Methyl Alcohol

Formula: CH₄O
Molecular weight: 32.0419
IUPAC Standard InChI: InChI=1S/CH4O/c1-2/h2H,1H3
IUPAC Standard InChIKey: OKKJLVBELUTLKV-UHFFFAOYSA-N
CAS Registry Number: 67-56-1
Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript.
Isotopologues:
Other names: Methanol; Carbinol; Methyl hydroxide; Methylol; Monohydroxymethane; Wood alcohol; CH3OH; Colonial spirit; Columbian spirit; Hydroxymethane; Wood naphtha; Alcool methylique; Alcool metilico; Columbian spirits; Metanolo; Methylalkohol; Metylowy alkohol; Pyroxylic spirit; Wood spirit; Rcra waste number U154; UN 1230; Pyro alcohol; Spirit of wood; Bieleski's solution; NSC 85232
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Ion clustering data

Go To: Top, References, Notes

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

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Clustering reactions

+ Methyl Alcohol = ( • )

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	60.67 ± 0.42	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	58.2 ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	73.6	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	33.5 ± 0.42	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	36. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B
Δ_rG°	35. ± 8.4	kJ/mol	IMRE	Tanabe, Morgon, et al., 1996	gas phase; Anchored to H2O..Br- of Hiraoka, Mizure, et al., 19882; B

( • Methyl Alcohol ) + = ( • 2)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	50.21 ± 0.84	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	52.3 ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	86.6	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	23.5	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	26. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 2 Methyl Alcohol ) + = ( • 3)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	39.7 ± 2.1	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	44.4 ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	90.4	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17.8	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	18. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 3 Methyl Alcohol ) + = ( • 4)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	41. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	97.1	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	13. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 4 Methyl Alcohol ) + = ( • 5)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	41. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	105.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.6 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 5 Methyl Alcohol ) + = ( • 6)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	38. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	98.7	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.8 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 6 Methyl Alcohol ) + = ( • 7)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	36. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	95.8	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.1 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 7 Methyl Alcohol ) + = ( • 8)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	35. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	96.7	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.3 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 8 Methyl Alcohol ) + = ( • 9)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	34. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; Entropy estimated.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	96.	J/mol*K	N/A	Hiraoka and Yamabe, 1991	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.4 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; Entropy estimated.; B

( • 9 Methyl Alcohol ) + = ( • 10)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	33. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; Entropy estimated.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	96.	J/mol*K	N/A	Hiraoka and Yamabe, 1991	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.6 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; Entropy estimated.; B

CHO^- + Methyl Alcohol = (CHO^- • )

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	120.	kJ/mol	PHPMS	Meot-ner and Sieck, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	112.	J/mol*K	PHPMS	Meot-ner and Sieck, 1986	gas phase; M

+ Methyl Alcohol = ( • )

By formula: CHO₂^- + CH₄O = (CHO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	73.6 ± 4.2	kJ/mol	N/A	Meot-Ner and Sieck, 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	98.7	J/mol*K	PHPMS	Meot-Ner and Sieck, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	43.9 ± 6.7	kJ/mol	TDAs	Meot-Ner and Sieck, 1986	gas phase; B

CH₃O^- + Methyl Alcohol = (CH₃O^- • )

By formula: CH₃O^- + CH₄O = (CH₃O^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	123. ± 4.2	kJ/mol	TDAs	Paul and Kebarle, 1990	gas phase; B,M
Δ_rH°	120.5 ± 1.3	kJ/mol	TDAs	Meot-ner and Sieck, 1986	gas phase; B,M
Δ_rH°	123. ± 10.	kJ/mol	TDAs	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B
Δ_rH°	79.5 ± 8.4	kJ/mol	N/A	Moylan, Dodd, et al., 1985	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	133.	J/mol*K	PHPMS	Paul and Kebarle, 1990	gas phase; M
Δ_rS°	112.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	84.94	kJ/mol	IMRE	Mustanir, Matsuoka, et al., 2006	gas phase; B
Δ_rG°	82.8 ± 4.2	kJ/mol	TDAs	Paul and Kebarle, 1990	gas phase; B
Δ_rG°	87.0 ± 2.1	kJ/mol	TDAs	Meot-ner and Sieck, 1986	gas phase; B
Δ_rG°	84.9 ± 6.7	kJ/mol	TDAs	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
79.9	296.	FA	MacKay and Bohme, 1978	gas phase; From thermochemical cycle,switching reaction(CH3O-)H2O; Meot-Ner(Mautner), 1986; M

(CH₃O^- • Methyl Alcohol ) + = (CH₃O^- • 2)

By formula: (CH₃O^- • CH₄O) + CH₄O = (CH₃O^- • 2CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	89.5	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	116.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₃O^- • 2 Methyl Alcohol ) + = (CH₃O^- • 3)

By formula: (CH₃O^- • 2CH₄O) + CH₄O = (CH₃O^- • 3CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	62.8	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	110.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₃O^- • 3 Methyl Alcohol ) + = (CH₃O^- • 4)

By formula: (CH₃O^- • 3CH₄O) + CH₄O = (CH₃O^- • 4CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	47.7	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	93.7	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₃O^- • ) + Methyl Alcohol = (CH₃O^- • • )

By formula: (CH₃O^- • H₂O) + CH₄O = (CH₃O^- • CH₄O • H₂O)

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
57.3	296.	FA	MacKay and Bohme, 1978	gas phase; From thermochemical cycle,switching reaction(CH3O-)2H2O; Meot-Ner(Mautner), 1986; M

CH₅O⁺ + Methyl Alcohol = (CH₅O⁺ • )

By formula: CH₅O⁺ + CH₄O = (CH₅O⁺ • CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	136.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rH°	135.	kJ/mol	PHPMS	Szulejko and McMahon, 1992	gas phase; M
Δ_rH°	134.	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; M
Δ_rH°	138.	kJ/mol	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M
Δ_rH°	141.	kJ/mol	ICR	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2OH+)(CH3)2O; Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	121.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rS°	122.	J/mol*K	PHPMS	Szulejko and McMahon, 1992	gas phase; M
Δ_rS°	111.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; M
Δ_rS°	128.	J/mol*K	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M
Δ_rS°	119.	J/mol*K	N/A	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2OH+)(CH3)2O; Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	105.	kJ/mol	ICR	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2OH+)(CH3)2O; Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

(CH₅O⁺ • Methyl Alcohol ) + = (CH₅O⁺ • 2)

By formula: (CH₅O⁺ • CH₄O) + CH₄O = (CH₅O⁺ • 2CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	88.7	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rH°	87.9	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; M
Δ_rH°	89.1	kJ/mol	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	113.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rS°	108.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; M
Δ_rS°	118.	J/mol*K	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M

(CH₅O⁺ • 2 Methyl Alcohol ) + = (CH₅O⁺ • 3)

By formula: (CH₅O⁺ • 2CH₄O) + CH₄O = (CH₅O⁺ • 3CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	58.6	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rH°	67.4	kJ/mol	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	100.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rS°	121.	J/mol*K	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M

(CH₅O⁺ • 3 Methyl Alcohol ) + = (CH₅O⁺ • 4)

By formula: (CH₅O⁺ • 3CH₄O) + CH₄O = (CH₅O⁺ • 4CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	47.3	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rH°	56.5	kJ/mol	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	93.3	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rS°	120.	J/mol*K	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M

(CH₅O⁺ • 4 Methyl Alcohol ) + = (CH₅O⁺ • 5)

By formula: (CH₅O⁺ • 4CH₄O) + CH₄O = (CH₅O⁺ • 5CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	42.7	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rH°	52.3	kJ/mol	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	98.3	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rS°	130.	J/mol*K	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M

(CH₅O⁺ • 5 Methyl Alcohol ) + = (CH₅O⁺ • 6)

By formula: (CH₅O⁺ • 5CH₄O) + CH₄O = (CH₅O⁺ • 6CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	39.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rH°	49.8	kJ/mol	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	98.3	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rS°	138.	J/mol*K	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M

(CH₅O⁺ • 6 Methyl Alcohol ) + = (CH₅O⁺ • 7)

By formula: (CH₅O⁺ • 6CH₄O) + CH₄O = (CH₅O⁺ • 7CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	38.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rH°	50.2	kJ/mol	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	108.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Δ_rS°	149.	J/mol*K	PHPMS	Grimsrud and Kebarle, 1973	gas phase; M

(CH₅O⁺ • 7 Methyl Alcohol ) + = (CH₅O⁺ • 8)

By formula: (CH₅O⁺ • 7CH₄O) + CH₄O = (CH₅O⁺ • 8CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	39.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	113.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

(CH₅O⁺ • 8 Methyl Alcohol ) + = (CH₅O⁺ • 9)

By formula: (CH₅O⁺ • 8CH₄O) + CH₄O = (CH₅O⁺ • 9CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	38.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	110.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
16.	200.	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

(CH₅O⁺ • 9 Methyl Alcohol ) + = (CH₅O⁺ • 10)

By formula: (CH₅O⁺ • 9CH₄O) + CH₄O = (CH₅O⁺ • 10CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	36.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	110.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
15.	200.	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

(CH₅O⁺ • 10 Methyl Alcohol ) + = (CH₅O⁺ • 11)

By formula: (CH₅O⁺ • 10CH₄O) + CH₄O = (CH₅O⁺ • 11CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	36.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	110.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
16.	184.	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

(CH₅O⁺ • 11 Methyl Alcohol ) + = (CH₅O⁺ • 12)

By formula: (CH₅O⁺ • 11CH₄O) + CH₄O = (CH₅O⁺ • 12CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	36.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	110.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
15.	184.	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

(CH₅O⁺ • 12 Methyl Alcohol ) + = (CH₅O⁺ • 13)

By formula: (CH₅O⁺ • 12CH₄O) + CH₄O = (CH₅O⁺ • 13CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	36.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	110.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
16.	184.	PHPMS	Meot-Ner (Mautner), 1992	gas phase; M

(CH₅O⁺ • Methyl Alcohol • ) + = (CH₅O⁺ • 2 • )

By formula: (CH₅O⁺ • CH₄O • H₂O) + CH₄O = (CH₅O⁺ • 2CH₄O • H₂O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	68.6	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	111.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₅O⁺ • ) + Methyl Alcohol = (CH₅O⁺ • • )

By formula: (CH₅O⁺ • H₂O) + CH₄O = (CH₅O⁺ • CH₄O • H₂O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	103.	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	120.	J/mol*K	N/A	Meot-Ner(Mautner), 1986	gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
48.5	452.	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n, Entropy change calculated or estimated; M

(CH₅O⁺ • 2) + Methyl Alcohol = (CH₅O⁺ • • 2)

By formula: (CH₅O⁺ • 2H₂O) + CH₄O = (CH₅O⁺ • CH₄O • 2H₂O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	75.3	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	110.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

CH₆N⁺ + Methyl Alcohol = (CH₆N⁺ • )

By formula: CH₆N⁺ + CH₄O = (CH₆N⁺ • CH₄O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	79.5	kJ/mol	PHPMS	Meot-Ner, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	101.	J/mol*K	PHPMS	Meot-Ner, 1984	gas phase; M

CN^- + Methyl Alcohol = (CN^- • )

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	65.7 ± 3.3	kJ/mol	TDAs	Larson, Szulejko, et al., 1988	gas phase; B,M
Δ_rH°	69.5 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B
Δ_rH°	69. ± 15.	kJ/mol	IMRE	Larson and McMahon, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	96.	J/mol*K	PHPMS	Larson, Szulejko, et al., 1988	gas phase; M
Δ_rS°	102.	J/mol*K	N/A	Larson and McMahon, 1987	gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	36.8 ± 0.84	kJ/mol	TDAs	Larson, Szulejko, et al., 1988	gas phase; B
Δ_rG°	43.5 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B
Δ_rG°	38. ± 9.6	kJ/mol	IMRE	Larson and McMahon, 1987	gas phase; B,M

C₂H^- + Methyl Alcohol = C₃H₅O^-

By formula: C₂H^- + CH₄O = C₃H₅O^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	90.4 ± 8.4	kJ/mol	IMRE	Chabinyc and Brauman, 1999	gas phase; Anchored to MeOH ΔGacid=375.2; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	45.61	kJ/mol	IMRE	Mustanir, Matsuoka, et al., 2006	gas phase; B
Δ_rG°	48.5 ± 8.4	kJ/mol	IMRE	Chabinyc and Brauman, 1999	gas phase; Anchored to MeOH ΔGacid=375.2; B

+ Methyl Alcohol = ( • )

By formula: C₂H₃O₂^- + CH₄O = (C₂H₃O₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	73.6 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	43.9 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B

(C₂H₄N⁺ • Methyl Alcohol ) + = (C₂H₄N⁺ • 2)

By formula: (C₂H₄N⁺ • CH₄O) + CH₄O = (C₂H₄N⁺ • 2CH₄O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	87.4	kJ/mol	PHPMS	El-Shall, Olafsdottir, et al., 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	109.	J/mol*K	PHPMS	El-Shall, Olafsdottir, et al., 1991	gas phase; M

(C₂H₄N⁺ • 2 Methyl Alcohol ) + = (C₂H₄N⁺ • 3)

By formula: (C₂H₄N⁺ • 2CH₄O) + CH₄O = (C₂H₄N⁺ • 3CH₄O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	58.2	kJ/mol	PHPMS	El-Shall, Olafsdottir, et al., 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	102.	J/mol*K	PHPMS	El-Shall, Olafsdottir, et al., 1991	gas phase; M

(C₂H₄N⁺ • Methyl Alcohol • ) + = (C₂H₄N⁺ • 2 • )

By formula: (C₂H₄N⁺ • CH₄O • C₂H₃N) + CH₄O = (C₂H₄N⁺ • 2CH₄O • C₂H₃N)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	57.3	kJ/mol	PHPMS	El-Shall, Olafsdottir, et al., 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	101.	J/mol*K	PHPMS	El-Shall, Olafsdottir, et al., 1991	gas phase; M

C₂H₄NO₂^- + Methyl Alcohol = C₃H₈NO₃^-

By formula: C₂H₄NO₂^- + CH₄O = C₃H₈NO₃^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	71.1 ± 2.1	kJ/mol	TDAs	Nieckarz, Atkins, et al., 2008	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	40. ± 4.2	kJ/mol	TDAs	Nieckarz, Atkins, et al., 2008	gas phase; B

C₂H₅O⁺ + Methyl Alcohol = (C₂H₅O⁺ • )

By formula: C₂H₅O⁺ + CH₄O = (C₂H₅O⁺ • CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	127.	kJ/mol	ICR	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	113.	J/mol*K	N/A	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	93.3	kJ/mol	ICR	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

C₂H₅O^- + Methyl Alcohol = (C₂H₅O^- • )

By formula: C₂H₅O^- + CH₄O = (C₂H₅O^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	114. ± 12.	kJ/mol	IMRE	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M
Δ_rH°	107. ± 7.9	kJ/mol	CIDT	DeTuri and Ervin, 1999	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	123.	J/mol*K	N/A	Caldwell, Rozeboom, et al., 1984	gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	77.8 ± 8.4	kJ/mol	IMRE	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
56.1	296.	FA	Mackay, Rakshit, et al., 1982	gas phase; From thermochemical cycle,switching reaction(CH3O-)CH3OH; Caldwell and Kebarle, 1986, Taft, 1983; M

C₂H₇O⁺ + Methyl Alcohol = (C₂H₇O⁺ • )

By formula: C₂H₇O⁺ + CH₄O = (C₂H₇O⁺ • CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	110.	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	113.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ • Methyl Alcohol ) + = (C₂H₇O⁺ • 2)

By formula: (C₂H₇O⁺ • CH₄O) + CH₄O = (C₂H₇O⁺ • 2CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	78.7	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	121.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ • 2 Methyl Alcohol ) + = (C₂H₇O⁺ • 3)

By formula: (C₂H₇O⁺ • 2CH₄O) + CH₄O = (C₂H₇O⁺ • 3CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	66.5	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	131.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ • 3 Methyl Alcohol ) + = (C₂H₇O⁺ • 4)

By formula: (C₂H₇O⁺ • 3CH₄O) + CH₄O = (C₂H₇O⁺ • 4CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	57.3	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	129.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ • Methyl Alcohol • ) + = (C₂H₇O⁺ • 2 • )

By formula: (C₂H₇O⁺ • CH₄O • C₂H₆O) + CH₄O = (C₂H₇O⁺ • 2CH₄O • C₂H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	63.2	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	128.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ • 2 Methyl Alcohol • ) + = (C₂H₇O⁺ • 3 • )

By formula: (C₂H₇O⁺ • 2CH₄O • C₂H₆O) + CH₄O = (C₂H₇O⁺ • 3CH₄O • C₂H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	51.0	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	111.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ • ) + Methyl Alcohol = (C₂H₇O⁺ • • )

By formula: (C₂H₇O⁺ • C₂H₆O) + CH₄O = (C₂H₇O⁺ • CH₄O • C₂H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	75.7	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	128.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

C₂H₇O⁺ + Methyl Alcohol = (C₂H₇O⁺ • )

By formula: C₂H₇O⁺ + CH₄O = (C₂H₇O⁺ • CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	124.	kJ/mol	ICR	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	111.	J/mol*K	N/A	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	90.8	kJ/mol	ICR	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

C₂H₇O₂^- + 2 Methyl Alcohol = C₃H₁₁O₃^-

By formula: C₂H₇O₂^- + 2CH₄O = C₃H₁₁O₃^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	89.5 ± 4.2	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	54.8 ± 2.1	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B

C₂H₇O₂^- + + Methyl Alcohol = C₂H₉O₃^-

By formula: C₂H₇O₂^- + H₂O + CH₄O = C₂H₉O₃^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	74.5 ± 4.2	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	42.3 ± 2.1	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B

C₂H₉O₃^- + 2 + Methyl Alcohol = C₂H₁₁O₄^-

By formula: C₂H₉O₃^- + 2H₂O + CH₄O = C₂H₁₁O₄^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	63.6 ± 4.2	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	28.9 ± 2.1	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B

+ Methyl Alcohol = ( • )

By formula: C₃H₃N₂^- + CH₄O = (C₃H₃N₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	71.5	kJ/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	101.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M

C₃H₇O⁺ + Methyl Alcohol = (C₃H₇O⁺ • )

By formula: C₃H₇O⁺ + CH₄O = (C₃H₇O⁺ • CH₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	54.8	kJ/mol	PHPMS	Meot-Ner (Mautner), Ross, et al., 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	89.1	J/mol*K	PHPMS	Meot-Ner (Mautner), Ross, et al., 1985	gas phase; M

C₃H₇O^- + Methyl Alcohol = (C₃H₇O^- • )

By formula: C₃H₇O^- + CH₄O = (C₃H₇O^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	113. ± 12.	kJ/mol	N/A	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	123.	J/mol*K	N/A	Caldwell, Rozeboom, et al., 1984	gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	76.1 ± 8.4	kJ/mol	IMRE	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M

C₃H₉Si⁺ + Methyl Alcohol = (C₃H₉Si⁺ • )

By formula: C₃H₉Si⁺ + CH₄O = (C₃H₉Si⁺ • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	164.	kJ/mol	PHPMS	Wojtyniak and Stone, 1986	gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	124.	J/mol*K	N/A	Wojtyniak and Stone, 1986	gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
106.	468.	PHPMS	Wojtyniak and Stone, 1986	gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M

C₃H₉Sn⁺ + Methyl Alcohol = (C₃H₉Sn⁺ • )

By formula: C₃H₉Sn⁺ + CH₄O = (C₃H₉Sn⁺ • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	136.	kJ/mol	PHPMS	Stone and Splinter, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	130.	J/mol*K	PHPMS	Stone and Splinter, 1984	gas phase; M

C₃H₁₀N⁺ + Methyl Alcohol = (C₃H₁₀N⁺ • )

By formula: C₃H₁₀N⁺ + CH₄O = (C₃H₁₀N⁺ • CH₄O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	63.2	kJ/mol	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	87.9	J/mol*K	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M

(C₃H₁₀N⁺ • Methyl Alcohol ) + = (C₃H₁₀N⁺ • 2)

By formula: (C₃H₁₀N⁺ • CH₄O) + CH₄O = (C₃H₁₀N⁺ • 2CH₄O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	49.0	kJ/mol	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	99.6	J/mol*K	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M

(C₃H₁₀N⁺ • 2 Methyl Alcohol ) + = (C₃H₁₀N⁺ • 3)

By formula: (C₃H₁₀N⁺ • 2CH₄O) + CH₄O = (C₃H₁₀N⁺ • 3CH₄O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	43.9	kJ/mol	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	113.	J/mol*K	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M

(C₃H₁₀N⁺ • Methyl Alcohol • ) + = (C₃H₁₀N⁺ • 2 • )

By formula: (C₃H₁₀N⁺ • CH₄O • C₃H₉N) + CH₄O = (C₃H₁₀N⁺ • 2CH₄O • C₃H₉N)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	40.	kJ/mol	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M

(C₃H₁₀N⁺ • ) + Methyl Alcohol = (C₃H₁₀N⁺ • • )

By formula: (C₃H₁₀N⁺ • C₃H₉N) + CH₄O = (C₃H₁₀N⁺ • CH₄O • C₃H₉N)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	44.4	kJ/mol	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	105.	J/mol*K	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M

C₃H₁₁O₃^- + 3 Methyl Alcohol = C₄H₁₅O₄^-

By formula: C₃H₁₁O₃^- + 3CH₄O = C₄H₁₅O₄^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	62.8 ± 4.2	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	30.1 ± 2.1	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B

C₃H₁₁O₃^- + + 2 Methyl Alcohol = C₃H₁₃O₄^-

By formula: C₃H₁₁O₃^- + H₂O + 2CH₄O = C₃H₁₃O₄^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	57.7 ± 4.2	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	26.8 ± 2.1	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B

C₄H₂O₃^- + Methyl Alcohol = (C₄H₂O₃^- • )

By formula: C₄H₂O₃^- + CH₄O = (C₄H₂O₃^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	20. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
20.	343.	PHPMS	Chowdhury, 1987	gas phase; M

+ Methyl Alcohol = ( • )

By formula: C₄H₄N^- + CH₄O = (C₄H₄N^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	77.8 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988, 2	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	115.	J/mol*K	PHPMS	Meot-ner, 1988, 2	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	43.5 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988, 2	gas phase; B

C₄H₉O^- + Methyl Alcohol = (C₄H₉O^- • )

By formula: C₄H₉O^- + CH₄O = (C₄H₉O^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	107. ± 4.2	kJ/mol	TDEq	Meot-Ner and Sieck, 1986	gas phase; B,M
Δ_rH°	97.9 ± 9.2	kJ/mol	CIDT	DeTuri and Ervin, 1999	gas phase; B
Δ_rH°	109. ± 10.	kJ/mol	N/A	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	117.	J/mol*K	N/A	Meot-Ner and Sieck, 1986	gas phase; Entropy change calculated or estimated; M
Δ_rS°	123.	J/mol*K	N/A	Caldwell, Rozeboom, et al., 1984	gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	42.68	kJ/mol	IMRE	Mustanir, Matsuoka, et al., 2006	gas phase; B
Δ_rG°	71.5 ± 6.7	kJ/mol	TDEq	Meot-Ner and Sieck, 1986	gas phase; B
Δ_rG°	72.4 ± 6.7	kJ/mol	IMRE	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; B,M

C₄H₁₁O₂⁺ + Methyl Alcohol = (C₄H₁₁O₂⁺ • )

By formula: C₄H₁₁O₂⁺ + CH₄O = (C₄H₁₁O₂⁺ • CH₄O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	92.0	kJ/mol	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	118.	J/mol*K	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M

(C₄H₁₁O₂⁺ • Methyl Alcohol ) + = (C₄H₁₁O₂⁺ • 2)

By formula: (C₄H₁₁O₂⁺ • CH₄O) + CH₄O = (C₄H₁₁O₂⁺ • 2CH₄O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	60.2	kJ/mol	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	98.7	J/mol*K	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M

(C₄H₁₁O₂⁺ • 2 Methyl Alcohol ) + = (C₄H₁₁O₂⁺ • 3)

By formula: (C₄H₁₁O₂⁺ • 2CH₄O) + CH₄O = (C₄H₁₁O₂⁺ • 3CH₄O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	52.7	kJ/mol	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	105.	J/mol*K	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M

(C₄H₁₁O₂⁺ • 3 Methyl Alcohol ) + = (C₄H₁₁O₂⁺ • 4)

By formula: (C₄H₁₁O₂⁺ • 3CH₄O) + CH₄O = (C₄H₁₁O₂⁺ • 4CH₄O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	42.7	kJ/mol	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	93.3	J/mol*K	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M

(C₄H₁₁O₂⁺ • 4 Methyl Alcohol ) + = (C₄H₁₁O₂⁺ • 5)

By formula: (C₄H₁₁O₂⁺ • 4CH₄O) + CH₄O = (C₄H₁₁O₂⁺ • 5CH₄O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	38.	kJ/mol	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	92.9	J/mol*K	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M

(C₄H₁₁O₂⁺ • 5 Methyl Alcohol ) + = (C₄H₁₁O₂⁺ • 6)

By formula: (C₄H₁₁O₂⁺ • 5CH₄O) + CH₄O = (C₄H₁₁O₂⁺ • 6CH₄O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	37.	kJ/mol	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	100.	J/mol*K	PHPMS	Meot-Ner (Mautner), Sieck, et al., 1994	gas phase; M

C₄H₁₅O₄^- + 4 Methyl Alcohol = C₅H₁₉O₅^-

By formula: C₄H₁₅O₄^- + 4CH₄O = C₅H₁₉O₅^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	47.7 ± 4.2	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	19.7 ± 2.1	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B

+ Methyl Alcohol = ( • )

By formula: C₅H₅^- + CH₄O = (C₅H₅^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	55.2 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988, 2	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	29. ± 4.2	kJ/mol	TDAs	Meot-ner, 1988, 2	gas phase; B

C₅H₁₁O^- + Methyl Alcohol = (C₅H₁₁O^- • )

By formula: C₅H₁₁O^- + CH₄O = (C₅H₁₁O^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	108. ± 12.	kJ/mol	N/A	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	71.1 ± 8.4	kJ/mol	IMRE	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B

C₆F₄O₂^- + Methyl Alcohol = (C₆F₄O₂^- • )

By formula: C₆F₄O₂^- + CH₄O = (C₆F₄O₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	13. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
13.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₆H₄ClNO₂^- + Methyl Alcohol = (C₆H₄ClNO₂^- • )

By formula: C₆H₄ClNO₂^- + CH₄O = (C₆H₄ClNO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	23. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
23.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₆H₄ClNO₂^- + Methyl Alcohol = (C₆H₄ClNO₂^- • )

By formula: C₆H₄ClNO₂^- + CH₄O = (C₆H₄ClNO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	23. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
23.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₆H₄ClNO₂^- + Methyl Alcohol = (C₆H₄ClNO₂^- • )

By formula: C₆H₄ClNO₂^- + CH₄O = (C₆H₄ClNO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	23. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
23.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₆H₄FNO₂^- + Methyl Alcohol = (C₆H₄FNO₂^- • )

By formula: C₆H₄FNO₂^- + CH₄O = (C₆H₄FNO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	24. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
24.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₆H₄FNO₂^- + Methyl Alcohol = (C₆H₄FNO₂^- • )

By formula: C₆H₄FNO₂^- + CH₄O = (C₆H₄FNO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	25. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
25.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₆H₄FNO₂^- + Methyl Alcohol = (C₆H₄FNO₂^- • )

By formula: C₆H₄FNO₂^- + CH₄O = (C₆H₄FNO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	66.1 ± 8.4	kJ/mol	N/A	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	125.	J/mol*K	PHPMS	Chowdhury, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	23. ± 8.4	kJ/mol	TDAs	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

C₆H₄NO₃^- + Methyl Alcohol = (C₆H₄NO₃^- • )

By formula: C₆H₄NO₃^- + CH₄O = (C₆H₄NO₃^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	21. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

C₆H₄NO₃^- + Methyl Alcohol = (C₆H₄NO₃^- • )

By formula: C₆H₄NO₃^- + CH₄O = (C₆H₄NO₃^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	24. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

C₆H₄N₂O₄^- + Methyl Alcohol = (C₆H₄N₂O₄^- • )

By formula: C₆H₄N₂O₄^- + CH₄O = (C₆H₄N₂O₄^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.6 ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
9.6	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₆H₄N₂O₄^- + Methyl Alcohol = (C₆H₄N₂O₄^- • )

By formula: C₆H₄N₂O₄^- + CH₄O = (C₆H₄N₂O₄^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	14. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
14.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₆H₄N₂O₄^- + Methyl Alcohol = (C₆H₄N₂O₄^- • )

By formula: C₆H₄N₂O₄^- + CH₄O = (C₆H₄N₂O₄^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	16. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
16.	343.	PHPMS	Chowdhury, 1987	gas phase; M

+ Methyl Alcohol = ( • )

By formula: C₆H₄O₂^- + CH₄O = (C₆H₄O₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	23. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
23.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₆H₅NO₂^- + Methyl Alcohol = (C₆H₅NO₂^- • )

By formula: C₆H₅NO₂^- + CH₄O = (C₆H₅NO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	63.18 ± 0.84	kJ/mol	TDAs	Sieck, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	109.	J/mol*K	PHPMS	Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	30.5 ± 1.7	kJ/mol	TDAs	Sieck, 1985	gas phase; B
Δ_rG°	26. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
26.	343.	PHPMS	Chowdhury, 1987	gas phase; M

+ Methyl Alcohol = ( • )

By formula: C₆H₅S^- + CH₄O = (C₆H₅S^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	56.1	kJ/mol	PHPMS	Sieck and Meot-ner, 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	96.2	J/mol*K	PHPMS	Sieck and Meot-ner, 1989	gas phase; M

+ Methyl Alcohol = C₇H₉OS^-

By formula: C₆H₅S^- + CH₄O = C₇H₉OS^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	56.07 ± 0.42	kJ/mol	TDAs	Sieck and Meot-ner, 1989	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	27.2 ± 1.3	kJ/mol	TDAs	Sieck and Meot-ner, 1989	gas phase; B

C₆H₉^- + Methyl Alcohol = C₇H₁₃O^-

By formula: C₆H₉^- + CH₄O = C₇H₁₃O^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	87.0 ± 8.4	kJ/mol	IMRE	Chabinyc and Brauman, 1999	gas phase; Anchored to MeOH ΔGacid=375.2; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	48.12	kJ/mol	IMRE	Mustanir, Matsuoka, et al., 2006	gas phase; B
Δ_rG°	44.8 ± 8.4	kJ/mol	IMRE	Chabinyc and Brauman, 1999	gas phase; Anchored to MeOH ΔGacid=375.2; B

C₆H₁₁S₂^- + Methyl Alcohol = (C₆H₁₁S₂^- • )

By formula: C₆H₁₁S₂^- + CH₄O = (C₆H₁₁S₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	92. ± 10.	kJ/mol	N/A	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	55.2 ± 6.7	kJ/mol	IMRE	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B

+ Methyl Alcohol = ( • )

By formula: C₇F₁₄^- + CH₄O = (C₇F₁₄^- • CH₄O)

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
27.	308.	PHPMS	Knighton, Zook, et al., 1990	gas phase; M

C₇H₄F₃NO₂^- + Methyl Alcohol = (C₇H₄F₃NO₂^- • )

By formula: C₇H₄F₃NO₂^- + CH₄O = (C₇H₄F₃NO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	61.1 ± 8.4	kJ/mol	N/A	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	21. ± 6.7	kJ/mol	TDAs	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

C₇H₄N₂O₂^- + Methyl Alcohol = (C₇H₄N₂O₂^- • )

By formula: C₇H₄N₂O₂^- + CH₄O = (C₇H₄N₂O₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	20. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
20.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₇H₄N₂O₂^- + Methyl Alcohol = (C₇H₄N₂O₂^- • )

By formula: C₇H₄N₂O₂^- + CH₄O = (C₇H₄N₂O₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	19. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
19.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₇H₄N₂O₂^- + Methyl Alcohol = (C₇H₄N₂O₂^- • )

By formula: C₇H₄N₂O₂^- + CH₄O = (C₇H₄N₂O₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	58.2 ± 8.4	kJ/mol	N/A	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	120.	J/mol*K	PHPMS	Chowdhury, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17. ± 8.4	kJ/mol	TDAs	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

C₇H₇NO₂^- + Methyl Alcohol = (C₇H₇NO₂^- • )

By formula: C₇H₇NO₂^- + CH₄O = (C₇H₇NO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	26. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
26.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₇H₇NO₂^- + Methyl Alcohol = (C₇H₇NO₂^- • )

By formula: C₇H₇NO₂^- + CH₄O = (C₇H₇NO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	27. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
27.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₇H₇NO₂^- + Methyl Alcohol = (C₇H₇NO₂^- • )

By formula: C₇H₇NO₂^- + CH₄O = (C₇H₇NO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	27. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

C₇H₇NO₃^- + Methyl Alcohol = (C₇H₇NO₃^- • )

By formula: C₇H₇NO₃^- + CH₄O = (C₇H₇NO₃^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	26. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
26.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₇H₇NO₃^- + Methyl Alcohol = (C₇H₇NO₃^- • )

By formula: C₇H₇NO₃^- + CH₄O = (C₇H₇NO₃^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	59.8 ± 8.4	kJ/mol	N/A	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	97.9	J/mol*K	PHPMS	Chowdhury, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	26. ± 8.4	kJ/mol	TDAs	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

C₈H₅^- + Methyl Alcohol = (C₈H₅^- • )

By formula: C₈H₅^- + CH₄O = (C₈H₅^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	90.0 ± 8.4	kJ/mol	IMRE	Chabinyc and Brauman, 1999	gas phase; B
Δ_rH°	90. ± 12.	kJ/mol	N/A	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	123.	J/mol*K	N/A	Caldwell, Rozeboom, et al., 1984	gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	46.0 ± 8.4	kJ/mol	IMRE	Chabinyc and Brauman, 1999	gas phase; B
Δ_rG°	53.1 ± 8.4	kJ/mol	IMRE	Caldwell, Rozeboom, et al., 1984	gas phase; Reanchored to average data from Paul and Kebarle, 1990 and Meot-ner and Sieck, 1986.; value altered from reference due to change in acidity scale; B,M

C₈H₉NO₂^- + Methyl Alcohol = (C₈H₉NO₂^- • )

By formula: C₈H₉NO₂^- + CH₄O = (C₈H₉NO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	26. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
26.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₈H₁₇O₄⁺ + Methyl Alcohol = (C₈H₁₇O₄⁺ • )

By formula: C₈H₁₇O₄⁺ + CH₄O = (C₈H₁₇O₄⁺ • CH₄O)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	81.6	kJ/mol	PHPMS	Sharma and Kebarle, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	142.	J/mol*K	PHPMS	Sharma and Kebarle, 1984	gas phase; M

C₉H₇^- + Methyl Alcohol = C₁₀H₁₁O^-

By formula: C₉H₇^- + CH₄O = C₁₀H₁₁O^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	90.4 ± 8.4	kJ/mol	IMRE	Chabinyc and Brauman, 1999	gas phase; Anchored to MeOH ΔGacid=375.2; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	42.68	kJ/mol	IMRE	Mustanir, Matsuoka, et al., 2006	gas phase; B
Δ_rG°	46.4 ± 8.4	kJ/mol	IMRE	Chabinyc and Brauman, 1999	gas phase; Anchored to MeOH ΔGacid=375.2; B

C₁₀H₄Cl₂O₂^- + Methyl Alcohol = (C₁₀H₄Cl₂O₂^- • )

By formula: C₁₀H₄Cl₂O₂^- + CH₄O = (C₁₀H₄Cl₂O₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	<6.3 ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
6.3	343.	PHPMS	Chowdhury, 1987	gas phase; DG<; M

+ Methyl Alcohol = ( • )

By formula: C₁₀H₆O₂^- + CH₄O = (C₁₀H₆O₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	19. ± 6.7	kJ/mol	IMRE	Chowdhury, Grimsrud, et al., 1987	gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
19.	343.	PHPMS	Chowdhury, 1987	gas phase; M

C₁₀H₂₁O₅⁺ + Methyl Alcohol = (C₁₀H₂₁O₅⁺ • )

By formula: C₁₀H₂₁O₅⁺ + CH₄O = (C₁₀H₂₁O₅⁺ • CH₄O)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	83.7	kJ/mol	PHPMS	Sharma and Kebarle, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	117.	J/mol*K	PHPMS	Sharma and Kebarle, 1984	gas phase; M

C₁₂H₂₅O₆⁺ + Methyl Alcohol = (C₁₂H₂₅O₆⁺ • )

By formula: C₁₂H₂₅O₆⁺ + CH₄O = (C₁₂H₂₅O₆⁺ • CH₄O)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	83.7	kJ/mol	PHPMS	Sharma and Kebarle, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	123.	J/mol*K	PHPMS	Sharma and Kebarle, 1984	gas phase; M

+ Methyl Alcohol = ( • )

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	69. ± 10.	kJ/mol	AVG	N/A	Average of 8 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	94.6	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M
Δ_rS°	101.	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	92.0	J/mol*K	PHPMS	Sieck, 1985	gas phase; M
Δ_rS°	95.8	J/mol*K	N/A	Larson and McMahon, 1984	gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δ_rS°	61.9	J/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; Entropy change is questionable; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	42. ± 3.	kJ/mol	AVG	N/A	Average of 10 values; Individual data points

( • Methyl Alcohol ) + = ( • 2)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	59.0 ± 1.7	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	57.32 ± 0.84	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; B,M
Δ_rH°	59.0 ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Δ_rH°	54.4 ± 2.9	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	101.	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	92.0	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M
Δ_rS°	81.2	J/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	30.5	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	29.7	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rG°	28. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	30.1 ± 1.7	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( • 2 Methyl Alcohol ) + = ( • 3)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	48.12 ± 0.84	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	45.2 ± 1.3	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; B,M
Δ_rH°	49.4 ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Δ_rH°	51.5 ± 2.5	kJ/mol	N/A	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	95.8	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	95.0	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M
Δ_rS°	98.7	J/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	21.2	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	16.7	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rG°	21. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	21.8 ± 1.3	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( • 3 Methyl Alcohol ) + = ( • 4)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	43.9 ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Δ_rH°	43.93	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rH°	46.9 ± 2.5	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	95.8	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	110.	J/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	15. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	15.5	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rG°	13.8 ± 0.84	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( • 4 Methyl Alcohol ) + = ( • 5)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	38. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Δ_rH°	43.9 ± 2.1	kJ/mol	N/A	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	90.8	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Δ_rS°	107.	J/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B
Δ_rG°	12.1 ± 0.42	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( • 5 Methyl Alcohol ) + = ( • 6)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	37. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	92.9	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.2 ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( • 6 Methyl Alcohol ) + = ( • 7)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	33. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	84.1	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	8.4 ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( • 7 Methyl Alcohol ) + = ( • 8)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	32. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	82.4	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.1 ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( • 8 Methyl Alcohol ) + = ( • 9)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	32. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	86.2	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.9 ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( • 9 Methyl Alcohol ) + = ( • 10)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	31. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	84.1	J/mol*K	PHPMS	Hiraoka and Mizuse, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.9 ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; B

( • 10 Methyl Alcohol ) + = ( • 11)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	31. ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	84.	J/mol*K	N/A	Hiraoka and Mizuse, 1987	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.4 ± 4.2	kJ/mol	TDAs	Hiraoka and Mizuse, 1987	gas phase; Estimated entropy; single temperature measurement; B

( • Methyl Alcohol • ) + = ( • 2 • )

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	45.2	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	79.	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( • ) + Methyl Alcohol = ( • • )

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	55.2	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	87.4	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( • 2) + Methyl Alcohol = ( • • 2)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	47.7	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	75.7	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

+ Methyl Alcohol = ( • )

By formula: Co⁺ + CH₄O = (Co⁺ • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	148. ± 7.9	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD

+ Methyl Alcohol = ( • )

By formula: Cu⁺ + CH₄O = (Cu⁺ • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	56.1	kJ/mol	HPMS	El-Shall, Schriver, et al., 1989	gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	100.	J/mol*K	N/A	El-Shall, Schriver, et al., 1989	gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	25.	kJ/mol	HPMS	El-Shall, Schriver, et al., 1989	gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M

( • Methyl Alcohol ) + = ( • 2)

By formula: (Cu⁺ • CH₄O) + CH₄O = (Cu⁺ • 2CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	57.7	kJ/mol	HPMS	El-Shall, Schriver, et al., 1989	gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	100.	J/mol*K	N/A	El-Shall, Schriver, et al., 1989	gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	26.	kJ/mol	HPMS	El-Shall, Schriver, et al., 1989	gas phase; Entropy change calculated or estimated, Cu+ from laser desorption; M

+ Methyl Alcohol = CH₃D₄FO^-

By formula: F^- + CH₄O = CH₃D₄FO^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	125. ± 8.4	kJ/mol	TDEq	Wilkinson, Szulejko, et al., 1992	gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	93.7 ± 8.4	kJ/mol	TDEq	Wilkinson, Szulejko, et al., 1992	gas phase; Reported relative to ROH..F-, 0.5 kcal/mol weaker.; B

+ Methyl Alcohol = ( • )

By formula: F^- + CH₄O = (F^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	124. ± 8.4	kJ/mol	IMRE	Larson and McMahon, 1983	gas phase; B,M
Δ_rH°	123. ± 9.2	kJ/mol	CIDT	DeTuri and Ervin, 1999	gas phase; B
Δ_rH°	97.5 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	105.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Δ_rS°	94.6	J/mol*K	N/A	Larson and McMahon, 1983	gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	95.4 ± 8.4	kJ/mol	IMRE	Larson and McMahon, 1983	gas phase; B,M
Δ_rG°	66.1 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • Methyl Alcohol ) + = ( • 2)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	84.9 ± 1.3	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	80.8 ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	97.1	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	54.27	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	51.9 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 2 Methyl Alcohol ) + = ( • 3)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	63.2 ± 2.5	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	60.7 ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	88.7	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	33.7	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	34. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 3 Methyl Alcohol ) + = ( • 4)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	52.3 ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	98.3	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	23. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 4 Methyl Alcohol ) + = ( • 5)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	49.8 ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	114.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	16. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 5 Methyl Alcohol ) + = ( • 6)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	48.1 ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	125.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	11. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 6 Methyl Alcohol ) + = ( • 7)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	41. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	107.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.2 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 7 Methyl Alcohol ) + = ( • 8)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	41. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	112.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	7.1 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 8 Methyl Alcohol ) + = ( • 9)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	38. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	108.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.3 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 9 Methyl Alcohol ) + = ( • 10)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	37. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	105.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.4 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 10 Methyl Alcohol ) + = ( • 11)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	36. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	107.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.2 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 11 Methyl Alcohol ) + = ( • 12)

By formula: (F^- • 11CH₄O) + CH₄O = (F^- • 12CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	36. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; Entropy estimated.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	100.	J/mol*K	N/A	Hiraoka and Yamabe, 1991	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.6 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; Entropy estimated.; B

F₆S^- + Methyl Alcohol = (F₆S^- • )

By formula: F₆S^- + CH₄O = (F₆S^- • CH₄O)

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
19.	308.	PHPMS	Knighton, Zook, et al., 1990	gas phase; M

HS^- + Methyl Alcohol = (HS^- • )

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	71.1 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	46.0 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B

H₄ClO₂^- + Methyl Alcohol + 2 = CH₈ClO₃^-

By formula: H₄ClO₂^- + CH₄O + 2H₂O = CH₈ClO₃^-

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	43.51 ± 0.84	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rH°	47.7 ± 1.3	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; For solvation by MeOH of core ion; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	24.3	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; B
Δ_rG°	25.1	kJ/mol	TDAs	Evans and Keesee, 1991	gas phase; For solvation by MeOH of core ion; B

+ Methyl Alcohol = ( • )

By formula: I^- + CH₄O = (I^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	49.79 ± 0.84	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	47.3 ± 4.2	kJ/mol	TDAs	Caldwell and Kebarle, 1984	gas phase; B,M
Δ_rH°	46.9	kJ/mol	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Δ_rH°	46.	kJ/mol	PHPMS	Caldwell, Masucci, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	71.5	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Δ_rS°	74.5	J/mol*K	PHPMS	Caldwell and Kebarle, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	24.1	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	25. ± 4.2	kJ/mol	TDAs	Caldwell and Kebarle, 1984	gas phase; B
Δ_rG°	24. ± 8.4	kJ/mol	IMRE	Tanabe, Morgon, et al., 1996	gas phase; Anchored to H2O..I- of Caldwell and Kebarle, 1984; B

( • Methyl Alcohol ) + = ( • 2)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	39.7 ± 0.84	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	46.4 ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	94.6	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	17.8	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	18. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 2 Methyl Alcohol ) + = ( • 3)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	32.2 ± 2.5	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rH°	41. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	93.7	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	14.3	kJ/mol	TDAs	Bogdanov, Peschke, et al., 1999	gas phase; B
Δ_rG°	13. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 3 Methyl Alcohol ) + = ( • 4)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	41. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	104.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	9.6 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 4 Methyl Alcohol ) + = ( • 5)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	40. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	113.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	6.3 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 5 Methyl Alcohol ) + = ( • 6)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	40. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	115.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	5.9 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 6 Methyl Alcohol ) + = ( • 7)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	39. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	117.	J/mol*K	PHPMS	Hiraoka and Yamabe, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	4.6 ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; B

( • 7 Methyl Alcohol ) + = ( • 8)

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

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	38. ± 4.2	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; Entropy estimated.; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	120.	J/mol*K	N/A	Hiraoka and Yamabe, 1991	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	3. ± 8.4	kJ/mol	TDAs	Hiraoka and Yamabe, 1991	gas phase; Entropy estimated.; B

+ Methyl Alcohol = ( • )

By formula: K⁺ + CH₄O = (K⁺ • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	91.6	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; switching reaction,n(K+)H2O; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	132.	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; switching reaction,n(K+)H2O; M

( • Methyl Alcohol ) + = ( • 2)

By formula: (K⁺ • CH₄O) + CH₄O = (K⁺ • 2CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	75.3	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	150.	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( • 2 Methyl Alcohol ) + = ( • 3)

By formula: (K⁺ • 2CH₄O) + CH₄O = (K⁺ • 3CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	60.7	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	120.	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( • 3 Methyl Alcohol ) + = ( • 4)

By formula: (K⁺ • 3CH₄O) + CH₄O = (K⁺ • 4CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	52.3	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	120.	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( • Methyl Alcohol • ) + = ( • 2 • )

By formula: (K⁺ • CH₄O • H₂O) + CH₄O = (K⁺ • 2CH₄O • H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	56.5	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	114.	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( • 2 Methyl Alcohol • ) + = ( • 3 • )

By formula: (K⁺ • 2CH₄O • H₂O) + CH₄O = (K⁺ • 3CH₄O • H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	52.3	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	107.	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( • ) + Methyl Alcohol = ( • • )

By formula: (K⁺ • H₂O) + CH₄O = (K⁺ • CH₄O • H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	82.0	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	136.	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; M

( • 2) + Methyl Alcohol = ( • • 2)

By formula: (K⁺ • 2H₂O) + CH₄O = (K⁺ • CH₄O • 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	69.5	kJ/mol	HPMS	Evans and Keesee, 1991	gas phase; switching reaction,n(K+)3H2O; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	129.	J/mol*K	HPMS	Evans and Keesee, 1991	gas phase; switching reaction,n(K+)3H2O; M

+ Methyl Alcohol = ( • )

By formula: Li⁺ + CH₄O = (Li⁺ • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	154. ± 7.9	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
Δ_rH°	159.	kJ/mol	ICR	Woodin and Beauchamp, 1978	gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Δ_rH°	160.	kJ/mol	ICR	Staley and Beauchamp, 1975	gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	110.	J/mol*K	N/A	Woodin and Beauchamp, 1978	gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	127.	kJ/mol	ICR	Woodin and Beauchamp, 1978	gas phase; switching reaction(Li+)H20, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M

+ Methyl Alcohol = ( • )

By formula: Mg⁺ + CH₄O = (Mg⁺ • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	145. ± 6.7	kJ/mol	CIDT	Andersen, Muntean, et al., 2000	RCD
Δ_rH°	260. ± 20.	kJ/mol	PDiss	Operti, Tews, et al., 1988	gas phase; M

( • Methyl Alcohol ) + = ( • 2)

By formula: (Mg⁺ • CH₄O) + CH₄O = (Mg⁺ • 2CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	120. ± 6.7	kJ/mol	CIDT	Andersen, Muntean, et al., 2000	RCD

( • 2 Methyl Alcohol ) + = ( • 3)

By formula: (Mg⁺ • 2CH₄O) + CH₄O = (Mg⁺ • 3CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	91.6 ± 8.8	kJ/mol	CIDT	Andersen, Muntean, et al., 2000	RCD

+ Methyl Alcohol = ( • )

By formula: NO₂^- + CH₄O = (NO₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	72.80 ± 0.84	kJ/mol	TDAs	Sieck, 1985	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	108.	J/mol*K	PHPMS	Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	40.6 ± 1.7	kJ/mol	TDAs	Sieck, 1985	gas phase; B

+ Methyl Alcohol = ( • )

By formula: Na⁺ + CH₄O = (Na⁺ • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	97.1 ± 5.4	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
Δ_rH°	91.6 ± 5.9	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
Δ_rH°	100. ± 0.8	kJ/mol	HPMS	Hoyau, Norrman, et al., 1999	RCD
Δ_rH°	111. ± 0.8	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	85800.	J/mol*K	HPMS	Hoyau, Norrman, et al., 1999	RCD
Δ_rS°	102.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

Free energy of reaction

Δ_rG° (kJ/mol)	T (K)	Method	Reference	Comment
72.4	298.	IMRE	McMahon and Ohanessian, 2000	Anchor alanine=39.89; RCD

( • Methyl Alcohol ) + = ( • 2)

By formula: (Na⁺ • CH₄O) + CH₄O = (Na⁺ • 2CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	85.8 ± 5.9	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
Δ_rH°	89.5 ± 6.7	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
Δ_rH°	85.8 ± 6.7	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
Δ_rH°	84.5 ± 0.8	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	90.8	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

( • 2 Methyl Alcohol ) + = ( • 3)

By formula: (Na⁺ • 2CH₄O) + CH₄O = (Na⁺ • 3CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	73. ± 2.	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	105.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

( • 3 Methyl Alcohol ) + = ( • 4)

By formula: (Na⁺ • 3CH₄O) + CH₄O = (Na⁺ • 4CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	65.7 ± 0.8	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	126.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

+ Methyl Alcohol = ( • )

By formula: O₂^- + CH₄O = (O₂^- • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	79.91	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	91.6	J/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	52.30	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( • Methyl Alcohol ) + = ( • 2)

By formula: (O₂^- • CH₄O) + CH₄O = (O₂^- • 2CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	64.9 ± 3.3	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	104.	J/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	33.9 ± 1.7	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

( • 2 Methyl Alcohol ) + = ( • 3)

By formula: (O₂^- • 2CH₄O) + CH₄O = (O₂^- • 3CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	56.5 ± 2.9	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	117.	J/mol*K	PHPMS	Yamdagni, Payzant, et al., 1973	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	21.8 ± 1.3	kJ/mol	TDAs	Yamdagni, Payzant, et al., 1973	gas phase; B

+ Methyl Alcohol = ( • )

By formula: Pb⁺ + CH₄O = (Pb⁺ • CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	97.5 ± 0.8	kJ/mol	HPMS	Guo and Castleman, 1990	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	97.5	J/mol*K	HPMS	Guo and Castleman, 1990	gas phase; M

( • Methyl Alcohol ) + = ( • 2)

By formula: (Pb⁺ • CH₄O) + CH₄O = (Pb⁺ • 2CH₄O)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	72. ± 1.	kJ/mol	HPMS	Guo and Castleman, 1990	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
Δ_rS°	111.	J/mol*K	HPMS	Guo and Castleman, 1990	gas phase; M

References

Go To: Top, Ion clustering data, Notes

Bogdanov, Peschke, et al., 1999
Bogdanov, B.; Peschke, M.; Tonner, D.S.; Szulejko, J.E.; McMahon, T.B., Stepwise solvation of halides by alcohol molecules in the gas phase, Int. J. Mass Spectrom., 1999, 187, 707-725, https://doi.org/10.1016/S1387-3806(98)14180-5 . [all data]

Hiraoka and Yamabe, 1991
Hiraoka, K.; Yamabe, S., Solvation of Halide Ions with CH3OH in the gas Phase, Int. J. Mass Spectrom. Ion Proc., 1991, 109, 133, https://doi.org/10.1016/0168-1176(91)85101-Q . [all data]

Tanabe, Morgon, et al., 1996
Tanabe, F.K.J.; Morgon, N.H.; Riveros, J.M., Relative Bromide and Iodide Affinity of Simple Solvent Molecules Determined by FT-ICR, J. Phys. Chem., 1996, 100, 8, 2862-2866, https://doi.org/10.1021/jp952290p . [all data]

Hiraoka, Mizure, et al., 1988
Hiraoka, K.; Mizure, S.; Yamabe, S.; Nakatsuji, Y., Gas Phase Clustering Reactions of CN^- and CH₂CN^- with MeCN, Chem. Phys. Lett., 1988, 148, 6, 497, https://doi.org/10.1016/0009-2614(88)80320-8 . [all data]

Meot-ner and Sieck, 1986
Meot-ner, M.; Sieck, L.W., Relative acidities of water and methanol, and the stabilities of the dimer adducts, J. Phys. Chem., 1986, 90, 6687. [all data]

Meot-Ner and Sieck, 1986
Meot-Ner, M.; Sieck, L.W., The ionic hydrogen bond and ion solvation. 5. OH...O^- bonds. Gas phase solvation and clustering of alkoxide and carboxylate anions, J. Am. Chem. Soc., 1986, 108, 7525. [all data]

Paul and Kebarle, 1990
Paul, G.J.C.; Kebarle, P., Thermodynamics of the Association Reactions OH- - H2O = HOHOH- and CH3O- - CH3OH = CH3OHOCH3- in the Gas Phase, J. Phys. Chem., 1990, 94, 12, 5184, https://doi.org/10.1021/j100375a076 . [all data]

Caldwell, Rozeboom, et al., 1984
Caldwell, G.; Rozeboom, M.D.; Kiplinger, J.P.; Bartmess, J.E., Anion-alcohol hydrogen bond strengths in the gas phase, J. Am. Chem. Soc., 1984, 106, 4660. [all data]

Moylan, Dodd, et al., 1985
Moylan, C.R.; Dodd, J.A.; Brauman, J.I., Electron photodetachment spectroscopy of Sslvated anions. A probe of structure and energetics, Chem. Phys. Lett., 1985, 118, 38. [all data]

Meot-Ner(Mautner), 1986
Meot-Ner(Mautner), M., Comparative Stabilities of Cationic and Anionic Hydrogen-Bonded Networks. Mixed Clusters of Water-Methanol, J. Am. Chem. Soc., 1986, 108, 20, 6189, https://doi.org/10.1021/ja00280a014 . [all data]

Mustanir, Matsuoka, et al., 2006
Mustanir; Matsuoka, M.; Mishima, M.; Koch, H., Stability of complexes of phenylacetylides and benzyl alkoxides with methanol in the gas phase. Acid-base correlation in the ionic hydrogen-bond strength, Bull. Chem. Soc. Japan, 2006, 79, 7, 1118-1125, https://doi.org/10.1246/bcsj.79.1118 . [all data]

MacKay and Bohme, 1978
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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