAC Standard InChI: InChI=1S/ClH/h1H/p-1
IUPAC Standard InChIKey: VEXZGXHMUGYJMC-UHFFFAOYSA-M
CAS Registry Number: 16887-00-6
Chemical structure:
This structure is also available as a 2d Mol file
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Other data available:
- Gas phase thermochemistry data
- Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 100, reactions 101 to 150, reactions 151 to 200, reactions 201 to 250, reactions 251 to 300, reactions 301 to 314
- Gas phase ion energetics data
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Ion clustering data

Data compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Chlorine anion = C₄HClF₉^-

By formula: Cl^- = C₄HClF₉^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	15.50 ± 0.30	kcal/mol	IMRE	Guerrero, Herrero, et al., 2009	gas phase; B

Chlorine anion = C₅H₁₀Cl^-

By formula: Cl^- = C₅H₁₀Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.51	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.61	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B

Chlorine anion = C₅H₁₂Cl^-

By formula: Cl^- = C₅H₁₂Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.96	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.61	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B

Chlorine anion = C₆H₁₂Cl^-

By formula: Cl^- = C₆H₁₂Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.56	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.00	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B

Chlorine anion = C₆H₁₄Cl^-

By formula: Cl^- = C₆H₁₄Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.18	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.20	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B

Chlorine anion = C₇H₁₄Cl^-

By formula: Cl^- = C₇H₁₄Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.52	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.54	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B

Chlorine anion = C₇H₁₆Cl^-

By formula: Cl^- = C₇H₁₆Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.52	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.60	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B

Chlorine anion = C₈H₈Cl^-

By formula: Cl^- = C₈H₈Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	20.1 ± 1.6	kcal/mol	CIDT	Hammad and Wenthold, 2000	gas phase; B

Chlorine anion = C₈H₁₆Cl^-

By formula: Cl^- = C₈H₁₆Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.52	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.25	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B

Chlorine anion = C₈H₁₈Cl^-

By formula: Cl^- = C₈H₁₈Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.74	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.47	kcal/mol	N/A	Ziegler, Gamble, et al., 2013	gas phase; B

Chlorine anion = ClN₂O^-

By formula: Cl^- = ClN₂O^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	4.50 ± 0.10	kcal/mol	N/A	Boesl, Distelrath, et al., 2008	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + AlClF₂ = (Cl^- • AlClF₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	74.3 ± 2.9	kcal/mol	TDAs	Pervova, Korobov, et al., 1992	gas phase; Thermo at 0K, experiments at 800-1100K. See also AlCl2F..F-; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + = ( • )

By formula: Cl^- + AlCl₂F = (Cl^- • AlCl₂F)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	75.3 ± 2.9	kcal/mol	TDAs	Pervova, Korobov, et al., 1992	gas phase; Thermo at 0K, experiemnts at 800-1100K. See also AlCl3..F-; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + AlCl₃ = ( • AlCl₃)

By formula: Cl^- + AlCl₃ = (Cl^- • AlCl₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	76.7 ± 2.9	kcal/mol	TDAs	Pervova, Korobov, et al., 1992	gas phase; Thermo at 0K, experiments at 800-1100 K; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + = ( • )

By formula: Cl^- + AlF₃ = (Cl^- • AlF₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	74.3 ± 2.9	kcal/mol	TDAs	Pervova, Korobov, et al., 1992	gas phase; Thermo at 0K, experiment at 800-1100 K. See also AlClF2..F-; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + = AsCl₄^-

By formula: Cl^- + AsCl₃ = AsCl₄^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	27.5 ± 1.7	kcal/mol	CIDT	Walker, Check, et al., 2002	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + AsF₃ = (Cl^- • AsF₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	25.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	24.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	18.6 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + BCl₃ = (Cl^- • BCl₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	69.0 ± 2.0	kcal/mol	Ther	Krivtsov, Titova, et al., 1977	gas phase; Halide affinities from this reference are too high. G3MP2B3 calculations indicate an dHaff ca. 46 kcal/mol; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + = ( • )

By formula: Cl^- + BF₃ = (Cl^- • BF₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	26.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	19.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + BiCl₃ = BiCl₄^-

By formula: Cl^- + BiCl₃ = BiCl₄^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	36.6 ± 3.6	kcal/mol	CIDT	Walker, Check, et al., 2002	gas phase; B

Chlorine anion + = CBrClF₃^-

By formula: Cl^- + CBrF₃ = CBrClF₃^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.50 ± 0.20	kcal/mol	TDAs	Bogdanov and McMahon, 2006	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.20	kcal/mol	TDAs	Bogdanov and McMahon, 2006	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + CCl₂O = (Cl^- • CCl₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + CCl₄ = (Cl^- • CCl₄)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.4 ± 2.0	kcal/mol	TDAs	Hiraoka, Mizuno, et al., 2001	gas phase; B
Δ_rH°	14.20 ± 0.70	kcal/mol	TDAs	Dougherty, Dalton, et al., 1974	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	27.8	cal/mol*K	HPMS	Dougherty, Dalton, et al., 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.05	kcal/mol	TDAs	Hiraoka, Mizuno, et al., 2001	gas phase; B
Δ_rG°	5.90 ± 0.90	kcal/mol	TDAs	Dougherty, Dalton, et al., 1974	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + CF₂O = (Cl^- • CF₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.6 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + = CClF₃I^-

By formula: Cl^- + CF₃I = CClF₃I^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	23.60 ± 0.20	kcal/mol	TDAs	Bogdanov and McMahon, 2006	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + CHClF₂ = (Cl^- • CHClF₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.0	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + CHCl₂F = (Cl^- • CHCl₂F)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.6 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.1	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.7 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + CHCl₃ = (Cl^- • CHCl₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.2 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; B,M
Δ_rH°	19.5 ± 2.0	kcal/mol	TDAs	Hiraoka, Mizuno, et al., 2001	gas phase; B
Δ_rH°	18.10	kcal/mol	Mobl	Giles and Grimsrud, 1993	gas phase; B
Δ_rH°	18.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rH°	19.10 ± 0.70	kcal/mol	TDEq	Dougherty, Dalton, et al., 1974	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.2	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; From thermochemical cycle(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Δ_rS°	24.5	cal/mol*K	HPMS	Dougherty, Dalton, et al., 1974	gas phase; M
Δ_rS°	14.8	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1971	gas phase; Entropy change is questionable; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11. ± 1.	kcal/mol	AVG	N/A	Average of 6 values; Individual data points

Chlorine anion + = ( • )

By formula: Cl^- + CHF₃ = (Cl^- • CHF₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.7 ± 2.4	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.9	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + CHN = (Cl^- • CHN)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	21.8 ± 1.0	kcal/mol	TDAs	Meot-ner, 1988	gas phase; B,B,M
Δ_rH°	21.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	18.9	cal/mol*K	PHPMS	Meot-ner, Cybulski, et al., 1988	gas phase; M
Δ_rS°	23.7	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	16.2 ± 1.6	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B
Δ_rG°	16.1 ± 1.0	kcal/mol	TDAs	Meot-ner, 1988	gas phase; B
Δ_rG°	13.9 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • CHN) + CHN = (Cl^- • 2CHN)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.9 ± 1.0	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.7	cal/mol*K	PHPMS	Meot-ner, Cybulski, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.10	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2CHN) + CHN = (Cl^- • 3CHN)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.6 ± 1.0	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.4	cal/mol*K	PHPMS	Meot-ner, Cybulski, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.20	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3CHN) + CHN = (Cl^- • 4CHN)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.2 ± 1.0	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.4	cal/mol*K	PHPMS	Meot-ner, Cybulski, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.20	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4CHN) + CHN = (Cl^- • 5CHN)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.8 ± 1.0	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.3	cal/mol*K	PHPMS	Meot-ner, Cybulski, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.50	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B

( Chlorine anion • 5) + = ( • 6)

By formula: (Cl^- • 5CHN) + CHN = (Cl^- • 6CHN)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.7 ± 1.0	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	24.3	cal/mol*K	PHPMS	Meot-ner, Cybulski, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.50	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B

( Chlorine anion • 6) + = ( • 7)

By formula: (Cl^- • 6CHN) + CHN = (Cl^- • 7CHN)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.9 ± 1.0	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.1	cal/mol*K	PHPMS	Meot-ner, Cybulski, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.00	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B

( Chlorine anion • 7) + = ( • 8)

By formula: (Cl^- • 7CHN) + CHN = (Cl^- • 8CHN)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.2 ± 1.0	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	27.4	cal/mol*K	PHPMS	Meot-ner, Cybulski, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	0.0 ± 2.2	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; B

( Chlorine anion • 8) + = ( • 9)

By formula: (Cl^- • 8CHN) + CHN = (Cl^- • 9CHN)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.5 ± 1.0	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; Entropy estimated; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.	cal/mol*K	N/A	Meot-ner, Cybulski, et al., 1988	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	0.10	kcal/mol	TDAs	Meot-ner, Cybulski, et al., 1988	gas phase; Entropy estimated; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
3.2	171.	PHPMS	Meot-ner, Cybulski, et al., 1988	gas phase; Entropy change calculated or estimated; M

Chlorine anion + = ( • )

By formula: Cl^- + CH₂Cl₂ = (Cl^- • CH₂Cl₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rH°	14.8 ± 2.0	kcal/mol	TDAs	Hiraoka, Mizuno, et al., 2001	gas phase; B
Δ_rH°	15.50 ± 0.30	kcal/mol	TDEq	Dougherty, Dalton, et al., 1974	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.1	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Kebarle, 1977; M
Δ_rS°	22.0	cal/mol*K	HPMS	Dougherty, Dalton, et al., 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rG°	8.84	kcal/mol	TDAs	Hiraoka, Mizuno, et al., 2001	gas phase; B
Δ_rG°	8.90 ± 0.60	kcal/mol	TDEq	Dougherty, Dalton, et al., 1974	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + CH₂O₂ = (Cl^- • CH₂O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	27.4 ± 2.0	kcal/mol	TDAs	French, Ikuta, et al., 1982	gas phase; B,M
Δ_rH°	27.7 ± 2.1	kcal/mol	CIDT	Walker and Sunderlin, 1999	gas phase; B
Δ_rH°	25.6 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rH°	37.2 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; In serious disagreement with other's values. Source of error not obvious.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	24.5	cal/mol*K	PHPMS	French, Ikuta, et al., 1982	gas phase; M
Δ_rS°	24.1	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	39.6	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1971	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	20.1 ± 2.0	kcal/mol	TDAs	French, Ikuta, et al., 1982	gas phase; B
Δ_rG°	18.4 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rG°	25.4 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; In serious disagreement with other's values. Source of error not obvious.; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • CH₂O₂) + CH₂O₂ = (Cl^- • 2CH₂O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.2 ± 2.1	kcal/mol	CIDT	Walker and Sunderlin, 1999	gas phase; B
Δ_rH°	34.1 ± 3.1	kcal/mol	N/A	Luczynski, Wlodek, et al., 1978	gas phase; Buffer gas: H2. Value too bound based on French, Ikuta, et al., 1982, by Grimsrud fractionation factor ( Williamson, Knighton, et al., 1996).; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	55.	cal/mol*K	HPMS	Luczynski, Wlodek, et al., 1978	gas phase; Entropy change is questionable; M

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2CH₂O₂) + CH₂O₂ = (Cl^- • 3CH₂O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	22.2 ± 2.7	kcal/mol	N/A	Luczynski, Wlodek, et al., 1978	gas phase; Buffer gas: H2. Value too bound based on French, Ikuta, et al., 1982, by Grimsrud fractionation factor ( Williamson, Knighton, et al., 1996).; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	35.	cal/mol*K	HPMS	Luczynski, Wlodek, et al., 1978	gas phase; Entropy change is questionable; M

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3CH₂O₂) + CH₂O₂ = (Cl^- • 4CH₂O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.1 ± 2.2	kcal/mol	N/A	Luczynski, Wlodek, et al., 1978	gas phase; Buffer gas: H2. Value too bound based on French, Ikuta, et al., 1982, by Grimsrud fractionation factor ( Williamson, Knighton, et al., 1996).; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.	cal/mol*K	HPMS	Luczynski, Wlodek, et al., 1978	gas phase; M

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4CH₂O₂) + CH₂O₂ = (Cl^- • 5CH₂O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.1 ± 2.0	kcal/mol	N/A	Luczynski, Wlodek, et al., 1978	gas phase; Buffer gas: H2. Value too bound based on French, Ikuta, et al., 1982, by Grimsrud fractionation factor ( Williamson, Knighton, et al., 1996).; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	11.5	cal/mol*K	HPMS	Luczynski, Wlodek, et al., 1978	gas phase; Entropy change is questionable; M

Chlorine anion + = ( • )

By formula: Cl^- + CH₃Br = (Cl^- • CH₃Br)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.5 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Δ_rH°	10.90 ± 0.50	kcal/mol	TDAs	Dougherty and Roberts, 1974	gas phase; B,M
Δ_rH°	12.2 ± 3.0	kcal/mol	IMRB	Riveros, Breda, et al., 1973	gas phase; Anchored: Larson and McMahon, 1984, 3; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	12.8	cal/mol*K	HPMS	Dougherty and Roberts, 1974	gas phase; Entropy change is questionable; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.80 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Δ_rG°	7.1 ± 1.2	kcal/mol	TDAs	Dougherty and Roberts, 1974	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + CH₃Cl = (Cl^- • CH₃Cl)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.4 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Δ_rH°	11.7 ± 2.0	kcal/mol	TDAs	Hiraoka, Mizuno, et al., 2001	gas phase; B
Δ_rH°	12.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rH°	8.60 ± 0.20	kcal/mol	TDAs	Dougherty, Dalton, et al., 1974	gas phase; B,M
Δ_rH°	15.2 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.5	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	15.3	cal/mol*K	HPMS	Dougherty, Dalton, et al., 1974	gas phase; Entropy change is questionable; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.80 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Δ_rG°	4.84	kcal/mol	TDAs	Hiraoka, Mizuno, et al., 2001	gas phase; B
Δ_rG°	6.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rG°	4.10 ± 0.50	kcal/mol	TDAs	Dougherty, Dalton, et al., 1974	gas phase; B
Δ_rG°	10.8 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + CH₃F = (Cl^- • CH₃F)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.3	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CH3Cl, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.4	kcal/mol	ICR	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CH3Cl, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M

Chlorine anion + = ( • )

By formula: Cl^- + CH₃F₃Si = (Cl^- • CH₃F₃Si)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + CH₃I = (Cl^- • CH₃I)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.80 ± 0.20	kcal/mol	TDAs	Dougherty and Roberts, 1974	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	7.3	cal/mol*K	HPMS	Dougherty and Roberts, 1974	gas phase; Entropy change is questionable; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.0 ± 1.3	kcal/mol	TDAs	Dougherty and Roberts, 1974	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + CH₃NO₂ = (Cl^- • CH₃NO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.60 ± 0.60	kcal/mol	TDAs	Wincel, 2003	gas phase; B
Δ_rH°	16.70 ± 0.10	kcal/mol	TDAs	Sieck, 1985	gas phase; B,M
Δ_rH°	16.3 ± 3.0	kcal/mol	IMRB	Riveros, Breda, et al., 1973	gas phase; Anchored: Larson and McMahon, 1984, 3; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	17.1	cal/mol*K	PHPMS	Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.20	kcal/mol	TDAs	Wincel, 2003	gas phase; B
Δ_rG°	11.60 ± 0.10	kcal/mol	TDAs	Sieck, 1985	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • CH₃NO₂) + CH₃NO₂ = (Cl^- • 2CH₃NO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.00 ± 0.50	kcal/mol	TDAs	Wincel, 2003	gas phase; B
Δ_rH°	13.10 ± 0.10	kcal/mol	TDAs	Sieck, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	18.3	cal/mol*K	PHPMS	Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.70	kcal/mol	TDAs	Wincel, 2003	gas phase; B
Δ_rG°	7.60 ± 0.30	kcal/mol	TDAs	Sieck, 1985	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + CH₄O = (Cl^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17. ± 3.	kcal/mol	AVG	N/A	Average of 8 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.6	cal/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M
Δ_rS°	24.1	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	22.0	cal/mol*K	PHPMS	Sieck, 1985	gas phase; M
Δ_rS°	22.9	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	14.8	cal/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; Entropy change is questionable; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.1 ± 0.8	kcal/mol	AVG	N/A	Average of 10 values; Individual data points

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • CH₄O) + CH₄O = (Cl^- • 2CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.10 ± 0.40	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	13.70 ± 0.20	kcal/mol	TDAs	Evans and Keesee, 1991	gas phase; B,M
Δ_rH°	14.1 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Δ_rH°	13.00 ± 0.70	kcal/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	24.2	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	22.0	cal/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M
Δ_rS°	19.4	cal/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.30	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	7.10	kcal/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rG°	6.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	7.20 ± 0.40	kcal/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2CH₄O) + CH₄O = (Cl^- • 3CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.50 ± 0.20	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	10.80 ± 0.30	kcal/mol	TDAs	Evans and Keesee, 1991	gas phase; B,M
Δ_rH°	11.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Δ_rH°	12.30 ± 0.60	kcal/mol	N/A	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.9	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	22.7	cal/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M
Δ_rS°	23.6	cal/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.06	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	4.00	kcal/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rG°	4.9 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	5.20 ± 0.30	kcal/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3CH₄O) + CH₄O = (Cl^- • 4CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.5 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Δ_rH°	10.50	kcal/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rH°	11.20 ± 0.60	kcal/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.9	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	26.4	cal/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	3.70	kcal/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rG°	3.30 ± 0.20	kcal/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4CH₄O) + CH₄O = (Cl^- • 5CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.2 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Δ_rH°	10.50 ± 0.50	kcal/mol	N/A	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.7	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	25.5	cal/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.7 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	2.90 ± 0.10	kcal/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( Chlorine anion • 5) + = ( • 6)

By formula: (Cl^- • 5CH₄O) + CH₄O = (Cl^- • 6CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.9 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.2	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.2 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 6) + = ( • 7)

By formula: (Cl^- • 6CH₄O) + CH₄O = (Cl^- • 7CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.0 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.1	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.0 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 7) + = ( • 8)

By formula: (Cl^- • 7CH₄O) + CH₄O = (Cl^- • 8CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.7	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.7 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 8) + = ( • 9)

By formula: (Cl^- • 8CH₄O) + CH₄O = (Cl^- • 9CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.6	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.4 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 9) + = ( • 10)

By formula: (Cl^- • 9CH₄O) + CH₄O = (Cl^- • 10CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.4 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.1	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.4 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 10) + = ( • 11)

By formula: (Cl^- • 10CH₄O) + CH₄O = (Cl^- • 11CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.	cal/mol*K	N/A	Hiraoka and Mizuse, 1987	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B

( Chlorine anion • ) + = ( • • )

By formula: (Cl^- • CH₄O) + H₂O = (Cl^- • H₂O • CH₄O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.9	kcal/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	16.9	cal/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( Chlorine anion • 2) + = ( • • 2)

By formula: (Cl^- • 2CH₄O) + H₂O = (Cl^- • H₂O • 2CH₄O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.7	kcal/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	11.	cal/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( Chlorine anion • • ) + = ( • 2 • )

By formula: (Cl^- • CH₄O • H₂O) + CH₄O = (Cl^- • 2CH₄O • H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.8	kcal/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.	cal/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + CH₄S = (Cl^- • CH₄S)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.5 ± 3.0	kcal/mol	IMRB	Staneke, Groothuis, et al., 1995	gas phase; Chloride affinity comparable to that of CHCl3; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.8 ± 3.0	kcal/mol	IMRB	Staneke, Groothuis, et al., 1995	gas phase; Chloride affinity comparable to that of CHCl3; B

Chlorine anion + = CH₄Cl^-

By formula: Cl^- + CH₄ = CH₄Cl^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	3.80	kcal/mol	N/A	Hiraoka, Mizuno, et al., 2001	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	-2.16	kcal/mol	TDAs	Hiraoka, Mizuno, et al., 2001	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + CO₂ = (Cl^- • CO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	6.80 ± 0.50	kcal/mol	PDis	Arnold, Bradforth, et al., 1995	gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B
Δ_rH°	7.60	kcal/mol	TDEq	Hiraoka, Shoda, et al., 1986	gas phase; B,M
Δ_rH°	8.00 ± 0.10	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	18.2	cal/mol*K	PHPMS	Hiraoka, Shoda, et al., 1986	gas phase; M
Δ_rS°	19.6	cal/mol*K	HPMS	Keesee, Lee, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.10	kcal/mol	TDEq	Hiraoka, Shoda, et al., 1986	gas phase; B
Δ_rG°	2.10 ± 0.10	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • CO₂) + CO₂ = (Cl^- • 2CO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.2 ± 1.0	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1987	gas phase; B
Δ_rH°	7.20	kcal/mol	TDAs	Hiraoka, Shoda, et al., 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.8	cal/mol*K	PHPMS	Hiraoka, Shoda, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	-1.4 ± 2.0	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1987	gas phase; B
Δ_rG°	1.00	kcal/mol	TDAs	Hiraoka, Shoda, et al., 1986	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2CO₂) + CO₂ = (Cl^- • 3CO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	6.8 ± 1.0	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1987	gas phase; B
Δ_rH°	6.80	kcal/mol	TDAs	Hiraoka, Shoda, et al., 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.4	cal/mol*K	PHPMS	Hiraoka, Shoda, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	0.1 ± 2.0	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1987	gas phase; B
Δ_rG°	0.10	kcal/mol	TDAs	Hiraoka, Shoda, et al., 1986	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3CO₂) + CO₂ = (Cl^- • 4CO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	6.40	kcal/mol	TDAs	Hiraoka, Shoda, et al., 1986	gas phase; entropy estimated.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	24.	cal/mol*K	N/A	Hiraoka, Shoda, et al., 1986	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	-0.80	kcal/mol	TDAs	Hiraoka, Shoda, et al., 1986	gas phase; entropy estimated.; B

Chlorine anion + = ( • )

By formula: Cl^- + CS₂ = (Cl^- • CS₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.80 ± 0.20	kcal/mol	TDAs	Hiraoka, Fujimaki, et al., 1993	gas phase; B,M
Δ_rH°	11.7 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	13.9	cal/mol*K	PHPMS	Hiraoka, Fujimaki, et al., 1993	gas phase; M
Δ_rS°	20.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.6 ± 2.2	kcal/mol	TDAs	Hiraoka, Fujimaki, et al., 1993	gas phase; B
Δ_rG°	5.7 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • CS₂) + CS₂ = (Cl^- • 2CS₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.70 ± 0.20	kcal/mol	TDAs	Hiraoka, Fujimaki, et al., 1993	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	15.8	cal/mol*K	PHPMS	Hiraoka, Fujimaki, et al., 1993	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.0 ± 1.0	kcal/mol	TDAs	Hiraoka, Fujimaki, et al., 1993	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2CS₂) + CS₂ = (Cl^- • 3CS₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.20 ± 0.20	kcal/mol	TDAs	Hiraoka, Fujimaki, et al., 1993	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.3	cal/mol*K	PHPMS	Hiraoka, Fujimaki, et al., 1993	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	0.8 ± 1.0	kcal/mol	TDAs	Hiraoka, Fujimaki, et al., 1993	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3CS₂) + CS₂ = (Cl^- • 4CS₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	6.8 ± 1.0	kcal/mol	TDAs	Hiraoka, Fujimaki, et al., 1993	gas phase; Estimated entropy; single temperature measurement; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	-0.1 ± 1.0	kcal/mol	TDAs	Hiraoka, Fujimaki, et al., 1993	gas phase; Estimated entropy; single temperature measurement; B

Chlorine anion + C₂ClF₃O = ( • C₂ClF₃O)

By formula: Cl^- + C₂ClF₃O = (Cl^- • C₂ClF₃O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + C₂F₄O = ( • C₂F₄O)

By formula: Cl^- + C₂F₄O = (Cl^- • C₂F₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.7 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + = C₂ClF₄^-

By formula: Cl^- + C₂F₄ = C₂ClF₄^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	>10.00	kcal/mol	TDAs	Hiraoka, Mochizuki, et al., 2008	gas phase; Entropy estimated. The experimental HOF of C2F4 has been quiestioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.55	kcal/mol	TDAs	Hiraoka, Mochizuki, et al., 2008	gas phase; Entropy estimated. The experimental HOF of C2F4 has been quiestioned as being too positive: Curtiss, Raghavachari, et al., 7374, 11CHA/DEN; B

Chlorine anion + = ( • )

By formula: Cl^- + C₂HF₅O = (Cl^- • C₂HF₅O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.50 ± 0.40	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.3 ± 1.0	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B
Δ_rG°	12.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984, 3	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂HF₅ = (Cl^- • C₂HF₅)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	18.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.3	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₂F₄O = (Cl^- • C₂H₂F₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	28.20 ± 0.40	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	18.8 ± 1.0	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B
Δ_rG°	17.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984, 3	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₃ClO₂ = (Cl^- • C₂H₃ClO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B

Chlorine anion + C₂H₃ClO₂ = ( • C₂H₃ClO₂)

By formula: Cl^- + C₂H₃ClO₂ = (Cl^- • C₂H₃ClO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.1	kcal/mol	ICR	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.0	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.8	kcal/mol	ICR	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₃F₃O = (Cl^- • C₂H₃F₃O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	24.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.0	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CH3COOH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	16.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₃F₃ = (Cl^- • C₂H₃F₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	18.9	kcal/mol	ICR	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.0	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.4	kcal/mol	ICR	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₃N = (Cl^- • C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15. ± 2.	kcal/mol	AVG	N/A	Average of 6 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	15.7	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Δ_rS°	15.7	cal/mol*K	PHPMS	Yamabe, Furumiya, et al., 1986	gas phase; M
Δ_rS°	14.3	cal/mol*K	PHPMS	Sieck, 1985	gas phase; M
Δ_rS°	14.3	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1972	gas phase; M
Δ_rS°	21.4	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.20 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Δ_rG°	9.2 ± 2.0	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B
Δ_rG°	8.9 ± 2.6	kcal/mol	TDAs	Yamabe, Furumiya, et al., 1986	gas phase; B
Δ_rG°	10.10 ± 0.20	kcal/mol	TDAs	Sieck, 1985	gas phase; B
Δ_rG°	9.2 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1972	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₂H₃N) + C₂H₃N = (Cl^- • 2C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.50 ± 0.40	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
Δ_rH°	12.00 ± 0.70	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B
Δ_rH°	12.20	kcal/mol	TDAs	Yamdagni and Kebarle, 1972	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	16.3	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Δ_rS°	18.9	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1972	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.6 ± 1.2	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B
Δ_rG°	6.60	kcal/mol	TDAs	Yamdagni and Kebarle, 1972	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2C₂H₃N) + C₂H₃N = (Cl^- • 3C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.20 ± 0.40	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
Δ_rH°	12.00 ± 0.70	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B
Δ_rH°	10.60	kcal/mol	TDAs	Yamdagni and Kebarle, 1972	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.6	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Δ_rS°	20.1	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1972	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.3 ± 1.3	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B
Δ_rG°	4.60	kcal/mol	TDAs	Yamdagni and Kebarle, 1972	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3C₂H₃N) + C₂H₃N = (Cl^- • 4C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.90 ± 0.30	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
Δ_rH°	9.00 ± 0.80	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B
Δ_rH°	6.20	kcal/mol	TDAs	Yamdagni and Kebarle, 1972	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	26.6	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Δ_rS°	10.8	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1972	gas phase; Entropy change is questionable; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.9 ± 1.2	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B
Δ_rG°	3.00	kcal/mol	TDAs	Yamdagni and Kebarle, 1972	gas phase; B

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4C₂H₃N) + C₂H₃N = (Cl^- • 5C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.80 ± 0.20	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
Δ_rH°	5.80 ± 0.90	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	27.1	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.70 ± 0.80	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B

( Chlorine anion • 5) + = ( • 6)

By formula: (Cl^- • 5C₂H₃N) + C₂H₃N = (Cl^- • 6C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.50 ± 0.20	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
Δ_rH°	5.8 ± 1.0	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	29.1	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	0.80 ± 0.80	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B

( Chlorine anion • 6) + = ( • 7)

By formula: (Cl^- • 6C₂H₃N) + C₂H₃N = (Cl^- • 7C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.40 ± 0.30	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
Δ_rH°	3.9 ± 1.1	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	30.7	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	0.2 ± 1.4	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B

( Chlorine anion • 7) + = ( • 8)

By formula: (Cl^- • 7C₂H₃N) + C₂H₃N = (Cl^- • 8C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.20	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; Entropy estimated; B,M
Δ_rH°	2.8 ± 1.2	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	32.	cal/mol*K	N/A	Hiraoka, Mizuse, et al., 1988	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	-0.40	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; Entropy estimated; B

( Chlorine anion • 8) + = ( • 9)

By formula: (Cl^- • 8C₂H₃N) + C₂H₃N = (Cl^- • 9C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	4.4 ± 1.4	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B

( Chlorine anion • 9) + = ( • 10)

By formula: (Cl^- • 9C₂H₃N) + C₂H₃N = (Cl^- • 10C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	2.1 ± 1.5	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B

( Chlorine anion • 10) + = ( • 11)

By formula: (Cl^- • 10C₂H₃N) + C₂H₃N = (Cl^- • 11C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	1.8 ± 1.6	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B

( Chlorine anion • 11) + = ( • 12)

By formula: (Cl^- • 11C₂H₃N) + C₂H₃N = (Cl^- • 12C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-0.5 ± 1.7	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B

( Chlorine anion • 12) + = ( • 13)

By formula: (Cl^- • 12C₂H₃N) + C₂H₃N = (Cl^- • 13C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	0.9 ± 1.8	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B

( Chlorine anion • 13) + = ( • 14)

By formula: (Cl^- • 13C₂H₃N) + C₂H₃N = (Cl^- • 14C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-0.5 ± 1.9	kcal/mol	N/A	Markovich, Perera, et al., 1996	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₄F₂ = (Cl^- • C₂H₄F₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.9 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.7	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₄F₃N = (Cl^- • C₂H₄F₃N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	18.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	24.0	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₄O = (Cl^- • C₂H₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.4 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.7	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)t-C4H9F, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.9 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₄O₂ = (Cl^- • C₂H₄O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	24.40 ± 0.20	kcal/mol	TDAs	Sieck, 1985	gas phase; B,M
Δ_rH°	21.6 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; B,M
Δ_rH°	23.9 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.6	cal/mol*K	PHPMS	Sieck, 1985	gas phase; M
Δ_rS°	24.0	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	19.3	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1971	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	18.60 ± 0.30	kcal/mol	TDAs	Sieck, 1985	gas phase; B
Δ_rG°	15.8 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; B
Δ_rG°	16.7 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₅Br = (Cl^- • C₂H₅Br)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.6 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.92 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₅ClO = (Cl^- • C₂H₅ClO)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	21.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.0	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)FCH2CH2OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	14.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₅Cl = (Cl^- • C₂H₅Cl)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.4 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Δ_rH°	14.5 ± 4.5	kcal/mol	IMRB	Riveros, Breda, et al., 1973	gas phase; Anchored: Larson and McMahon, 1984, 3; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.80 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₅FO = (Cl^- • C₂H₅FO)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	20.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.0	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	13.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₆OS = (Cl^- • C₂H₆OS)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	18.60	kcal/mol	TDAs	Magnera, Caldwell, et al., 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.4	cal/mol*K	PHPMS	Magnera, Caldwell, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	12.50	kcal/mol	TDAs	Magnera, Caldwell, et al., 1984	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₂H₆OS) + C₂H₆OS = (Cl^- • 2C₂H₆OS)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.0	kcal/mol	PHPMS	Magnera, Caldwell, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.8	cal/mol*K	PHPMS	Magnera, Caldwell, et al., 1984	gas phase; M

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2C₂H₆OS) + C₂H₆OS = (Cl^- • 3C₂H₆OS)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.9	kcal/mol	PHPMS	Magnera, Caldwell, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	29.8	cal/mol*K	PHPMS	Magnera, Caldwell, et al., 1984	gas phase; M

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3C₂H₆OS) + C₂H₆OS = (Cl^- • 4C₂H₆OS)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.6	kcal/mol	PHPMS	Magnera, Caldwell, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	37.2	cal/mol*K	PHPMS	Magnera, Caldwell, et al., 1984	gas phase; M

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4C₂H₆OS) + C₂H₆OS = (Cl^- • 5C₂H₆OS)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.8	kcal/mol	PHPMS	Magnera, Caldwell, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	40.2	cal/mol*K	PHPMS	Magnera, Caldwell, et al., 1984	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₆O = (Cl^- • C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.90 ± 0.40	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	17.60 ± 0.50	kcal/mol	TDAs	Hiraoka, 1987	gas phase; B,B,M
Δ_rH°	17.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.7	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	23.1	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.65	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	10.5 ± 2.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	10.5 ± 2.0	kcal/mol	TDAs	Hiraoka, 1987	gas phase; B
Δ_rG°	10.4 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
10.0	295.	ICR	Riveros, 1974	gas phase; switching reaction(Cl-)CH3OH; Riveros, Breda, et al., 1973; M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₂H₆O) + C₂H₆O = (Cl^- • 2C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.30 ± 0.20	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	16.1 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.9	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.34	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	8.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2C₂H₆O) + C₂H₆O = (Cl^- • 3C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.90 ± 0.70	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	12.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.8	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.16	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	5.1 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3C₂H₆O) + C₂H₆O = (Cl^- • 4C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.0 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	29.5	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.2 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4C₂H₆O) + C₂H₆O = (Cl^- • 5C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.5 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	30.6	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 5) + = ( • 6)

By formula: (Cl^- • 5C₂H₆O) + C₂H₆O = (Cl^- • 6C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.1 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	31.0	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 6) + = ( • 7)

By formula: (Cl^- • 6C₂H₆O) + C₂H₆O = (Cl^- • 7C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	26.9	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.7 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 7) + = ( • 8)

By formula: (Cl^- • 7C₂H₆O) + C₂H₆O = (Cl^- • 8C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.2 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.2	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 8) + = ( • 9)

By formula: (Cl^- • 8C₂H₆O) + C₂H₆O = (Cl^- • 9C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.0 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.	cal/mol*K	N/A	Hiraoka and Mizuse, 1987	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.5 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B

( Chlorine anion • 9) + = ( • 10)

By formula: (Cl^- • 9C₂H₆O) + C₂H₆O = (Cl^- • 10C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.9 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.	cal/mol*K	N/A	Hiraoka and Mizuse, 1987	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.4 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B

Chlorine anion + = C₂H₆ClO^-

By formula: Cl^- + C₂H₆O = C₂H₆ClO^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.50 ± 0.40	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.9 ± 1.0	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₂H₆O₂ = (Cl^- • C₂H₆O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	25.3 ± 1.0	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	16.6 ± 1.0	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₂H₆O₂) + C₂H₆O₂ = (Cl^- • 2C₂H₆O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.9 ± 1.2	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.3 ± 1.0	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₃F₆O = (Cl^- • C₃F₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	28.8 ± 1.0	kcal/mol	TDAs	Bofdanov and McMahon, 2002	gas phase; B
Δ_rH°	22.9 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17.6 ± 1.0	kcal/mol	TDAs	Bofdanov and McMahon, 2002	gas phase; B
Δ_rG°	16.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Δ_rG°	16.3	kcal/mol	ICR	Larson and McMahon, 1984, 3	gas phase; switching reaction(Cl-)(C2H5)3B; M

Chlorine anion + = C₃ClF₆^-

By formula: Cl^- + C₃F₆ = C₃ClF₆^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.60 ± 0.30	kcal/mol	TDAs	Hiraoka, Takao, et al., 2002	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.15 ± 0.30	kcal/mol	TDAs	Hiraoka, Takao, et al., 2002	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₃HF₅O = (Cl^- • C₃HF₅O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	26.1 ± 1.0	kcal/mol	TDAs	Bofdanov and McMahon, 2002	gas phase; B
Δ_rH°	23.4	kcal/mol	ICR	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.9	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17.2 ± 1.0	kcal/mol	TDAs	Bofdanov and McMahon, 2002	gas phase; B
Δ_rG°	16.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984, 3	gas phase; B,M,M

Chlorine anion + = ( • )

By formula: Cl^- + C₃H₂F₄O = (Cl^- • C₃H₂F₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	18.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984, 3	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₃H₂F₆O = (Cl^- • C₃H₂F₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	26.5	kcal/mol	ICR	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)(CF3)2CH3COH, Entropy change calculated or estimated, DG>, Δ_rH>; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.0	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)(CF3)2CH3COH, Entropy change calculated or estimated, DG>, Δ_rH>; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	19.0	kcal/mol	ICR	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)(CF3)2CH3COH, Entropy change calculated or estimated, DG>, Δ_rH>; Larson and McMahon, 1984, 2; M

Chlorine anion + C₃H₃F₃O^- = C₂H₃ClF₃O^-

By formula: Cl^- + C₃H₃F₃O^- = C₂H₃ClF₃O^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.60 ± 0.40	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.7 ± 1.0	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B

Chlorine anion + = C₃H₃ClF₃O^-

By formula: Cl^- + C₃H₃F₃O = C₃H₃ClF₃O^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.7 ± 1.0	kcal/mol	TDAs	Bofdanov and McMahon, 2002	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.2 ± 1.0	kcal/mol	TDAs	Bofdanov and McMahon, 2002	gas phase; B

Chlorine anion + = C₃H₅ClFO^-

By formula: Cl^- + C₃H₅FO = C₃H₅ClFO^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	18.4 ± 1.0	kcal/mol	TDAs	Bofdanov and McMahon, 2002	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.1 ± 1.0	kcal/mol	TDAs	Bofdanov and McMahon, 2002	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₃H₆F₂O = (Cl^- • C₃H₆F₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	23.6	kcal/mol	ICR	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CH3COOH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.0	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CH3COOH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	16.1	kcal/mol	ICR	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CH3COOH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M

Chlorine anion + = ( • )

By formula: Cl^- + C₃H₆O = (Cl^- • C₃H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14. ± 2.	kcal/mol	AVG	N/A	Average of 6 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	18.2	cal/mol*K	PHPMS	Sieck, 1985	gas phase; M
Δ_rS°	19.6	cal/mol*K	PHPMS	French, Ikuta, et al., 1982	gas phase; M
Δ_rS°	17.1	cal/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Δ_rS°	19.7	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.08 ± 0.20	kcal/mol	TDAs	Bofdanov and McMahon, 2002	gas phase; B
Δ_rG°	7.30	kcal/mol	TDAs	Hiraoka, Morise, et al., 1986	gas phase; B
Δ_rG°	8.80 ± 0.30	kcal/mol	TDAs	Sieck, 1985	gas phase; B
Δ_rG°	8.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rG°	7.9 ± 2.0	kcal/mol	TDAs	French, Ikuta, et al., 1982	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₃H₆O) + C₃H₆O = (Cl^- • 2C₃H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.5 ± 1.0	kcal/mol	TDAs	Hiraoka, Takimoto, et al., 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.3	cal/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.4 ± 2.2	kcal/mol	TDAs	Hiraoka, Takimoto, et al., 1986	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2C₃H₆O) + C₃H₆O = (Cl^- • 3C₃H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.4 ± 2.0	kcal/mol	TDAs	Hiraoka, Takimoto, et al., 1986	gas phase; Entropy estimated; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.	cal/mol*K	N/A	Hiraoka, Takimoto, et al., 1986	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.8 ± 4.5	kcal/mol	TDAs	Hiraoka, Takimoto, et al., 1986	gas phase; Entropy estimated; B

Chlorine anion + = ( • )

By formula: Cl^- + C₃H₇Br = (Cl^- • C₃H₇Br)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.2 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.52 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₃H₇Br = (Cl^- • C₃H₇Br)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.2 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.24 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₃H₇Cl = (Cl^- • C₃H₇Cl)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.7 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.80 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₃H₈O = (Cl^- • C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	19.40 ± 0.20	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	18.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Δ_rH°	17.6 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	24.7	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	23.2	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.32	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	10.90	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	10.7 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₃H₈O) + C₃H₈O = (Cl^- • 2C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.70 ± 0.30	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	15.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.0	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.67	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	8.1 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2C₃H₈O) + C₃H₈O = (Cl^- • 3C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.90 ± 0.50	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	12.5 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	26.1	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.30	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	4.7 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3C₃H₈O) + C₃H₈O = (Cl^- • 4C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.9 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	28.7	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4C₃H₈O) + C₃H₈O = (Cl^- • 5C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	30.5	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.4 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 5) + = ( • 6)

By formula: (Cl^- • 5C₃H₈O) + C₃H₈O = (Cl^- • 6C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	31.1	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.0 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 6) + = ( • 7)

By formula: (Cl^- • 6C₃H₈O) + C₃H₈O = (Cl^- • 7C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.1 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	31.3	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.7 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 7) + = ( • 8)

By formula: (Cl^- • 7C₃H₈O) + C₃H₈O = (Cl^- • 8C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.9 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	31.	cal/mol*K	N/A	Hiraoka and Mizuse, 1987	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B

Chlorine anion + = ( • )

By formula: Cl^- + C₃H₈O = (Cl^- • C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	20.40 ± 0.50	kcal/mol	TDAs	Hiraoka, 1987	gas phase; B,B,M
Δ_rH°	17.7 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	29.0	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	23.2	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.70	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	11.7 ± 2.0	kcal/mol	TDAs	Hiraoka, 1987	gas phase; B
Δ_rG°	10.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₃H₈O) + C₃H₈O = (Cl^- • 2C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.4	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.2 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2C₃H₈O) + C₃H₈O = (Cl^- • 3C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.2 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	31.2	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3C₃H₈O) + C₃H₈O = (Cl^- • 4C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	32.1	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.7 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4C₃H₈O) + C₃H₈O = (Cl^- • 5C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	32.9	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.7 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 5) + = ( • 6)

By formula: (Cl^- • 5C₃H₈O) + C₃H₈O = (Cl^- • 6C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	31.0	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 6) + = ( • 7)

By formula: (Cl^- • 6C₃H₈O) + C₃H₈O = (Cl^- • 7C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.0 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	30.2	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.9 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 7) + = ( • 8)

By formula: (Cl^- • 7C₃H₈O) + C₃H₈O = (Cl^- • 8C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	30.	cal/mol*K	N/A	Hiraoka and Mizuse, 1987	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B

Chlorine anion + C₃H₉ClGe = C₃H₉Cl₂Ge^-

By formula: Cl^- + C₃H₉ClGe = C₃H₉Cl₂Ge^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	22.2 ± 1.4	kcal/mol	CIDT	Hao, Kaspar, et al., 2005	gas phase; B

Chlorine anion + = C₃H₉Cl₂Si^-

By formula: Cl^- + C₃H₉ClSi = C₃H₉Cl₂Si^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.3 ± 1.4	kcal/mol	CIDT	Hao, Kaspar, et al., 2005	gas phase; B

Chlorine anion + = C₃H₉Cl₂Sn^-

By formula: Cl^- + C₃H₉ClSn = C₃H₉Cl₂Sn^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	31.3 ± 1.7	kcal/mol	CIDT	Hao, Kaspar, et al., 2005	gas phase; B

Chlorine anion + C₄H₄F₆O = ( • C₄H₄F₆O)

By formula: Cl^- + C₄H₄F₆O = (Cl^- • C₄H₄F₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	26.5	kcal/mol	ICR	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)HCOOH, Entropy change calculated or estimated, DG>, Δ_rH>; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.0	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)HCOOH, Entropy change calculated or estimated, DG>, Δ_rH>; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	19.0	kcal/mol	ICR	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)HCOOH, Entropy change calculated or estimated, DG>, Δ_rH>; Larson and McMahon, 1984, 2; M

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₅N = (Cl^- • C₄H₅N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	18.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B
Δ_rG°	14.00	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
11.6	421.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₆O₂ = (Cl^- • C₄H₆O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	28.9 ± 1.1	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	18.0 ± 1.0	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₄H₆O₂) + C₄H₆O₂ = (Cl^- • 2C₄H₆O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	22.30 ± 0.70	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.9 ± 1.0	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₈O = (Cl^- • C₄H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.0	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)(CH3)2CO, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₈O₂ = (Cl^- • C₄H₈O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	32.9 ± 1.5	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	19.7 ± 1.0	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₄H₈O₂) + C₄H₈O₂ = (Cl^- • 2C₄H₈O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	22.90 ± 0.40	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.7 ± 1.0	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₉Br = (Cl^- • C₄H₉Br)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.7 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.90 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₉Cl = (Cl^- • C₄H₉Cl)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.6 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Δ_rH°	14.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.2	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)t-C4H9F, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.30 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Δ_rG°	8.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₉F = (Cl^- • C₄H₉F)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.8	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = C₄H₁₀ClO^-

By formula: Cl^- + C₄H₁₀O = C₄H₁₀ClO^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.00 ± 0.40	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.3 ± 1.0	kcal/mol	TDAs	Bogdanov, Lee, et al., 2001	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₁₀O = (Cl^- • C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.6 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.2	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CH3OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.7 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₁₀O = (Cl^- • C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	19. ± 4.	kcal/mol	AVG	N/A	Average of 6 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	27.4	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	24.0	cal/mol*K	PHPMS	Sieck, 1985	gas phase; M
Δ_rS°	23.4	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	27.	cal/mol*K	PHPMS	Kebarle, 1977	gas phase; M
Δ_rS°	10.3	cal/mol*K	N/A	Yamdagni and Kebarle, 1971	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.58	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	12.30 ± 0.30	kcal/mol	TDAs	Sieck, 1985	gas phase; B
Δ_rG°	11.60	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	11.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rG°	11.1 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₄H₁₀O) + C₄H₁₀O = (Cl^- • 2C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.90 ± 0.20	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	14.9 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.8	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.36	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	7.2 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2C₄H₁₀O) + C₄H₁₀O = (Cl^- • 3C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.80 ± 0.30	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	13.7 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	31.0	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.07	kcal/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	4.4 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3C₄H₁₀O) + C₄H₁₀O = (Cl^- • 4C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.7 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	31.3	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.3 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4C₄H₁₀O) + C₄H₁₀O = (Cl^- • 5C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.9 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	32.3	cal/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.2 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 5) + = ( • 6)

By formula: (Cl^- • 5C₄H₁₀O) + C₄H₁₀O = (Cl^- • 6C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.4 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	32.	cal/mol*K	N/A	Hiraoka and Mizuse, 1987	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B

Chlorine anion + = ( • )

By formula: Cl^- + C₄H₁₀O₂ = (Cl^- • C₄H₁₀O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	30.2 ± 1.7	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17.5 ± 1.0	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₄H₁₀O₂) + C₄H₁₀O₂ = (Cl^- • 2C₄H₁₀O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	21.20 ± 0.80	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.6 ± 1.0	kcal/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

Chlorine anion + = C₅ClF₈^-

By formula: Cl^- + C₅F₈ = C₅ClF₈^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.80 ± 0.20	kcal/mol	TDAs	Hiraoka, Fujita, et al., 1905	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.14 ± 0.20	kcal/mol	TDAs	Hiraoka, Fujita, et al., 1905	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₅FeO₅ = (Cl^- • C₅FeO₅)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.9 ± 3.0	kcal/mol	IMRB	Lane, Sallans, et al., 1985	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.9 ± 3.0	kcal/mol	IMRB	Lane, Sallans, et al., 1985	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₅H₅N = (Cl^- • C₅H₅N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.7 ± 2.0	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988, 2	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.7	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988, 2	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.8 ± 2.6	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988, 2	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₅H₅N) + C₅H₅N = (Cl^- • 2C₅H₅N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.7	kcal/mol	PHPMS	Hiraoka, Mizuse, et al., 1988, 2	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.6	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988, 2	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₅H₆ = (Cl^- • C₅H₆)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	<2.50	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
2.5	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; DG<; M

Chlorine anion + = ( • )

By formula: Cl^- + C₅H₈O₂ = (Cl^- • C₅H₈O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	13.40	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
11.0	421.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₅H₈ = (Cl^- • C₅H₈)

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
3.7	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₅H₈ = (Cl^- • C₅H₈)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.70	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₅H₉N = (Cl^- • C₅H₉N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	18.5 ± 1.0	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11.05 ± 0.20	kcal/mol	TDAs	Li, Ross, et al., 1996	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₅H₁₀O = (Cl^- • C₅H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.6	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)(CH3)2CO, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₅H₁₀O = (Cl^- • C₅H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.9	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.4 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₆F₄O₂ = (Cl^- • C₆F₄O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	27.0 ± 1.0	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.7	cal/mol*K	PHPMS	Chowdhury and Kebarle, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	20.2 ± 1.6	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₆F₆ = (Cl^- • C₆F₆)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.8 ± 1.0	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B,M
Δ_rH°	15.5 ± 1.0	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1987, 2	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.5	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1987, 2	gas phase; M
Δ_rS°	26.9	cal/mol*K	PHPMS	Chowdhury and Kebarle, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.8 ± 1.6	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B
Δ_rG°	8.7 ± 1.6	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1987, 2	gas phase; B

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₆F₆) + C₆F₆ = (Cl^- • 2C₆F₆)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.8	kcal/mol	PHPMS	Hiraoka, Mizuse, et al., 1987, 2	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	26.3	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1987, 2	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₄FNO₂ = (Cl^- • C₆H₄FNO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	18.7 ± 1.0	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.2	cal/mol*K	PHPMS	Chowdhury and Kebarle, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	12.3 ± 1.6	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₄F₂ = (Cl^- • C₆H₄F₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.6	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)ClCOOCH3, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₄F₂ = (Cl^- • C₆H₄F₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.6 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.6	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)ClCOOCH3, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rG°	7.7 ± 1.0	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₄F₂ = (Cl^- • C₆H₄F₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.6	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)ClCOOCH3, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₅Br = (Cl^- • C₆H₅Br)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.80	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₅ClO = (Cl^- • C₆H₅ClO)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	29.6 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M
Δ_rH°	30.1	kcal/mol	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.	cal/mol*K	N/A	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Δ_rS°	26.3	cal/mol*K	N/A	Cummings, French, et al., 1977	gas phase; switching reaction(Cl-)C6H5OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	22.1 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
19.5	423.	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
21.0	300.	PHPMS	Cummings, French, et al., 1977	gas phase; switching reaction(Cl-)C6H5OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₅Cl = (Cl^- • C₆H₅Cl)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.00 ± 0.10	kcal/mol	TDAs	Sieck, 1985	gas phase; B,M
Δ_rH°	13.6 ± 1.0	kcal/mol	IMRE	Larson and McMahon, 1984, 2	gas phase; B,B,M
Δ_rH°	12.6	kcal/mol	PHPMS	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.	cal/mol*K	N/A	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Δ_rS°	16.5	cal/mol*K	PHPMS	Sieck, 1985	gas phase; M
Δ_rS°	22.4	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.10 ± 0.20	kcal/mol	TDAs	Sieck, 1985	gas phase; B
Δ_rG°	6.9 ± 1.0	kcal/mol	IMRE	Larson and McMahon, 1984, 2	gas phase; B,B,M
Δ_rG°	6.50	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
6.6	300.	PHPMS	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
6.5	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₅FO = (Cl^- • C₆H₅FO)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	27.9 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M
Δ_rH°	28.6	kcal/mol	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.	cal/mol*K	N/A	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Δ_rS°	25.3	cal/mol*K	N/A	Cummings, French, et al., 1977	gas phase; switching reaction(Cl-)C6H5OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	20.6 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
18.0	423.	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
19.3	300.	PHPMS	Cummings, French, et al., 1977	gas phase; switching reaction(Cl-)C6H5OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₅F = (Cl^- • C₆H₅F)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.90	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
5.9	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₅I = (Cl^- • C₆H₅I)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.20	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
7.2	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₅NO₂ = (Cl^- • C₆H₅NO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.3 ± 1.0	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B,M
Δ_rH°	16.5	kcal/mol	PHPMS	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.	cal/mol*K	N/A	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Δ_rS°	19.4	cal/mol*K	PHPMS	Chowdhury and Kebarle, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.5 ± 1.6	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B
Δ_rG°	7.10	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
10.5	300.	PHPMS	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
7.7	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₆O = (Cl^- • C₆H₆O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	26.0 ± 2.0	kcal/mol	TDAs	French, Ikuta, et al., 1982	gas phase; B,M
Δ_rH°	26.0 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B
Δ_rH°	27.4	kcal/mol	PHPMS	Kebarle, 1977	gas phase; M
Δ_rH°	26.5	kcal/mol	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Δ_rH°	19.4 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	26.0	cal/mol*K	PHPMS	French, Ikuta, et al., 1982	gas phase; M
Δ_rS°	25.	cal/mol*K	PHPMS	Kebarle, 1977	gas phase; M
Δ_rS°	25.	cal/mol*K	N/A	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Δ_rS°	15.5	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1971	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	19.2 ± 2.0	kcal/mol	TDAs	French, Ikuta, et al., 1982	gas phase; B
Δ_rG°	18.5 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B
Δ_rG°	14.8 ± 2.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1971	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
15.9	423.	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₆ = (Cl^- • C₆H₆)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	6.00 ± 0.46	kcal/mol	N/A	Tschurl, Ueberfluss, et al., 2007	gas phase; B
Δ_rH°	9.4 ± 2.0	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988, 2	gas phase; B,M
Δ_rH°	9.90	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rH°	8.7	kcal/mol	PHPMS	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Δ_rH°	10.4	kcal/mol	PHPMS	Sunner, Nishizawa, et al., 1981	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	17.9	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988, 2	gas phase; M
Δ_rS°	17.	cal/mol*K	N/A	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Δ_rS°	17.1	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	22.	cal/mol*K	N/A	Sunner, Nishizawa, et al., 1981	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.0 ± 2.6	kcal/mol	TDAs	Hiraoka, Mizuse, et al., 1988, 2	gas phase; B
Δ_rG°	3.8 ± 1.6	kcal/mol	IMRE	Chowdhury and Kebarle, 1986	gas phase; B
Δ_rG°	4.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rG°	3.80	kcal/mol	IMRE	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
3.6	300.	PHPMS	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
3.8	300.	PHPMS	Chowdhury and Kebarle, 1986	gas phase; M
3.8	300.	PHPMS	Sunner, Nishizawa, et al., 1981	gas phase; Entropy change calculated or estimated; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₁₁NO₃ = (Cl^- • C₆H₁₁NO₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	29.4	kcal/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Δ_rH°	29.4	kcal/mol	PHPMS	Meot-ner, 1988	gas phase; CH3CO-Ala-OCH3; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	28.3	cal/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Δ_rS°	28.3	cal/mol*K	PHPMS	Meot-ner, 1988	gas phase; CH3CO-Ala-OCH3; M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • C₆H₁₁NO₃) + C₆H₁₁NO₃ = (Cl^- • 2C₆H₁₁NO₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	19.8	kcal/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Δ_rH°	19.8	kcal/mol	PHPMS	Meot-ner, 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	27.0	cal/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Δ_rS°	27.0	cal/mol*K	PHPMS	Meot-ner, 1988	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₁₁NO₃ = (Cl^- • C₆H₁₁NO₃)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	29.4 ± 1.0	kcal/mol	TDAs	Meot-ner, 1988	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	20.9 ± 1.0	kcal/mol	TDAs	Meot-ner, 1988	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₆H₁₅B = (Cl^- • C₆H₁₅B)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	23.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Δ_rH°	23.8	kcal/mol	ICR	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M
Δ_rS°	22.0	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Δ_rG°	17.2	kcal/mol	ICR	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + = ( • )

By formula: Cl^- + C₇F₅N = (Cl^- • C₇F₅N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.9	cal/mol*K	PHPMS	Chowdhury and Kebarle, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	13.5 ± 1.6	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₇F₁₄ = (Cl^- • C₇F₁₄)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	<1.80	kcal/mol	IMRB	Chowdhury and Kebarle, 1986	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
1.8	300.	PHPMS	Chowdhury and Kebarle, 1986	gas phase; DG<; M

Chlorine anion + = ( • )

By formula: Cl^- + C₇H₄F₃NO₂ = (Cl^- • C₇H₄F₃NO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	19.5 ± 1.0	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	17.9	cal/mol*K	PHPMS	Chowdhury and Kebarle, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	14.1 ± 1.6	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₇H₄N₂O₂ = (Cl^- • C₇H₄N₂O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	20.0 ± 1.0	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.0	cal/mol*K	PHPMS	Chowdhury and Kebarle, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	14.0 ± 1.6	kcal/mol	TDAs	Chowdhury and Kebarle, 1986	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + C₇H₅NO = (Cl^- • C₇H₅NO)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	35.1 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M,M
Δ_rH°	35.3	kcal/mol	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.	cal/mol*K	N/A	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Δ_rS°	28.	cal/mol*K	N/A	Cummings, French, et al., 1977	gas phase; switching reaction(Cl-)4-Cl-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	26.	cal/mol*K	N/A	Cummings, French, et al., 1977	gas phase; switching reaction(Cl-)4-F-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	27.3 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
24.7	423.	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
26.2	300.	PHPMS	Cummings, French, et al., 1977	gas phase; switching reaction(Cl-)4-Cl-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
25.8	300.	PHPMS	Cummings, French, et al., 1977	gas phase; switching reaction(Cl-)4-F-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + = ( • )

By formula: Cl^- + C₇H₅N = (Cl^- • C₇H₅N)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.0	kcal/mol	PHPMS	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.	cal/mol*K	N/A	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
10.0	300.	PHPMS	Paul and Kebarle, 1991	gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M

Chlorine anion + = ( • )

By formula: Cl^- + C₇H₇NO₂ = (Cl^- • C₇H₇NO₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.50	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
7.5	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₇H₈O = (Cl^- • C₇H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.30	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
7.3	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₇H₈O = (Cl^- • C₇H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	25.6 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M
Δ_rH°	25.9	kcal/mol	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	25.	cal/mol*K	N/A	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
Δ_rS°	26.7	cal/mol*K	PHPMS	Cummings, French, et al., 1977	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17.9 ± 2.0	kcal/mol	TDEq	Cummings, French, et al., 1977	gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
15.3	423.	PHPMS	Paul and Kebarle, 1990	gas phase; Entropy change calculated or estimated; M
16.6	300.	PHPMS	Cummings, French, et al., 1977	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₇H₈ = (Cl^- • C₇H₈)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.00	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
4.0	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₈H₈O = (Cl^- • C₈H₈O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.50	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
7.1	421.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₈H₁₀ = (Cl^- • C₈H₁₀)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.00	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
5.0	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₈H₁₀ = (Cl^- • C₈H₁₀)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.90	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
3.9	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₈H₁₀ = (Cl^- • C₈H₁₀)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.90	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
4.4	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₉H₁₀O = (Cl^- • C₉H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.70	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
8.3	421.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₉H₁₂ = (Cl^- • C₉H₁₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.50	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
5.0	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₉H₁₂ = (Cl^- • C₉H₁₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.00	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
5.5	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₉H₁₂ = (Cl^- • C₉H₁₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.50	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
4.5	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₁₃H₁₂ = (Cl^- • C₁₃H₁₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.40	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
7.4	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + C₁₉H₁₆ = (Cl^- • C₁₉H₁₆)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.10	kcal/mol	TDEq	French, Ikuta, et al., 1982	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
4.1	300.	PHPMS	French, Ikuta, et al., 1982	gas phase; M

Chlorine anion + = Cl₂F₂P^-

By formula: Cl^- + ClF₂P = Cl₂F₂P^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	23.66	kcal/mol	N/A	Check, Lobring, et al., 2003	gas phase; B

Chlorine anion + Cl₂Nd = ( • Cl₂Nd)

By formula: Cl^- + Cl₂Nd = (Cl^- • Cl₂Nd)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	65.5 ± 3.6	kcal/mol	TDAs	Kudin, Pogrebnoi, et al., 1993	gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + = Cl₃OS^-

By formula: Cl^- + Cl₂OS = Cl₃OS^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	20.4 ± 1.8	kcal/mol	CIDT	Bachrach, Hayes, et al., 2001	gas phase; B

Chlorine anion + = Cl₃OSe^-

By formula: Cl^- + Cl₂OSe = Cl₃OSe^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	35.80	kcal/mol	N/A	Lobring, Hao, et al., 2003	gas phase; B

Chlorine anion + = Cl₃S^-

By formula: Cl^- + Cl₂S = Cl₃S^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	20.3 ± 1.9	kcal/mol	CIDT	Gailbreath, Pommerening, et al., 2000	gas phase; B

Chlorine anion + = Cl₃Se^-

By formula: Cl^- + Cl₂Se = Cl₃Se^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	31.8 ± 2.2	kcal/mol	CIDT	Lobring, Hao, et al., 2003	gas phase; B

Chlorine anion + Cl₂Yb = ( • Cl₂Yb)

By formula: Cl^- + Cl₂Yb = (Cl^- • Cl₂Yb)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	>56.40	kcal/mol	N/A	Kuznetsov, Kudin, et al., 1997	gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + = ( • )

By formula: Cl^- + Cl₂ = (Cl^- • Cl₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.0	kcal/mol	SAMS	Robbiani and Franklin, 1979	gas phase; based on Cl- + SO2Cl2 <--> Cl3- + SO2; National Bureau of Standards, 1968; M

Chlorine anion + = Cl₃^-

By formula: Cl^- + Cl₂ = Cl₃^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	23.7 ± 1.2	kcal/mol	CIDT	Nizzi, Pommerening, et al., 1998	gas phase; B
Δ_rH°	16.70	kcal/mol	Ther	Robbiani and Franklin, 1979, 2	gas phase; ΔG≈+1 kcal for Cl^- + SO₂Cl₂ <=> Cl₃^- + SO₂; B
Δ_rH°	<43.60	kcal/mol	PDis	Lee, Smith, et al., 1979	gas phase; B

Chlorine anion + Cl₃Er = Cl₄Er^-

By formula: Cl^- + Cl₃Er = Cl₄Er^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	82.2 ± 5.0	kcal/mol	TDEq	Kudin, Vorob'ev, et al., 2007	gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δ_rH°	78.1 ± 3.9	kcal/mol	TDAs	Pogrebnoi, Motalov, et al., 2002	gas phase; value altered from reference due to change in acidity scale; B

Chlorine anion + Cl₃Er = Cl₇Er₂^-

By formula: Cl^- + Cl₃Er = Cl₇Er₂^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	57.1 ± 8.8	kcal/mol	TDEq	Kudin, Vorob'ev, et al., 2007	gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δ_rH°	81.2 ± 8.9	kcal/mol	TDAs	Pogrebnoi, Motalov, et al., 2002	gas phase; value altered from reference due to change in acidity scale; B

Chlorine anion + Cl₃Er = Cl₁₀Er₃^-

By formula: Cl^- + Cl₃Er = Cl₁₀Er₃^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	80. ± 14.	kcal/mol	TDAs	Pogrebnoi, Motalov, et al., 2002	gas phase; value altered from reference due to change in acidity scale; B

Chlorine anion + = Cl₄FSi^-

By formula: Cl^- + Cl₃FSi = Cl₄FSi^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	27.5 ± 1.7	kcal/mol	CIDT	Hao, Kaspar, et al., 2005	gas phase; B

Chlorine anion + Cl₃La = ( • Cl₃La)

By formula: Cl^- + Cl₃La = (Cl^- • Cl₃La)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	79.4 ± 4.1	kcal/mol	TDEq	Kudin, Vorob'ev, et al., 2007	gas phase; value altered from reference due to conversion from electron convention to ion convention; B

( Chlorine anion • Cl₃La) + Cl₃La = ( • 2Cl₃La)

By formula: (Cl^- • Cl₃La) + Cl₃La = (Cl^- • 2Cl₃La)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	32.4 ± 3.5	kcal/mol	MS	Butman, Kudin, et al., 1987	gas phase; Knudsen cell; M

Chlorine anion + Cl₃Lu = ( • Cl₃Lu)

By formula: Cl^- + Cl₃Lu = (Cl^- • Cl₃Lu)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	71.0 ± 3.6	kcal/mol	TDAs	Pogrebnoi, Kudion, et al., 1997	gas phase; EA estimated as 3.7±1.0 eV; value altered from reference due to conversion from electron convention to ion convention; B
Δ_rH°	85.8 ± 2.4	kcal/mol	TDEq	Kudin, Vorob'ev, et al., 2007	gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + = Cl₄OP^-

By formula: Cl^- + Cl₃OP = Cl₄OP^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.3 ± 1.2	kcal/mol	CIDT	Check, Lobring, et al., 2003	gas phase; B

Chlorine anion + = Cl₄PS^-

By formula: Cl^- + Cl₃PS = Cl₄PS^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.80 ± 0.96	kcal/mol	CIDT	Check, Lobring, et al., 2003	gas phase; B

Chlorine anion + = Cl₄P^-

By formula: Cl^- + Cl₃P = Cl₄P^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	21.5 ± 1.7	kcal/mol	CIDT	Walker, Check, et al., 2002	gas phase; B

Chlorine anion + Cl₃Sb = Cl₄Sb^-

By formula: Cl^- + Cl₃Sb = Cl₄Sb^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	38.2 ± 1.9	kcal/mol	CIDT	Walker, Check, et al., 2002	gas phase; B

Chlorine anion + Cl₃Sm = Cl₄Sm^-

By formula: Cl^- + Cl₃Sm = Cl₄Sm^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	69.1 ± 3.8	kcal/mol	TDEq	Khasanshin, Pogrebnoi, et al., 1998	gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δ_rH°	86.5 ± 5.0	kcal/mol	TDEq	Kudin, Vorob'ev, et al., 2007	gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + Cl₃Tb = Cl₄Tb^-

By formula: Cl^- + Cl₃Tb = Cl₄Tb^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	84.4 ± 4.3	kcal/mol	TDEq	Kudin, Vorob'ev, et al., 2007	gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δ_rH°	72.7 ± 1.6	kcal/mol	TDEq	Khasanshin, Kudin, et al., 1999	gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + Cl₃Yb = ( • Cl₃Yb)

By formula: Cl^- + Cl₃Yb = (Cl^- • Cl₃Yb)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	74.3 ± 7.2	kcal/mol	TDAs	Kuznetsov, Kudin, et al., 1997	gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Δ_rH°	83.2 ± 4.5	kcal/mol	TDEq	Kudin, Vorob'ev, et al., 2007	gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + = Cl₅Ge^-

By formula: Cl^- + Cl₄Ge = Cl₅Ge^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	33.7 ± 1.4	kcal/mol	CIDT	Hao, Kaspar, et al., 2005	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + Cl₄Si = (Cl^- • Cl₄Si)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	25.1 ± 1.9	kcal/mol	CIDT	Hao, Kaspar, et al., 2005	gas phase; B
Δ_rH°	24.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17.6 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B

Chlorine anion + = Cl₅Sn^-

By formula: Cl^- + Cl₄Sn = Cl₅Sn^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	56.2 ± 1.9	kcal/mol	CIDT	Hao, Kaspar, et al., 2005	gas phase; B

Chlorine anion + Cl₄Th = ( • Cl₄Th)

By formula: Cl^- + Cl₄Th = (Cl^- • Cl₄Th)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	24.2	kcal/mol	ICR	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17.6	kcal/mol	ICR	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M

Chlorine anion + = ( • )

By formula: Cl^- + DCl = (Cl^- • DCl)

Bond type: Hydrogen bond (negative ion to hydride)

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
16.8	300.	ICR	Larson and McMahon, 1987	gas phase; switching reaction(Cl-)HCl; Caldwell and Kebarle, 1985; M

Chlorine anion + = ( • )

By formula: Cl^- + D₂O = (Cl^- • D₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.70 ± 0.20	kcal/mol	IMRE	Larson and McMahon, 1988	gas phase; Anchored to Keesee and Castleman, 19802: HOH..Cl- + DOD <=> DOD..Cl- + HOH, Keq=0.77; B

Chlorine anion + = ( • )

By formula: Cl^- + F₂OS = (Cl^- • F₂OS)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	10.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + F₃OP = (Cl^- • F₃OP)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.9 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.6 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + F₃P = (Cl^- • F₃P)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B
Δ_rH°	15.5	kcal/mol	ICR	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.0	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.2 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B
Δ_rG°	9.2	kcal/mol	ICR	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + = ( • )

By formula: Cl^- + F₄Si = (Cl^- • F₄Si)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	23.4 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.	cal/mol*K	N/A	Larson and McMahon, 1985	gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	16.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B,M

Chlorine anion + F₆S^- = ( • F₆S^-)

By formula: Cl^- + F₆S^- = (Cl^- • F₆S^-)

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
1.8	300.	PHPMS	Chowdhury and Kebarle, 1986	gas phase; DG<; M

Chlorine anion + = ( • )

By formula: Cl^- + F₆S = (Cl^- • F₆S)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	<1.80	kcal/mol	IMRB	Chowdhury and Kebarle, 1986	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + HCl = (Cl^- • HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	29.6 ± 1.0	kcal/mol	N/A	Metz, Kitsopoulos, et al., 1988	gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B
Δ_rH°	23.8 ± 2.0	kcal/mol	TDEq	Caldwell and Kebarle, 1985	gas phase; B,M
Δ_rH°	23.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rH°	23.70 ± 0.20	kcal/mol	TDAs	Yamdagni and Kebarle, 1974	gas phase; B,M
Δ_rH°	20.4	kcal/mol	HPMS	Upschulte, Evans, et al., 1986	gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.3	cal/mol*K	PHPMS	Caldwell and Kebarle, 1985	gas phase; switching reaction(Cl-)SO2; M
Δ_rS°	23.5	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1974	gas phase; M
Δ_rS°	23.5	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	22.8	cal/mol*K	N/A	Upschulte, Evans, et al., 1986	gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	16.3 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1987	gas phase; K = 0.60 for HCl..Cl- + DCL <=> DCl..Cl- + HCl, anchored to Larson and McMahon, 1984, 32; B
Δ_rG°	17.1 ± 2.6	kcal/mol	TDEq	Caldwell and Kebarle, 1985	gas phase; B
Δ_rG°	16.0 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Δ_rG°	16.70 ± 0.30	kcal/mol	TDAs	Yamdagni and Kebarle, 1974	gas phase; B
Δ_rG°	13.6	kcal/mol	HPMS	Upschulte, Evans, et al., 1986	gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980, 2; M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • HCl) + HCl = (Cl^- • 2HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15.20 ± 0.20	kcal/mol	TDAs	Yamdagni and Kebarle, 1974	gas phase; B,M
Δ_rH°	14.0	kcal/mol	PHPMS	Caldwell and Kebarle, 1985	gas phase; switching reaction(Cl- HCl)SO2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.4	cal/mol*K	PHPMS	Caldwell and Kebarle, 1985	gas phase; switching reaction(Cl- HCl)SO2; M
Δ_rS°	24.4	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.90 ± 0.20	kcal/mol	TDAs	Yamdagni and Kebarle, 1974	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2HCl) + HCl = (Cl^- • 3HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.70 ± 0.30	kcal/mol	TDAs	Yamdagni and Kebarle, 1974	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.4	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.70 ± 0.30	kcal/mol	TDAs	Yamdagni and Kebarle, 1974	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3HCl) + HCl = (Cl^- • 4HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.30 ± 0.70	kcal/mol	TDAs	Yamdagni and Kebarle, 1974	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	26.7	cal/mol*K	PHPMS	Yamdagni and Kebarle, 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.3 ± 1.0	kcal/mol	TDAs	Yamdagni and Kebarle, 1974	gas phase; B

( Chlorine anion • ) + = ( • • )

By formula: (Cl^- • HCl) + H₂O = (Cl^- • H₂O • HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.5	kcal/mol	HPMS	Upschulte, Evans, et al., 1986	gas phase; deuterated, quoted in Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	18.7	cal/mol*K	HPMS	Upschulte, Evans, et al., 1986	gas phase; deuterated, quoted in Keesee and Castleman, 1986; M

( Chlorine anion • 2) + = ( • • 2)

By formula: (Cl^- • 2HCl) + H₂O = (Cl^- • H₂O • 2HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	7.6	kcal/mol	HPMS	Upschulte, Evans, et al., 1986	gas phase; deuterated, quoted in Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	15.2	cal/mol*K	HPMS	Upschulte, Evans, et al., 1986	gas phase; deuterated, quoted in Keesee and Castleman, 1986; M

( Chlorine anion • • ) + = ( • 2 • )

By formula: (Cl^- • HCl • H₂O) + HCl = (Cl^- • 2HCl • H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.3	kcal/mol	HPMS	Upschulte, Evans, et al., 1986	gas phase; From thermochemical cycle,switching reaction(Cl- H2O) HCl, deuterated; Yamdagni and Kebarle, 1974; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.9	cal/mol*K	HPMS	Upschulte, Evans, et al., 1986	gas phase; From thermochemical cycle,switching reaction(Cl- H2O) HCl, deuterated; Yamdagni and Kebarle, 1974; M

( Chlorine anion • ) + = ( • • )

By formula: (Cl^- • HCl) + O₂S = (Cl^- • O₂S • HCl)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.3	kcal/mol	PHPMS	Caldwell and Kebarle, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	18.5	cal/mol*K	PHPMS	Caldwell and Kebarle, 1985	gas phase; M

Chlorine anion + = ( • )

By formula: Cl^- + HF = (Cl^- • HF)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	21.8 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.5	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)SO2, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	15.1 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + H₂O = (Cl^- • H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	15. ± 5.	kcal/mol	AVG	N/A	Average of 11 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19. ± 3.	cal/mol*K	AVG	N/A	Average of 8 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9. ± 4.	kcal/mol	AVG	N/A	Average of 9 values; Individual data points

( Chlorine anion • ) + = ( • • )

By formula: (Cl^- • H₂O) + CH₄O = (Cl^- • CH₄O • H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.2	kcal/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.9	cal/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( Chlorine anion • 2) + = ( • • 2)

By formula: (Cl^- • 2H₂O) + CH₄O = (Cl^- • CH₄O • 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.4	kcal/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	18.1	cal/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( Chlorine anion • • ) + = ( • 2 • )

By formula: (Cl^- • H₂O • CH₄O) + H₂O = (Cl^- • 2H₂O • CH₄O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.4	kcal/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	15.5	cal/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( Chlorine anion • ) + = ( • • )

By formula: (Cl^- • H₂O) + HCl = (Cl^- • HCl • H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	16.0	kcal/mol	HPMS	Upschulte, Evans, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.8	cal/mol*K	HPMS	Upschulte, Evans, et al., 1986	gas phase; M

( Chlorine anion • 2) + = ( • • 2)

By formula: (Cl^- • 2H₂O) + HCl = (Cl^- • HCl • 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.0	kcal/mol	HPMS	Upschulte, Evans, et al., 1986	gas phase; From thermochemical cycle(Cl- 2H2O)H2O, deuterated; Keesee and Castleman, 1980, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.7	cal/mol*K	HPMS	Upschulte, Evans, et al., 1986	gas phase; From thermochemical cycle(Cl- 2H2O)H2O, deuterated; Keesee and Castleman, 1980, 2; M

( Chlorine anion • • ) + = ( • 2 • )

By formula: (Cl^- • H₂O • HCl) + H₂O = (Cl^- • 2H₂O • HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.6	kcal/mol	HPMS	Upschulte, Evans, et al., 1986	gas phase; deuterated, quoted in 86 KEE/CAS; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.4	cal/mol*K	HPMS	Upschulte, Evans, et al., 1986	gas phase; deuterated, quoted in 86 KEE/CAS; M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • H₂O) + H₂O = (Cl^- • 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13. ± 1.	kcal/mol	AVG	N/A	Average of 7 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.4	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Δ_rS°	20.5	cal/mol*K	HPMS	Keesee and Castleman, 1980, 2	gas phase; M
Δ_rS°	20.8	cal/mol*K	HPMS	Arshadi, Yamdagni, et al., 1970	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	6.50	kcal/mol	TDAs	Keesee and Castleman, 1980, 2	gas phase; B
Δ_rG°	6.5 ± 1.4	kcal/mol	TDAs	Payzant, Yamdagni, et al., 1971	gas phase; B
Δ_rG°	6.50	kcal/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B
Δ_rG°	6.7	kcal/mol	FA	Fehsenfeld and Ferguson, 1974	gas phase; M

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2H₂O) + H₂O = (Cl^- • 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12. ± 2.	kcal/mol	AVG	N/A	Average of 7 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.3	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Δ_rS°	22.4	cal/mol*K	HPMS	Keesee and Castleman, 1980, 2	gas phase; M
Δ_rS°	23.2	cal/mol*K	HPMS	Arshadi, Yamdagni, et al., 1970	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.0 ± 0.5	kcal/mol	AVG	N/A	Average of 6 values; Individual data points

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3H₂O) + H₂O = (Cl^- • 4H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.6 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rH°	9.70	kcal/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
Δ_rH°	10.6 ± 0.3	kcal/mol	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Δ_rH°	10.90 ± 0.70	kcal/mol	TDAs	Keesee and Castleman, 1980, 2	gas phase; B,M
Δ_rH°	11.1 ± 1.0	kcal/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.7	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Δ_rS°	24.8	cal/mol*K	HPMS	Keesee and Castleman, 1980, 2	gas phase; M
Δ_rS°	25.8	cal/mol*K	HPMS	Arshadi, Yamdagni, et al., 1970	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	3.50	kcal/mol	TDAs	Keesee and Castleman, 1980, 2	gas phase; B
Δ_rG°	3.40	kcal/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B
Δ_rG°	4.0 ± 2.0	kcal/mol	TDAs	Kebarle, Arshadi, et al., 1968	gas phase; B,M

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4H₂O) + H₂O = (Cl^- • 5H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.5 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rH°	6.70	kcal/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
Δ_rH°	9.5 ± 0.3	kcal/mol	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.7	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.0 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	2.9 ± 2.0	kcal/mol	TDAs	Kebarle, Arshadi, et al., 1968	gas phase; B,M

( Chlorine anion • 5) + = ( • 6)

By formula: (Cl^- • 5H₂O) + H₂O = (Cl^- • 6H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.8 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rH°	8.50	kcal/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
Δ_rH°	8.8 ± 0.4	kcal/mol	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.2	cal/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.4 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( Chlorine anion • 6) + = ( • 7)

By formula: (Cl^- • 6H₂O) + H₂O = (Cl^- • 7H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.1 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B
Δ_rH°	6.90	kcal/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
Δ_rH°	8.1	kcal/mol	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.	cal/mol*K	N/A	Hiraoka, Mizuse, et al., 1988	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	2.1 ± 1.0	kcal/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B

( Chlorine anion • ) + = ( • • )

By formula: (Cl^- • H₂O) + O₂S = (Cl^- • O₂S • H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	17.4	kcal/mol	HPMS	Upschulte, Schelling, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.2	cal/mol*K	HPMS	Upschulte, Schelling, et al., 1984	gas phase; M

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
11.5	296.	HPMS	Fehsenfeld and Ferguson, 1974	gas phase; switching reaction(Cl- H2O)H2O; M

( Chlorine anion • 2) + = ( • • 2)

By formula: (Cl^- • 2H₂O) + O₂S = (Cl^- • O₂S • 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.1	kcal/mol	HPMS	Upschulte, Schelling, et al., 1984	gas phase; From thermochemical cycle; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.4	cal/mol*K	HPMS	Upschulte, Schelling, et al., 1984	gas phase; From thermochemical cycle; M

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
8.4	296.	HPMS	Upschulte, Schelling, et al., 1984	gas phase; From thermochemical cycle; M

( Chlorine anion • • ) + = ( • 2 • )

By formula: (Cl^- • H₂O • O₂S) + H₂O = (Cl^- • 2H₂O • O₂S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.30	kcal/mol	TDAs	Upschulte, Schelling, et al., 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.7	cal/mol*K	HPMS	Upschulte, Schelling, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.40	kcal/mol	TDAs	Upschulte, Schelling, et al., 1984	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + H₂O₂ = (Cl^- • H₂O₂)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	22.1 ± 1.0	kcal/mol	TDEq	Bohringer, Fahey, et al., 1984	gas phase; Relative to HOH..Cl^-, Keesee, Lee, et al., 1980; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	15.6 ± 1.0	kcal/mol	TDEq	Bohringer, Fahey, et al., 1984	gas phase; Relative to HOH..Cl^-, Keesee, Lee, et al., 1980; B

Chlorine anion + = ( • )

By formula: Cl^- + H₃N = (Cl^- • H₃N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	<7.30 ± 0.40	kcal/mol	N/A	Tschurl and Boesl, 2008	gas phase; B
Δ_rH°	8.20 ± 0.10	kcal/mol	TDAs	Evans, Keesee, et al., 1987	gas phase; B,M
Δ_rH°	8.9 ± 1.2	kcal/mol	N/A	Markovich, Chesnovsky, et al., 1993	gas phase; B
Δ_rH°	10.5 ± 4.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	15.4	cal/mol*K	HPMS	Evans, Keesee, et al., 1987	gas phase; M
Δ_rS°	19.9	cal/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)CH3F, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.60 ± 0.20	kcal/mol	TDAs	Evans, Keesee, et al., 1987	gas phase; B
Δ_rG°	4.5 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1984	gas phase; B,M

Chlorine anion + = ( • )

By formula: Cl^- + Kr = (Cl^- • Kr)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	2.20 ± 0.10	kcal/mol	LPES	Yourshaw, Lenzer, et al., 1998	gas phase; Given: 0.0957(0.001) eV; B
Δ_rH°	2.80 ± 0.40	kcal/mol	TDAs	Wada, Kikkawa, et al., 2007	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	-2.86 ± 0.40	kcal/mol	TDAs	Wada, Kikkawa, et al., 2007	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + N₂O = (Cl^- • N₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	5.8 ± 0.3	kcal/mol	PHPMS	Hiraoka, Aruga, et al., 1993	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.2	cal/mol*K	PHPMS	Hiraoka, Aruga, et al., 1993	gas phase; M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • N₂O) + N₂O = (Cl^- • 2N₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	5.6 ± 0.3	kcal/mol	PHPMS	Hiraoka, Aruga, et al., 1993	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.5	cal/mol*K	PHPMS	Hiraoka, Aruga, et al., 1993	gas phase; M

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2N₂O) + N₂O = (Cl^- • 3N₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	5.1 ± 0.3	kcal/mol	PHPMS	Hiraoka, Aruga, et al., 1993	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.0	cal/mol*K	PHPMS	Hiraoka, Aruga, et al., 1993	gas phase; M

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3N₂O) + N₂O = (Cl^- • 4N₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	4.9 ± 0.3	kcal/mol	PHPMS	Hiraoka, Aruga, et al., 1993	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.9	cal/mol*K	PHPMS	Hiraoka, Aruga, et al., 1993	gas phase; M

( Chlorine anion • 4) + = ( • 5)

By formula: (Cl^- • 4N₂O) + N₂O = (Cl^- • 5N₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	4.8	kcal/mol	PHPMS	Hiraoka, Aruga, et al., 1993	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.	cal/mol*K	N/A	Hiraoka, Aruga, et al., 1993	gas phase; Entropy change calculated or estimated; M

Chlorine anion + = ( • )

By formula: Cl^- + O₂S = (Cl^- • O₂S)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	22.2 ± 2.0	kcal/mol	TDAs	Caldwell and Kebarle, 1985	gas phase; B,M
Δ_rH°	20.9 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B
Δ_rH°	22.2 ± 2.2	kcal/mol	TDEq	Bohringer, Fahey, et al., 1984	gas phase; Relative to HOH..Cl^- in Keesee, Lee, et al., 1980; B,M
Δ_rH°	21.80 ± 0.20	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B,M
Δ_rH°	20.9	kcal/mol	ICR	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	21.6	cal/mol*K	PHPMS	Caldwell and Kebarle, 1985	gas phase; M
Δ_rS°	24.1	cal/mol*K	N/A	Bohringer, Fahey, et al., 1984	gas phase; switching reaction(Cl-)H2O), Entropy change calculated or estimated; Keesee and Castleman, 1980, 2; M
Δ_rS°	20.8	cal/mol*K	N/A	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	23.2	cal/mol*K	HPMS	Keesee, Lee, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	15.7 ± 2.0	kcal/mol	TDAs	Caldwell and Kebarle, 1985	gas phase; B
Δ_rG°	14.7 ± 2.0	kcal/mol	IMRE	Larson and McMahon, 1985	gas phase; B
Δ_rG°	15.0 ± 1.6	kcal/mol	TDEq	Bohringer, Fahey, et al., 1984	gas phase; Relative to HOH..Cl^- in Keesee, Lee, et al., 1980; B,M
Δ_rG°	14.80 ± 0.30	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B
Δ_rG°	14.7	kcal/mol	ICR	Larson and McMahon, 1984, 2	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
14.2	296.	FA	Fehsenfeld and Ferguson, 1974	gas phase; switching reaction(Cl-)H2O; M

( Chlorine anion • ) + = ( • • )

By formula: (Cl^- • O₂S) + HCl = (Cl^- • HCl • O₂S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	13.9	kcal/mol	PHPMS	Caldwell and Kebarle, 1985	gas phase; From thermochemical cycle; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.2	cal/mol*K	PHPMS	Caldwell and Kebarle, 1985	gas phase; From thermochemical cycle; M

( Chlorine anion • ) + = ( • • )

By formula: (Cl^- • O₂S) + H₂O = (Cl^- • H₂O • O₂S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.40	kcal/mol	TDAs	Upschulte, Schelling, et al., 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	19.4	cal/mol*K	HPMS	Upschulte, Schelling, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.60	kcal/mol	TDAs	Upschulte, Schelling, et al., 1984	gas phase; B

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
5.5	296.	FA	Fehsenfeld and Ferguson, 1974	gas phase; From thermochemical cycle,switching reaction(H2O/SO2); M

( Chlorine anion • 2) + = ( • • 2)

By formula: (Cl^- • 2O₂S) + H₂O = (Cl^- • H₂O • 2O₂S)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	9.90	kcal/mol	TDAs	Upschulte, Schelling, et al., 1984	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	22.7	cal/mol*K	HPMS	Upschulte, Schelling, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.10	kcal/mol	TDAs	Upschulte, Schelling, et al., 1984	gas phase; B

( Chlorine anion • • ) + = ( • 2 • )

By formula: (Cl^- • O₂S • H₂O) + O₂S = (Cl^- • 2O₂S • H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	11.8	kcal/mol	HPMS	Upschulte, Schelling, et al., 1984	gas phase; From thermochemical cycle; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	26.0	cal/mol*K	HPMS	Upschulte, Schelling, et al., 1984	gas phase; From thermochemical cycle; M

Free energy of reaction

Δ_rG° (kcal/mol)	T (K)	Method	Reference	Comment
4.1	296.	HPMS	Upschulte, Schelling, et al., 1984	gas phase; From thermochemical cycle; M

( Chlorine anion • ) + = ( • 2)

By formula: (Cl^- • O₂S) + O₂S = (Cl^- • 2O₂S)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	12.3 ± 1.0	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B,M
Δ_rH°	12.3	kcal/mol	PHPMS	Caldwell and Kebarle, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	20.2	cal/mol*K	PHPMS	Caldwell and Kebarle, 1985	gas phase; M
Δ_rS°	22.7	cal/mol*K	HPMS	Keesee, Lee, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.5 ± 2.2	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B

( Chlorine anion • 2) + = ( • 3)

By formula: (Cl^- • 2O₂S) + O₂S = (Cl^- • 3O₂S)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10.00 ± 0.10	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.1	cal/mol*K	HPMS	Keesee, Lee, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3.10 ± 0.30	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B

( Chlorine anion • 3) + = ( • 4)

By formula: (Cl^- • 3O₂S) + O₂S = (Cl^- • 4O₂S)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	8.60 ± 0.20	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	23.2	cal/mol*K	HPMS	Keesee, Lee, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	1.6 ± 1.0	kcal/mol	TDAs	Keesee, Lee, et al., 1980	gas phase; B

Chlorine anion + = ( • )

By formula: Cl^- + O₃S = (Cl^- • O₃S)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	53.8 ± 3.1	kcal/mol	CIDT	Hao, Gilbert, et al., 2006	gas phase; 0K threshold 53.0 kcal/mol. scaled to 298K with B3LYP data.; B

Chlorine anion + = ( • )

By formula: Cl^- + Xe = (Cl^- • Xe)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	4.20 ± 0.30	kcal/mol	TDAs	Wada, Kikkawa, et al., 2007	gas phase; B
Δ_rH°	3.10	kcal/mol	Mobl	Gatland, 1984	gas phase; B,M
Δ_rH°	3.10	kcal/mol	Mobl	Thackston, Eisele, et al., 1980	gas phase; B,M
Δ_rH°	<3.20	kcal/mol	Mobl	De Vreugd, Wijnaendts van Resandt, et al., 1979	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	-1.46 ± 0.30	kcal/mol	TDAs	Wada, Kikkawa, et al., 2007	gas phase; B

Chlorine anion + CAS Reg. No. 10025-71-5 = Cl₃Te^-

By formula: Cl^- + CAS Reg. No. 10025-71-5 = Cl₃Te^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	40.6 ± 1.7	kcal/mol	CIDT	Lobring, Hao, et al., 2003	gas phase; B

Chlorine anion + samarium dichloride = Cl₃Sm^-

By formula: Cl^- + samarium dichloride = Cl₃Sm^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	61.50 ± 0.50	kcal/mol	TDEq	Khasanshin, Pogrebnoi, et al., 1998	gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + CAS Reg. No. 24422-20-6 = Cl₄FGe^-

By formula: Cl^- + CAS Reg. No. 24422-20-6 = Cl₄FGe^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	39.9 ± 1.7	kcal/mol	CIDT	Hao, Kaspar, et al., 2005	gas phase; B

Chlorine anion + CAS Reg. No. 152748-52-2 = Cl₂FSi^-

By formula: Cl^- + CAS Reg. No. 152748-52-2 = Cl₂FSi^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	49.1 ± 2.0	kcal/mol	CIDT	Poutsma, Schroeder, et al., 2004	gas phase; B

Chlorine anion + CAS Reg. No. 193208-57-0 = Cl₄FSn^-

By formula: Cl^- + CAS Reg. No. 193208-57-0 = Cl₄FSn^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	60.0 ± 2.9	kcal/mol	CIDT	Hao, Kaspar, et al., 2005	gas phase; B

References

Go To: Top, Ion clustering data, Notes

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Notes

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Symbols used in this document:

T Temperature

Δ_rG° Free energy of reaction at standard conditions

Δ_rH° Enthalpy of reaction at standard conditions

Δ_rS° Entropy of reaction at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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T	Temperature
Δ_rG°	Free energy of reaction at standard conditions
Δ_rH°	Enthalpy of reaction at standard conditions
Δ_rS°	Entropy of reaction at standard conditions