Water

Formula: H₂O
Molecular weight: 18.0153
IUPAC Standard InChI:
InChI=1S/H2O/h1H2

Download the identifier in a file.
IUPAC Standard InChIKey: XLYOFNOQVPJJNP-UHFFFAOYSA-N
CAS Registry Number: 7732-18-5
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: Water vapor; Distilled water; Ice; H2O; Dihydrogen oxide; steam; Tritiotope
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Ion clustering data

Go To: Top, References, Notes

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

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

+ Water = ( Water )

By formula: Ag⁺ + H₂O = (Ag⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	139.	kJ/mol	HPMS	Holland and Castleman, 1982	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	119.	J/mol*K	HPMS	Holland and Castleman, 1982	gas phase; M

( Water ) + Water = ( 2 Water )

By formula: (Ag⁺ H₂O) + H₂O = (Ag⁺ 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	106.	kJ/mol	HPMS	Holland and Castleman, 1982	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	93.3	J/mol*K	HPMS	Holland and Castleman, 1982	gas phase; M

( 2 Water ) + Water = ( 3 Water )

By formula: (Ag⁺ 2H₂O) + H₂O = (Ag⁺ 3H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	62.8	kJ/mol	HPMS	Holland and Castleman, 1982	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	90.4	J/mol*K	HPMS	Holland and Castleman, 1982	gas phase; M

( 3 Water ) + Water = ( 4 Water )

By formula: (Ag⁺ 3H₂O) + H₂O = (Ag⁺ 4H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	62.3	kJ/mol	HPMS	Holland and Castleman, 1982	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	123.	J/mol*K	HPMS	Holland and Castleman, 1982	gas phase; M

( 4 Water ) + Water = ( 5 Water )

By formula: (Ag⁺ 4H₂O) + H₂O = (Ag⁺ 5H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	57.3	kJ/mol	HPMS	Holland and Castleman, 1982	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	127.	J/mol*K	HPMS	Holland and Castleman, 1982	gas phase; M

( 5 Water ) + Water = ( 6 Water )

By formula: (Ag⁺ 5H₂O) + H₂O = (Ag⁺ 6H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	55.6	kJ/mol	HPMS	Holland and Castleman, 1982	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	135.	J/mol*K	HPMS	Holland and Castleman, 1982	gas phase; M

+ Water = ( Water )

By formula: Al⁺ + H₂O = (Al⁺ H₂O)

Enthalpy of reaction

_rH° (kJ/mol)	T (K)	Method	Reference	Comment
104. (+15.,-0.)		CID	Dalleska, Tjelta, et al., 1994	gas phase; guided ion beam CID, Al+ (3s2); M

( Water ) + Water = ( 2 Water )

By formula: (Al⁺ H₂O) + H₂O = (Al⁺ 2H₂O)

Enthalpy of reaction

_rH° (kJ/mol)	T (K)	Method	Reference	Comment
67.4 (+5.0,-0.)		CID	Dalleska, Tjelta, et al., 1994	gas phase; guided ion beam CID, Al+ (3s2); M

( 2 Water ) + Water = ( 3 Water )

By formula: (Al⁺ 2H₂O) + H₂O = (Al⁺ 3H₂O)

Enthalpy of reaction

_rH° (kJ/mol)	T (K)	Method	Reference	Comment
63.6 (+7.5,-0.)		CID	Dalleska, Tjelta, et al., 1994	gas phase; guided ion beam CID, Al+ (3s2); M

( 3 Water ) + Water = ( 4 Water )

By formula: (Al⁺ 3H₂O) + H₂O = (Al⁺ 4H₂O)

Enthalpy of reaction

_rH° (kJ/mol)	T (K)	Method	Reference	Comment
52.3 (+5.9,-0.)		CID	Dalleska, Tjelta, et al., 1994	gas phase; guided ion beam CID, Al+ (3s2); M

+ Water = ( Water )

By formula: Bi⁺ + H₂O = (Bi⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	95.4	kJ/mol	HPMS	Tang and Castleman, 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	113.	J/mol*K	HPMS	Tang and Castleman, 1974	gas phase; M

( Water ) + Water = ( 2 Water )

By formula: (Bi⁺ H₂O) + H₂O = (Bi⁺ 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	74.1	kJ/mol	HPMS	Tang and Castleman, 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	107.	J/mol*K	HPMS	Tang and Castleman, 1974	gas phase; M

( 2 Water ) + Water = ( 3 Water )

By formula: (Bi⁺ 2H₂O) + H₂O = (Bi⁺ 3H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	58.6	kJ/mol	HPMS	Tang and Castleman, 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	102.	J/mol*K	HPMS	Tang and Castleman, 1974	gas phase; M

( 3 Water ) + Water = ( 4 Water )

By formula: (Bi⁺ 3H₂O) + H₂O = (Bi⁺ 4H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	50.2	kJ/mol	HPMS	Tang and Castleman, 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	98.3	J/mol*K	HPMS	Tang and Castleman, 1974	gas phase; M

( 4 Water ) + Water = ( 5 Water )

By formula: (Bi⁺ 4H₂O) + H₂O = (Bi⁺ 5H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.9	kJ/mol	HPMS	Tang and Castleman, 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.0	J/mol*K	HPMS	Tang and Castleman, 1974	gas phase; M

( 5 Water ) + Water = ( 6 Water )

By formula: (Bi⁺ 5H₂O) + H₂O = (Bi⁺ 6H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.	kJ/mol	HPMS	Tang and Castleman, 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	98.7	J/mol*K	HPMS	Tang and Castleman, 1974	gas phase; M

+ Water = ( Water )

By formula: Br^- + H₂O = (Br^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	53.14	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
_rH°	49.0 ± 1.7	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
_rH°	52.72	kJ/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B,M
_rH°	53.1	kJ/mol	HPMS	Caldwell, Masucci, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	61.5	J/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
_rS°	77.0	J/mol*K	HPMS	Arshadi, Yamdagni, et al., 1970	gas phase; M
_rS°	82.8	J/mol*K	MS	Burdett and Hayhurst, 1982	gas phase; FLAME SOURCE, 1600 K; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	30.5 ± 3.3	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B
_rG°	29. ± 12.	kJ/mol	TDAs	Burdett and Hayhurst, 1982	gas phase; B
_rG°	29. ± 8.4	kJ/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B

( Water ) + Water = ( 2 Water )

By formula: (Br^- H₂O) + H₂O = (Br^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	48.5 ± 1.3	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
_rH°	51.04	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
_rH°	51.5 ± 4.2	kJ/mol	TDAs	Payzant, Yamdagni, et al., 1971	gas phase; B
_rH°	51.5 ± 4.2	kJ/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	75.3	J/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
_rS°	95.8	J/mol*K	HPMS	Arshadi, Yamdagni, et al., 1970	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	26. ± 4.2	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B
_rG°	23. ± 5.9	kJ/mol	TDAs	Payzant, Yamdagni, et al., 1971	gas phase; B
_rG°	22.6	kJ/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B
_rG°	24. ± 8.4	kJ/mol	TDAs	Kebarle, Arshadi, et al., 1968	gas phase; B,M

( 2 Water ) + Water = ( 3 Water )

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	47.7 ± 1.3	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
_rH°	28.9	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
_rH°	48.1 ± 4.2	kJ/mol	TDAs	Payzant, Yamdagni, et al., 1971	gas phase; B
_rH°	48.1 ± 4.2	kJ/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	94.1	J/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
_rS°	104.	J/mol*K	HPMS	Arshadi, Yamdagni, et al., 1970	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	20. ± 4.6	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B
_rG°	17. ± 5.9	kJ/mol	TDAs	Payzant, Yamdagni, et al., 1971	gas phase; B
_rG°	17.2	kJ/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B
_rG°	18. ± 8.4	kJ/mol	TDAs	Kebarle, Arshadi, et al., 1968	gas phase; B,M

( 3 Water ) + Water = ( 4 Water )

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.02 ± 0.84	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
_rH°	26. ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
_rH°	45.6 ± 4.2	kJ/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	110.	J/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
_rS°	112.	J/mol*K	HPMS	Arshadi, Yamdagni, et al., 1970	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	13.0 ± 2.9	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B
_rG°	12.1	kJ/mol	TDAs	Arshadi, Yamdagni, et al., 1970	gas phase; B
_rG°	14. ± 8.4	kJ/mol	TDAs	Kebarle, Arshadi, et al., 1968	gas phase; B,M

( 4 Water ) + Water = ( 5 Water )

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	45.2 ± 1.3	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
_rH°	26. ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
Quantity	Value	Units	Method	Reference	Comment
_rS°	119.	J/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	9.6 ± 5.0	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B

( 5 Water ) + Water = ( 6 Water )

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.1 ± 2.1	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B,M
_rH°	25. ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
Quantity	Value	Units	Method	Reference	Comment
_rS°	118.	J/mol*K	PHPMS	Hiraoka, Mizuse, et al., 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	7.5 ± 8.8	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; B

( 6 Water ) + Water = ( 7 Water )

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.84	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; Entropy estimated; B,M
_rH°	10. ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rS°	120.	J/mol*K	N/A	Hiraoka, Mizuse, et al., 1988	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	5.44	kJ/mol	TDAs	Hiraoka, Mizuse, et al., 1988	gas phase; Entropy estimated; B

( 7 Water ) + Water = ( 8 Water )

By formula: (Br^- 7H₂O) + H₂O = (Br^- 8H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	6.7 ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B

( 8 Water ) + Water = ( 9 Water )

By formula: (Br^- 8H₂O) + H₂O = (Br^- 9H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	3. ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B

( 9 Water ) + Water = ( 10 Water )

By formula: (Br^- 9H₂O) + H₂O = (Br^- 10H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	6.7 ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B

( 10 Water ) + Water = ( 11 Water )

By formula: (Br^- 10H₂O) + H₂O = (Br^- 11H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	6.7 ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B

( 11 Water ) + Water = ( 12 Water )

By formula: (Br^- 11H₂O) + H₂O = (Br^- 12H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	10. ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B

( 12 Water ) + Water = ( 13 Water )

By formula: (Br^- 12H₂O) + H₂O = (Br^- 13H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	7.5 ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B

( 13 Water ) + Water = ( 14 Water )

By formula: (Br^- 13H₂O) + H₂O = (Br^- 14H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	13. ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B

( 14 Water ) + Water = ( 15 Water )

By formula: (Br^- 14H₂O) + H₂O = (Br^- 15H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	-2. ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B

( 15 Water ) + Water = ( 16 Water )

By formula: (Br^- 15H₂O) + H₂O = (Br^- 16H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	9.6 ± 9.6	kJ/mol	N/A	Markovich, Pollack, et al., 1994	gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B

+ Water = ( Water )

By formula: CF₃⁺ + H₂O = (CF₃⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	19.	kJ/mol	HPMS	Bennet and Field, 1972	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	78.7	J/mol*K	HPMS	Bennet and Field, 1972	gas phase; M

CF₃O^- + Water = CH₂F₃O₂^-

By formula: CF₃O^- + H₂O = CH₂F₃O₂^-

Quantity	Value	Units	Method	Reference	Comment
_rG°	28. ± 4.2	kJ/mol	N/A	Amelynck, Van Bavel, et al., 2000	gas phase; B

CF₃O₃S^- + Water = (CF₃O₃S^- Water )

By formula: CF₃O₃S^- + H₂O = (CF₃O₃S^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	48.5 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	19.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

(CF₃O₃S^- Water ) + Water = (CF₃O₃S^- 2 Water )

By formula: (CF₃O₃S^- H₂O) + H₂O = (CF₃O₃S^- 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	45.2 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	15.9 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

+ Water = ( Water )

By formula: CHO₂^- + H₂O = (CHO₂^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	66.9 ± 4.2	kJ/mol	TDAs	Meot-Ner and Sieck, 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	96.2	J/mol*K	PHPMS	Meot-Ner and Sieck, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	38. ± 6.7	kJ/mol	TDAs	Meot-Ner and Sieck, 1986	gas phase; B
_rG°	35.1 ± 0.84	kJ/mol	N/A	Viidanoja, Reiner, et al., 2000	gas phase; B
_rG°	38.5 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( Water ) + Water = ( 2 Water )

By formula: (CHO₂^- H₂O) + H₂O = (CHO₂^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	57.7 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	28.5 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M
_rG°	28.9 ± 0.84	kJ/mol	N/A	Viidanoja, Reiner, et al., 2000	gas phase; B

( 2 Water ) + Water = ( 3 Water )

By formula: (CHO₂^- 2H₂O) + H₂O = (CHO₂^- 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	50.6 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	21.3 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M
_rG°	21.8 ± 0.84	kJ/mol	N/A	Viidanoja, Reiner, et al., 2000	gas phase; B

CHO₃^- + Water = CH₃O₄^-

By formula: CHO₃^- + H₂O = CH₃O₄^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	65.69 ± 0.84	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	35.6 ± 1.7	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B

(CH₂N⁺ ) + Water = (CH₂N⁺ Water )

By formula: (CH₂N⁺ CHN) + H₂O = (CH₂N⁺ H₂O CHN)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	84.1	kJ/mol	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	87.0	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M

CH₂N⁺ + Water = (CH₂N⁺ Water )

By formula: CH₂N⁺ + H₂O = (CH₂N⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	115.	kJ/mol	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
_rH°	124.	kJ/mol	ICR	Berman and Beauchamp, 1980	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	101.	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
_rS°	120.	J/mol*K	N/A	Berman and Beauchamp, 1980	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
87.9	300.	ICR	Berman and Beauchamp, 1980	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M

(CH₂N⁺ Water ) + Water = (CH₂N⁺ 2 Water )

By formula: (CH₂N⁺ H₂O CHN) + H₂O = (CH₂N⁺ 2H₂O CHN)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	70.7	kJ/mol	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	99.6	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M

(CH₂N⁺ Water ) + Water = (CH₂N⁺ 2 Water )

By formula: (CH₂N⁺ H₂O) + H₂O = (CH₂N⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	89.5	kJ/mol	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	106.	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M

(CH₂N⁺ 2 Water ) + Water = (CH₂N⁺ 3 Water )

By formula: (CH₂N⁺ 2H₂O) + H₂O = (CH₂N⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	72.0	kJ/mol	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	110.	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M

CH₂NO₅^- + Water + = CH₄NO₆^-

By formula: CH₂NO₅^- + H₂O + CH₂O₂ = CH₄NO₆^-

Quantity	Value	Units	Method	Reference	Comment
_rG°	18.4 ± 0.84	kJ/mol	IMRE	Viidanoja, Reiner, et al., 2000	gas phase; B

CH₂O₂S^- + 2 Water = CH₄O₃S^-

By formula: CH₂O₂S^- + 2H₂O = CH₄O₃S^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	44.8 ± 8.4	kJ/mol	N/A	Surber and Sanov, 2002	gas phase; Stated electron affinity is the Vertical Detachment Energy; B

CH₂O₄^- + 2 Water = CH₄O₅^-

By formula: CH₂O₄^- + 2H₂O = CH₄O₅^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.9 ± 2.1	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	20. ± 4.2	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B

+ Water = ( Water )

By formula: CH₃O⁺ + H₂O = (CH₃O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	119.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; switching reaction(H3O+)H2O; Davidson, Sunner J., et al., 1979, Lias, Liebman, et al., 1984; M
_rH°	117.	kJ/mol	ICR	Larson and McMahon, 1982	gas phase; switching reaction((CH3)2O)2H+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Yamdagni and Kebarle, 1976, Wolf, Staley, et al., 1977; M
_rH°	119.	kJ/mol	ICR	Berman and Beauchamp, 1980	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
_rH°	120.	kJ/mol	FA	Bohme, Mackay, et al., 1979	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
_rH°	120.	kJ/mol	FA	Fehsenfeld, Dotan, et al., 1978	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O; Lias, Liebman, et al., 1984, Meot-Ner (Mautner), 1992; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	113.	J/mol*K	N/A	Berman and Beauchamp, 1980	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
_rS°	113.	J/mol*K	N/A	Bohme, Mackay, et al., 1979	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
_rS°	112.	J/mol*K	FA	Fehsenfeld, Dotan, et al., 1978	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O; Lias, Liebman, et al., 1984, Meot-Ner (Mautner), 1992; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	85.4	kJ/mol	ICR	Berman and Beauchamp, 1980	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
_rG°	85.8	kJ/mol	FA	Bohme, Mackay, et al., 1979	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M

( Water ) + Water = ( 2 Water )

By formula: (CH₃O⁺ H₂O) + H₂O = (CH₃O⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	90.0	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	83.3	kJ/mol	FA	Bohme, Mackay, et al., 1979	gas phase; From thermochemical cycle,switching reaction(H3O+)2H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
_rH°	82.8	kJ/mol	FA	Fehsenfeld, Dotan, et al., 1978	gas phase; From thermochemical cycle,switching reaction(H3O+)2H2O; Lias, Liebman, et al., 1984, Meot-Ner (Mautner), 1992; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	113.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	110.	J/mol*K	N/A	Bohme, Mackay, et al., 1979	gas phase; From thermochemical cycle,switching reaction(H3O+)2H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
_rS°	110.	J/mol*K	FA	Fehsenfeld, Dotan, et al., 1978	gas phase; From thermochemical cycle,switching reaction(H3O+)2H2O; Lias, Liebman, et al., 1984, Meot-Ner (Mautner), 1992; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	50.6	kJ/mol	FA	Bohme, Mackay, et al., 1979	gas phase; From thermochemical cycle,switching reaction(H3O+)2H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M

( 2 Water ) + Water = ( 3 Water )

By formula: (CH₃O⁺ 2H₂O) + H₂O = (CH₃O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	73.6	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	70.7	kJ/mol	FA	Bohme, Mackay, et al., 1979	gas phase; From thermochemical cycle,switching reaction(H3O+)3H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
_rH°	71.1	kJ/mol	FA	Fehsenfeld, Dotan, et al., 1978	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O; Lias, Liebman, et al., 1984, Meot-Ner (Mautner), 1992; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	107.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	109.	J/mol*K	N/A	Bohme, Mackay, et al., 1979	gas phase; From thermochemical cycle,switching reaction(H3O+)3H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M
_rS°	109.	J/mol*K	FA	Fehsenfeld, Dotan, et al., 1978	gas phase; From thermochemical cycle,switching reaction(H3O+)H2O; Lias, Liebman, et al., 1984, Meot-Ner (Mautner), 1992; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	38.	kJ/mol	FA	Bohme, Mackay, et al., 1979	gas phase; From thermochemical cycle,switching reaction(H3O+)3H2O, Entropy change calculated or estimated; Lias, Liebman, et al., 1984, Fehsenfeld, Dotan, et al., 1978, Meot-Ner (Mautner), 1992; M

( 3 Water ) + Water = ( 4 Water )

By formula: (CH₃O⁺ 3H₂O) + H₂O = (CH₃O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.0	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	97.1	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

( 4 Water ) + Water = ( 5 Water )

By formula: (CH₃O⁺ 4H₂O) + H₂O = (CH₃O⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.4	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	94.6	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

( 5 Water ) + Water = ( 6 Water )

By formula: (CH₃O⁺ 5H₂O) + H₂O = (CH₃O⁺ 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	40.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	87.0	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

( 6 Water ) + Water = ( 7 Water )

By formula: (CH₃O⁺ 6H₂O) + H₂O = (CH₃O⁺ 7H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.8	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	108.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(CH₃O^- ) + Water = (CH₃O^- Water )

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	74.5	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	108.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₃O^- 2) + Water = (CH₃O^- Water 2)

By formula: (CH₃O^- 2CH₄O) + H₂O = (CH₃O^- H₂O 2CH₄O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	57.7	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	105.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

CH₃O^- + Water = (CH₃O^- Water )

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

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	106. ± 9.2	kJ/mol	CIDT	DeTuri and Ervin, 1999	gas phase; B
_rH°	100.	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M,B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.8	J/mol*K	PHPMS	Meot-ner and Sieck, 1986	gas phase; M
_rS°	95.8	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	71.1 ± 1.3	kJ/mol	TDAs	Meot-ner and Sieck, 1986	gas phase; B

Free energy of reaction

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

(CH₃O^- Water ) + Water = (CH₃O^- 2 Water )

By formula: (CH₃O^- H₂O CH₄O) + H₂O = (CH₃O^- 2H₂O CH₄O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	63.6	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	116.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₃O^- Water ) + Water = (CH₃O^- 2 Water )

By formula: (CH₃O^- H₂O) + H₂O = (CH₃O^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	80.3	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	106.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

Free energy of reaction

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

(CH₃O^- 2 Water ) + Water = (CH₃O^- 3 Water )

By formula: (CH₃O^- 2H₂O) + H₂O = (CH₃O^- 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.9	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	102.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
33.	296.	FA	MacKay and Bohme, 1978	gas phase; From thermochemical cycle,switching reaction(OH-)3H2O; Meot-Ner(Mautner), 1986; M

(CH₃O^- 3 Water ) + Water = (CH₃O^- 4 Water )

By formula: (CH₃O^- 3H₂O) + H₂O = (CH₃O^- 4H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.0	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	83.7	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

CH₃O₃S^- + Water = (CH₃O₃S^- Water )

By formula: CH₃O₃S^- + H₂O = (CH₃O₃S^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	58.2 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	28.9 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

(CH₃O₃S^- Water ) + Water = (CH₃O₃S^- 2 Water )

By formula: (CH₃O₃S^- H₂O) + H₂O = (CH₃O₃S^- 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.9 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	22.6 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

(CH₃O₃S^- 2 Water ) + Water = (CH₃O₃S^- 3 Water )

By formula: (CH₃O₃S^- 2H₂O) + H₂O = (CH₃O₃S^- 3H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	47.7 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	18.4 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

CH₃O₄^- + 2 Water = CH₅O₅^-

By formula: CH₃O₄^- + 2H₂O = CH₅O₅^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	62.34 ± 0.84	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	26. ± 4.2	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B

+ Water = ( Water )

By formula: CH₃S^- + H₂O = (CH₃S^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	62.76 ± 0.84	kJ/mol	TDAs	Sieck and Meot-ner, 1989	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	88.7	J/mol*K	PHPMS	Sieck and Meot-ner, 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	36.4 ± 2.9	kJ/mol	TDAs	Sieck and Meot-ner, 1989	gas phase; B

( Water ) + Water = ( 2 Water )

By formula: (CH₃S^- H₂O) + H₂O = (CH₃S^- 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.5	kJ/mol	PHPMS	Sieck and Meot-ner, 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	98.3	J/mol*K	PHPMS	Sieck and Meot-ner, 1989	gas phase; M

( 2 Water ) + Water = ( 3 Water )

By formula: (CH₃S^- 2H₂O) + H₂O = (CH₃S^- 3H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.4	kJ/mol	PHPMS	Sieck and Meot-ner, 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	85.8	J/mol*K	PHPMS	Sieck and Meot-ner, 1989	gas phase; M

( 3 Water ) + Water = ( 4 Water )

By formula: (CH₃S^- 3H₂O) + H₂O = (CH₃S^- 4H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	40.	kJ/mol	PHPMS	Sieck and Meot-ner, 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	80.3	J/mol*K	PHPMS	Sieck and Meot-ner, 1989	gas phase; M

CH₄NO⁺ + Water = (CH₄NO⁺ Water )

By formula: CH₄NO⁺ + H₂O = (CH₄NO⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	88.7	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	89.1	kJ/mol	PHPMS	Meot-Ner, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	114.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	114.	J/mol*K	PHPMS	Meot-Ner, 1984	gas phase; M

(CH₄NO⁺ Water ) + Water = (CH₄NO⁺ 2 Water )

By formula: (CH₄NO⁺ H₂O) + H₂O = (CH₄NO⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	58.6	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	58.6	kJ/mol	PHPMS	Meot-Ner, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.4	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	95.0	J/mol*K	PHPMS	Meot-Ner, 1984	gas phase; M

(CH₄NO⁺ 2 Water ) + Water = (CH₄NO⁺ 3 Water )

By formula: (CH₄NO⁺ 2H₂O) + H₂O = (CH₄NO⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	49.4	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	49.4	kJ/mol	PHPMS	Meot-Ner, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	87.9	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	87.9	J/mol*K	PHPMS	Meot-Ner, 1984	gas phase; M

(CH₄NO⁺ 3 Water ) + Water = (CH₄NO⁺ 4 Water )

By formula: (CH₄NO⁺ 3H₂O) + H₂O = (CH₄NO⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	41.	kJ/mol	PHPMS	Meot-Ner, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.5	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	84.5	J/mol*K	PHPMS	Meot-Ner, 1984	gas phase; M

(CH₄NO⁺ 4 Water ) + Water = (CH₄NO⁺ 5 Water )

By formula: (CH₄NO⁺ 4H₂O) + H₂O = (CH₄NO⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	41.	kJ/mol	PHPMS	Meot-Ner, 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	107.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	107.	J/mol*K	PHPMS	Meot-Ner, 1984	gas phase; M

CH₄O₅^- + 3 Water = CH₆O₆^-

By formula: CH₄O₅^- + 3H₂O = CH₆O₆^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.8 ± 3.3	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	14. ± 4.2	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B

(CH₅O⁺ ) + Water = (CH₅O⁺ Water )

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	77.0	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	108.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₅O⁺ 3) + Water = (CH₅O⁺ Water 3)

By formula: (CH₅O⁺ 3CH₄O) + H₂O = (CH₅O⁺ H₂O 3CH₄O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	50.6	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	113.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₅O⁺ 4) + Water = (CH₅O⁺ Water 4)

By formula: (CH₅O⁺ 4CH₄O) + H₂O = (CH₅O⁺ H₂O 4CH₄O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.8	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	99.6	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

CH₅O⁺ + Water = (CH₅O⁺ Water )

By formula: CH₅O⁺ + H₂O = (CH₅O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	115.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	100.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	123.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	96.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(CH₅O⁺ Water 2) + Water = (CH₅O⁺ 2 Water 2)

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	49.4	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	107.	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₅O⁺ Water 3) + Water = (CH₅O⁺ 2 Water 3)

By formula: (CH₅O⁺ H₂O 3CH₄O) + H₂O = (CH₅O⁺ 2H₂O 3CH₄O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	36.	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	79.5	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₅O⁺ 2 Water ) + Water = (CH₅O⁺ 3 Water )

By formula: (CH₅O⁺ 2H₂O CH₄O) + H₂O = (CH₅O⁺ 3H₂O CH₄O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.9	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	96.2	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₅O⁺ 2 Water 2) + Water = (CH₅O⁺ 3 Water 2)

By formula: (CH₅O⁺ 2H₂O 2CH₄O) + H₂O = (CH₅O⁺ 3H₂O 2CH₄O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	38.	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.5	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₅O⁺ 2 Water 3) + Water = (CH₅O⁺ 3 Water 3)

By formula: (CH₅O⁺ 2H₂O 3CH₄O) + H₂O = (CH₅O⁺ 3H₂O 3CH₄O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	38.	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	92.	J/mol*K	N/A	Meot-Ner(Mautner), 1986	gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

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

(CH₅O⁺ 3 Water ) + Water = (CH₅O⁺ 4 Water )

By formula: (CH₅O⁺ 3H₂O CH₄O) + H₂O = (CH₅O⁺ 4H₂O CH₄O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.5	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	98.3	J/mol*K	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n; M

(CH₅O⁺ 3 Water 2) + Water = (CH₅O⁺ 4 Water 2)

By formula: (CH₅O⁺ 3H₂O 2CH₄O) + H₂O = (CH₅O⁺ 4H₂O 2CH₄O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	39.	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	92.	J/mol*K	N/A	Meot-Ner(Mautner), 1986	gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

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

(CH₅O⁺ 4 Water ) + Water = (CH₅O⁺ 5 Water )

By formula: (CH₅O⁺ 4H₂O CH₄O) + H₂O = (CH₅O⁺ 5H₂O CH₄O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	39.	kJ/mol	PHPMS	Meot-Ner(Mautner), 1986	gas phase; n, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	92.	J/mol*K	N/A	Meot-Ner(Mautner), 1986	gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

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

(CH₅O⁺ Water ) + Water = (CH₅O⁺ 2 Water )

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	82.8	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	87.9	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	114.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	121.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(CH₅O⁺ 2 Water ) + Water = (CH₅O⁺ 3 Water )

By formula: (CH₅O⁺ 2H₂O) + H₂O = (CH₅O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	59.0	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	61.9	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	105.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	108.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(CH₅O⁺ 3 Water ) + Water = (CH₅O⁺ 4 Water )

By formula: (CH₅O⁺ 3H₂O) + H₂O = (CH₅O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	48.5	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	48.5	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	96.2	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	92.5	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(CH₅O⁺ 4 Water ) + Water = (CH₅O⁺ 5 Water )

By formula: (CH₅O⁺ 4H₂O) + H₂O = (CH₅O⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	38.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	86.6	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	77.4	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(CH₅O⁺ 5 Water ) + Water = (CH₅O⁺ 6 Water )

By formula: (CH₅O⁺ 5H₂O) + H₂O = (CH₅O⁺ 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	37.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	39.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.5	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	92.9	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(CH₅O⁺ 6 Water ) + Water = (CH₅O⁺ 7 Water )

By formula: (CH₅O⁺ 6H₂O) + H₂O = (CH₅O⁺ 7H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	37.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	92.	J/mol*K	N/A	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
13.	269.	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

CH₅O₂^- + 2 Water = CH₇O₃^-

By formula: CH₅O₂^- + 2H₂O = CH₇O₃^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	80.3 ± 4.2	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	49.0 ± 2.1	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B

CH₅O₅^- + 3 Water = CH₇O₆^-

By formula: CH₅O₅^- + 3H₂O = CH₇O₆^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.9 ± 1.3	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	19. ± 4.2	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B

CH₅S⁺ + Water = (CH₅S⁺ Water )

By formula: CH₅S⁺ + H₂O = (CH₅S⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	64.9	kJ/mol	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; Entropy change calculated or estimated; M
_rH°	56.5	kJ/mol	ICR	Berman and Beauchamp, 1986	gas phase; bracketing; Lias, Liebman, et al., 1984; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	92.	J/mol*K	N/A	Meot-Ner (Mautner) and Sieck, 1985	gas phase; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
22.	476.	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; Entropy change calculated or estimated; M

CH₆N⁺ + Water = (CH₆N⁺ Water )

By formula: CH₆N⁺ + H₂O = (CH₆N⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	70.3	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	78.7	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
_rH°	78.7	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	91.2	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	110.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M
_rS°	110.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	44.8	kJ/mol	HPMS	Banic and Iribarne, 1985	gas phase; electric fields; M

(CH₆N⁺ Water ) + Water = (CH₆N⁺ 2 Water )

By formula: (CH₆N⁺ H₂O) + H₂O = (CH₆N⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.1	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	61.1	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
_rH°	61.1	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	101.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	112.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M
_rS°	112.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	31.	kJ/mol	HPMS	Banic and Iribarne, 1985	gas phase; electric fields; M

(CH₆N⁺ 2 Water ) + Water = (CH₆N⁺ 3 Water )

By formula: (CH₆N⁺ 2H₂O) + H₂O = (CH₆N⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.5	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	51.9	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
_rH°	51.9	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	101.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	110.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M
_rS°	110.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	22.	kJ/mol	HPMS	Banic and Iribarne, 1985	gas phase; electric fields; M

(CH₆N⁺ 3 Water ) + Water = (CH₆N⁺ 4 Water )

By formula: (CH₆N⁺ 3H₂O) + H₂O = (CH₆N⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.1	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	92.0	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(CH₆N⁺ 4 Water ) + Water = (CH₆N⁺ 5 Water )

By formula: (CH₆N⁺ 4H₂O) + H₂O = (CH₆N⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	38.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	85.4	J/mol*K	N/A	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
15.	269.	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

(CH₆N⁺ 5 Water ) + Water = (CH₆N⁺ 6 Water )

By formula: (CH₆N⁺ 5H₂O) + H₂O = (CH₆N⁺ 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	36.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	87.4	J/mol*K	N/A	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
13.	259.	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

CH₇O₃^- + 3 Water = CH₉O₄^-

By formula: CH₇O₃^- + 3H₂O = CH₉O₄^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.9 ± 4.2	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	31.4 ± 2.1	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B

CH₇O₆^- + 4 Water = CH₉O₇^-

By formula: CH₇O₆^- + 4H₂O = CH₉O₇^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.1 ± 3.8	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	14. ± 4.2	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B

CH₉O₄^- + 4 Water = CH₁₁O₅^-

By formula: CH₉O₄^- + 4H₂O = CH₁₁O₅^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.0 ± 4.2	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	21.3 ± 2.1	kJ/mol	TDAs	Meot-Ner(Mautner), 1986	gas phase; B

(CN^- ) + Water = (CN^- Water )

By formula: (CN^- CHN) + H₂O = (CN^- H₂O CHN)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.9 ± 4.2	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	82.4	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	27. ± 5.9	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; B

(CN^- 2) + Water = (CN^- Water 2)

By formula: (CN^- 2CHN) + H₂O = (CN^- H₂O 2CHN)

Quantity	Value	Units	Method	Reference	Comment
_rH°	32. ± 4.2	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	52.3	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	17. ± 5.9	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; B

(CN^- 3) + Water = (CN^- Water 3)

By formula: (CN^- 3CHN) + H₂O = (CN^- H₂O 3CHN)

Quantity	Value	Units	Method	Reference	Comment
_rH°	39. ± 4.2	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Entropy estimated; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	14. ± 5.9	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Entropy estimated; B

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
18.	262.	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M

CN^- + Water = (CN^- Water )

By formula: CN^- + H₂O = (CN^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	53.1 ± 3.3	kJ/mol	TDAs	Larson, Szulejko, et al., 1988	gas phase; B,M
_rH°	61.1 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B,B,M,M
_rH°	57.74	kJ/mol	TDAs	Payzant, Yamdagni, et al., 1971	gas phase; B,M
_rH°	61.1	kJ/mol	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	82.0	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
_rS°	75.	J/mol*K	PHPMS	Larson, Szulejko, et al., 1988	gas phase; M
_rS°	82.0	J/mol*K	PHPMS	Meot-ner, 1988, 2	gas phase; M
_rS°	82.0	J/mol*K	PHPMS	Meot-ner, 1988	gas phase; M
_rS°	82.8	J/mol*K	HPMS	Payzant, Yamdagni, et al., 1971	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	30.5 ± 0.84	kJ/mol	TDAs	Larson, Szulejko, et al., 1988	gas phase; B
_rG°	36. ± 4.2	kJ/mol	TDAs	Meot-ner, 1988, 2	gas phase; B
_rG°	36. ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B
_rG°	33.1	kJ/mol	TDAs	Payzant, Yamdagni, et al., 1971	gas phase; B

(CN^- Water ) + Water = (CN^- 2 Water )

By formula: (CN^- H₂O CHN) + H₂O = (CN^- 2H₂O CHN)

Quantity	Value	Units	Method	Reference	Comment
_rH°	40. ± 4.2	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	73.2	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	18. ± 5.9	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; B

(CN^- Water 2) + Water = (CN^- 2 Water 2)

By formula: (CN^- H₂O 2CHN) + H₂O = (CN^- 2H₂O 2CHN)

Quantity	Value	Units	Method	Reference	Comment
_rH°	37. ± 4.2	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Entropy estimated; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	12. ± 5.9	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Entropy estimated; B

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
15.	262.	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M

(CN^- 2 Water ) + Water = (CN^- 3 Water )

By formula: (CN^- 2H₂O CHN) + H₂O = (CN^- 3H₂O CHN)

Quantity	Value	Units	Method	Reference	Comment
_rH°	36. ± 4.2	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Entropy estimated; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	10. ± 5.9	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Entropy estimated; B

(CN^- Water ) + Water = (CN^- 2 Water )

By formula: (CN^- H₂O) + H₂O = (CN^- 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	49.0 ± 4.2	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; B,M
_rH°	49.0	kJ/mol	PHPMS	Meot-ner, 1988, 2	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	75.7	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
_rS°	75.7	J/mol*K	PHPMS	Meot-ner, 1988, 2	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	26. ± 5.9	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; B

(CN^- 2 Water ) + Water = (CN^- 3 Water )

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	44.8 ± 4.2	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Stated EA is Vertical Detachment Energy, at 12 K. At 298 K, measured Vertical Detachment Energy = 5.50±0.10 eV; B,M
_rH°	44.8	kJ/mol	PHPMS	Meot-ner, 1988, 2	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	82.8	J/mol*K	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n; M
_rS°	82.8	J/mol*K	PHPMS	Meot-ner, 1988, 2	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	33. ± 5.9	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Stated EA is Vertical Detachment Energy, at 12 K. At 298 K, measured Vertical Detachment Energy = 5.50±0.10 eV; B

(CN^- 3 Water ) + Water = (CN^- 4 Water )

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	41. ± 4.2	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Entropy estimated; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.	J/mol*K	N/A	Meot-Ner (Mautner) and Speller, 1989	gas phase; n, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	16. ± 5.9	kJ/mol	TDAs	Meot-Ner (Mautner) M. and Speller, 1989	gas phase; Entropy estimated; B

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
19.	262.	PHPMS	Meot-Ner (Mautner) and Speller, 1989	gas phase; n, Entropy change calculated or estimated; M

CO₃^- + Water = CH₂O₄^-

By formula: CO₃^- + H₂O = CH₂O₄^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	58.99 ± 0.84	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B
_rH°	48.1 ± 4.2	kJ/mol	IMRE	Fehsenfeld and Ferguson, 1974	gas phase; B
_rH°	<161.1	kJ/mol	PDis	Smith, Lee, et al., 1978	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	27.6 ± 1.7	kJ/mol	TDAs	Keesee, Lee, et al., 1979	gas phase; B
_rG°	28.0 ± 1.7	kJ/mol	IMRE	Fehsenfeld and Ferguson, 1974	gas phase; B

CO₃^- + Water = (CO₃^- Water )

By formula: CO₃^- + H₂O = (CO₃^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	59.0	kJ/mol	HPMS	Keesee, Lee, et al., 1979	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	105.	J/mol*K	HPMS	Keesee, Lee, et al., 1979	gas phase; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
28.	296.	FA	Fehsenfeld and Ferguson, 1974	gas phase; M

(CO₃^- Water ) + Water = (CO₃^- 2 Water )

By formula: (CO₃^- H₂O) + H₂O = (CO₃^- 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.9	kJ/mol	HPMS	Keesee, Lee, et al., 1979	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	124.	J/mol*K	HPMS	Keesee, Lee, et al., 1979	gas phase; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
18.	296.	FA	Fehsenfeld and Ferguson, 1974	gas phase; M

(CO₃^- 2 Water ) + Water = (CO₃^- 3 Water )

By formula: (CO₃^- 2H₂O) + H₂O = (CO₃^- 3H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.8	kJ/mol	HPMS	Keesee, Lee, et al., 1979	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	136.	J/mol*K	HPMS	Keesee, Lee, et al., 1979	gas phase; M

C₂Cl₃O₂^- + Water = (C₂Cl₃O₂^- Water )

By formula: C₂Cl₃O₂^- + H₂O = (C₂Cl₃O₂^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rG°	24.	kJ/mol	ES/HPMS	Blades, Klassen, et al., 1995	gas phase; M

+ Water = ( Water )

By formula: C₂F₃O₂^- + H₂O = (C₂F₃O₂^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	57.7 ± 6.3	kJ/mol	N/A	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
_rH°	57.3 ± 4.2	kJ/mol	N/A	Meot-Ner and Sieck, 1986	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	100.	J/mol*K	PHPMS	Meot-Ner and Sieck, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	28.5 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M
_rG°	27. ± 6.7	kJ/mol	TDAs	Meot-Ner and Sieck, 1986	gas phase; B

( Water ) + Water = ( 2 Water )

By formula: (C₂F₃O₂^- H₂O) + H₂O = (C₂F₃O₂^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	49.0 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	19.7 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

C₂H^- + Water = (C₂H^- Water )

By formula: C₂H^- + H₂O = (C₂H^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	67.8 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	77.8	J/mol*K	PHPMS	Meot-ner, 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	44.4 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B

C₂HCl₂O₂^- + Water = (C₂HCl₂O₂^- Water )

By formula: C₂HCl₂O₂^- + H₂O = (C₂HCl₂O₂^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	57.7 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	28.5 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

(C₂HCl₂O₂^- Water ) + Water = (C₂HCl₂O₂^- 2 Water )

By formula: (C₂HCl₂O₂^- H₂O) + H₂O = (C₂HCl₂O₂^- 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	49.8 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	20.5 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

C₂HF₂O₂^- + Water = (C₂HF₂O₂^- Water )

By formula: C₂HF₂O₂^- + H₂O = (C₂HF₂O₂^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	60.7 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	31.4 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(C₂HF₂O₂^- Water ) + Water = (C₂HF₂O₂^- 2 Water )

By formula: (C₂HF₂O₂^- H₂O) + H₂O = (C₂HF₂O₂^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.5 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	22.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

C₂HO₄^- + Water = (C₂HO₄^- Water )

By formula: C₂HO₄^- + H₂O = (C₂HO₄^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rG°	26.	kJ/mol	ES/HPMS	Blades, Klassen, et al., 1995	gas phase; M

+ Water = ( Water )

By formula: C₂H₂ClO₂^- + H₂O = (C₂H₂ClO₂^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.5 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	32.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

+ Water = ( Water )

By formula: C₂H₂FO₂^- + H₂O = (C₂H₂FO₂^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	64.0 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	34.7 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( Water ) + Water = ( 2 Water )

By formula: (C₂H₂FO₂^- H₂O) + H₂O = (C₂H₂FO₂^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.0 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	24.7 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( 2 Water ) + Water = ( 3 Water )

By formula: (C₂H₂FO₂^- 2H₂O) + H₂O = (C₂H₂FO₂^- 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	48.5 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	19.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

C₂H₂F₃O₂⁺ + Water = (C₂H₂F₃O₂⁺ Water )

By formula: C₂H₂F₃O₂⁺ + H₂O = (C₂H₂F₃O₂⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	118.	kJ/mol	ICR	Larson and McMahon, 1982	gas phase; From thermochemical cycle(H3O+)H2O, Entropy change calculated or estimated; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	97.5	J/mol*K	N/A	Larson and McMahon, 1982	gas phase; From thermochemical cycle(H3O+)H2O, Entropy change calculated or estimated; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
89.5	309.	ICR	Larson and McMahon, 1982	gas phase; From thermochemical cycle(H3O+)H2O, Entropy change calculated or estimated; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

+ Water = ( Water )

By formula: C₂H₂IO₂^- + H₂O = (C₂H₂IO₂^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	59.4 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	30.1 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( Water ) + Water = ( 2 Water )

By formula: (C₂H₂IO₂^- H₂O) + H₂O = (C₂H₂IO₂^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.5 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	22.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( 2 Water ) + Water = ( 3 Water )

By formula: (C₂H₂IO₂^- 2H₂O) + H₂O = (C₂H₂IO₂^- 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	47.3 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	18.0 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

C₂H₂N^- + Water = (C₂H₂N^- Water )

By formula: C₂H₂N^- + H₂O = (C₂H₂N^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	55.2 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	73.6	J/mol*K	PHPMS	Meot-ner, 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	33. ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B

C₂H₂O⁺ + Water = (C₂H₂O⁺ Water )

By formula: C₂H₂O⁺ + H₂O = (C₂H₂O⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	48.5	kJ/mol	EI	Postma, Ruttink, et al., 1986	gas phase; based on AE(CH2CO+)H2O from (HOCH2)2CO+; M

C₂H₃O⁺ + Water = (C₂H₃O⁺ Water )

By formula: C₂H₃O⁺ + H₂O = (C₂H₃O⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	103.	kJ/mol	HPMS	Davidson, Lau, et al., 1978	gas phase; forms CH3COOH2+; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	138.	J/mol*K	HPMS	Davidson, Lau, et al., 1978	gas phase; forms CH3COOH2+; M

C₂H₃O^- + Water = (C₂H₃O^- Water )

By formula: C₂H₃O^- + H₂O = (C₂H₃O^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	64.4 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B,M
Quantity	Value	Units	Method	Reference	Comment
_rS°	81.6	J/mol*K	PHPMS	Meot-ner, 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	40. ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B

( ) + Water = ( Water )

By formula: (C₂H₃O₂^- C₆H₁₁NO₃) + H₂O = (C₂H₃O₂^- H₂O C₆H₁₁NO₃)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	55.2	kJ/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	106.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M

+ Water = ( Water )

By formula: C₂H₃O₂^- + H₂O = (C₂H₃O₂^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	68.6 ± 3.3	kJ/mol	TDAs	Wincel, 2008	gas phase; B
_rH°	66.5 ± 4.2	kJ/mol	N/A	Meot-ner, Elmore, et al., 1999	gas phase; B
_rH°	66.9 ± 4.2	kJ/mol	N/A	Meot-Ner and Sieck, 1986	gas phase; B,M
_rH°	68.6 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
_rH°	66.1	kJ/mol	PHPMS	Meot-ner, 1988, 2	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.9	J/mol*K	PHPMS	Meot-ner, 1988, 2	gas phase; M
_rS°	94.1	J/mol*K	PHPMS	Meot-Ner and Sieck, 1986	gas phase; ion given as C2H3COO- in paper by error; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	38. ± 5.9	kJ/mol	N/A	Wincel, 2008	gas phase; B
_rG°	39.8	kJ/mol	TDAs	Meot-ner, Elmore, et al., 1999	gas phase; B
_rG°	39. ± 6.7	kJ/mol	TDAs	Meot-Ner and Sieck, 1986	gas phase; B
_rG°	39.3 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( Water ) + Water = ( 2 Water )

By formula: (C₂H₃O₂^- H₂O) + H₂O = (C₂H₃O₂^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.0 ± 4.2	kJ/mol	N/A	Meot-ner, Elmore, et al., 1999	gas phase; B
_rH°	57.7 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
_rH°	53.6	kJ/mol	PHPMS	Meot-ner, 1988, 2	gas phase; M
_rH°	54.0	kJ/mol	PHPMS	Meot-Ner and Sieck, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	79.9	J/mol*K	PHPMS	Meot-ner, 1988, 2	gas phase; M
_rS°	85.8	J/mol*K	PHPMS	Meot-Ner and Sieck, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	29.3	kJ/mol	TDAs	Meot-ner, Elmore, et al., 1999	gas phase; B
_rG°	28.5 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( 2 Water ) + Water = ( 3 Water )

By formula: (C₂H₃O₂^- 2H₂O) + H₂O = (C₂H₃O₂^- 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	49.4 ± 4.2	kJ/mol	N/A	Meot-ner, Elmore, et al., 1999	gas phase; B
_rH°	51.0 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
_rH°	49.4	kJ/mol	PHPMS	Meot-ner, 1988, 2	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.	J/mol*K	N/A	Meot-ner, 1988, 2	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	24.4	kJ/mol	TDAs	Meot-ner, Elmore, et al., 1999	gas phase; B
_rG°	21.8 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M
_rG°	25.	kJ/mol	PHPMS	Meot-ner, 1988, 2	gas phase; Entropy change calculated or estimated; M

C₂H₄F₃O⁺ + Water = (C₂H₄F₃O⁺ Water )

By formula: C₂H₄F₃O⁺ + H₂O = (C₂H₄F₃O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	128.	kJ/mol	ICR	Larson and McMahon, 1982	gas phase; switching reaction(H3O+)H2O, Entropy change calculated or estimated; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	99.6	J/mol*K	N/A	Larson and McMahon, 1982	gas phase; switching reaction(H3O+)H2O, Entropy change calculated or estimated; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
97.9	309.	ICR	Larson and McMahon, 1982	gas phase; switching reaction(H3O+)H2O, Entropy change calculated or estimated; Cunningham, Payzant, et al., 1972, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

(C₂H₄N⁺ ) + Water = (C₂H₄N⁺ Water )

By formula: (C₂H₄N⁺ C₂H₃N) + H₂O = (C₂H₄N⁺ H₂O C₂H₃N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	66.5	kJ/mol	PHPMS	Deakyne, Meot-Ner (Mautner), et al., 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	103.	J/mol*K	PHPMS	Deakyne, Meot-Ner (Mautner), et al., 1986	gas phase; n; M

C₂H₄N⁺ + Water = (C₂H₄N⁺ Water )

By formula: C₂H₄N⁺ + H₂O = (C₂H₄N⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	92.5 ± 5.9	kJ/mol	CID	Honma, Sunderlin, et al., 1993	gas phase; guided ion beam CID; M
_rH°	95.4	kJ/mol	PHPMS	Speller and Meot-Ner (Mautner), 1985	gas phase; M
_rH°	104.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	103.	J/mol*K	PHPMS	Speller and Meot-Ner (Mautner), 1985	gas phase; M
_rS°	119.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₄N⁺ Water ) + Water = (C₂H₄N⁺ 2 Water )

By formula: (C₂H₄N⁺ H₂O C₂H₃N) + H₂O = (C₂H₄N⁺ 2H₂O C₂H₃N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	64.0	kJ/mol	PHPMS	Deakyne, Meot-Ner (Mautner), et al., 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	105.	J/mol*K	PHPMS	Deakyne, Meot-Ner (Mautner), et al., 1986	gas phase; n; M

(C₂H₄N⁺ Water 2) + Water = (C₂H₄N⁺ 2 Water 2)

By formula: (C₂H₄N⁺ H₂O 2C₂H₃N) + H₂O = (C₂H₄N⁺ 2H₂O 2C₂H₃N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.	kJ/mol	PHPMS	Deakyne, Meot-Ner (Mautner), et al., 1986	gas phase; n, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	92.	J/mol*K	N/A	Deakyne, Meot-Ner (Mautner), et al., 1986	gas phase; n, Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
12.	316.	PHPMS	Deakyne, Meot-Ner (Mautner), et al., 1986	gas phase; n, Entropy change calculated or estimated; M

(C₂H₄N⁺ 2 Water ) + Water = (C₂H₄N⁺ 3 Water )

By formula: (C₂H₄N⁺ 2H₂O C₂H₃N) + H₂O = (C₂H₄N⁺ 3H₂O C₂H₃N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.1	kJ/mol	PHPMS	Deakyne, Meot-Ner (Mautner), et al., 1986	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	93.3	J/mol*K	PHPMS	Deakyne, Meot-Ner (Mautner), et al., 1986	gas phase; n; M

(C₂H₄N⁺ Water ) + Water = (C₂H₄N⁺ 2 Water )

By formula: (C₂H₄N⁺ H₂O) + H₂O = (C₂H₄N⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	62.8 ± 7.1	kJ/mol	CID	Honma, Sunderlin, et al., 1993	gas phase; guided ion beam CID; M
_rH°	73.2	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	105.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₄N⁺ 2 Water ) + Water = (C₂H₄N⁺ 3 Water )

By formula: (C₂H₄N⁺ 2H₂O) + H₂O = (C₂H₄N⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	65.3	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	104.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₄N⁺ 3 Water ) + Water = (C₂H₄N⁺ 4 Water )

By formula: (C₂H₄N⁺ 3H₂O) + H₂O = (C₂H₄N⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.9	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	91.2	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₄N⁺ 4 Water ) + Water = (C₂H₄N⁺ 5 Water )

By formula: (C₂H₄N⁺ 4H₂O) + H₂O = (C₂H₄N⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.5	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	97.9	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₄N⁺ 5 Water ) + Water = (C₂H₄N⁺ 6 Water )

By formula: (C₂H₄N⁺ 5H₂O) + H₂O = (C₂H₄N⁺ 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	42.3	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	107.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

C₂H₄NO₂^- + Water = C₂H₆NO₃^-

By formula: C₂H₄NO₂^- + H₂O = C₂H₆NO₃^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	72.5 ± 2.1	kJ/mol	TDAs	Nieckarz, Atkins, et al., 2008	gas phase; B
_rH°	66.9 ± 1.3	kJ/mol	N/A	Wincel, 2008	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	39. ± 4.2	kJ/mol	TDAs	Nieckarz, Atkins, et al., 2008	gas phase; B
_rG°	34.3 ± 1.7	kJ/mol	TDAs	Wincel, 2008	gas phase; B

C₂H₄NO₅^- + Water + = C₂H₆NO₆^-

By formula: C₂H₄NO₅^- + H₂O + C₂H₄O₂ = C₂H₆NO₆^-

Quantity	Value	Units	Method	Reference	Comment
_rG°	19.2 ± 0.84	kJ/mol	IMRE	Viidanoja, Reiner, et al., 2000	gas phase; B

C₂H₅F₂O⁺ + Water = (C₂H₅F₂O⁺ Water )

By formula: C₂H₅F₂O⁺ + H₂O = (C₂H₅F₂O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	100.	kJ/mol	ICR	Berman and Beauchamp, 1986	gas phase; bracketing; Lias, Liebman, et al., 1984; M

C₂H₅F₃N⁺ + Water = (C₂H₅F₃N⁺ Water )

By formula: C₂H₅F₃N⁺ + H₂O = (C₂H₅F₃N⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	88.3	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	126.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M

(C₂H₅F₃N⁺ Water ) + Water = (C₂H₅F₃N⁺ 2 Water )

By formula: (C₂H₅F₃N⁺ H₂O) + H₂O = (C₂H₅F₃N⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	72.4	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	125.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M

(C₂H₅F₃N⁺ 2 Water ) + Water = (C₂H₅F₃N⁺ 3 Water )

By formula: (C₂H₅F₃N⁺ 2H₂O) + H₂O = (C₂H₅F₃N⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	59.4	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	122.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M

C₂H₅O⁺ + Water = (C₂H₅O⁺ Water )

By formula: C₂H₅O⁺ + H₂O = (C₂H₅O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	105.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	115.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O⁺ Water ) + Water = (C₂H₅O⁺ 2 Water )

By formula: (C₂H₅O⁺ H₂O) + H₂O = (C₂H₅O⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	70.3	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	105.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O⁺ 2 Water ) + Water = (C₂H₅O⁺ 3 Water )

By formula: (C₂H₅O⁺ 2H₂O) + H₂O = (C₂H₅O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	71.1	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	117.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O⁺ 3 Water ) + Water = (C₂H₅O⁺ 4 Water )

By formula: (C₂H₅O⁺ 3H₂O) + H₂O = (C₂H₅O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	47.3	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	89.5	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O⁺ 4 Water ) + Water = (C₂H₅O⁺ 5 Water )

By formula: (C₂H₅O⁺ 4H₂O) + H₂O = (C₂H₅O⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	39.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	78.7	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O⁺ 5 Water ) + Water = (C₂H₅O⁺ 6 Water )

By formula: (C₂H₅O⁺ 5H₂O) + H₂O = (C₂H₅O⁺ 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	39.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	90.8	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O⁺ 6 Water ) + Water = (C₂H₅O⁺ 7 Water )

By formula: (C₂H₅O⁺ 6H₂O) + H₂O = (C₂H₅O⁺ 7H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	108.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

C₂H₅O⁺ + Water = (C₂H₅O⁺ Water )

By formula: C₂H₅O⁺ + H₂O = (C₂H₅O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	84.1	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	91.6	kJ/mol	HPMS	Davidson, Sunner J., et al., 1979	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	87.9	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O⁺ Water ) + Water = (C₂H₅O⁺ 2 Water )

By formula: (C₂H₅O⁺ H₂O) + H₂O = (C₂H₅O⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	74.5	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	110.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O⁺ 2 Water ) + Water = (C₂H₅O⁺ 3 Water )

By formula: (C₂H₅O⁺ 2H₂O) + H₂O = (C₂H₅O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.0	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	97.1	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O⁺ 3 Water ) + Water = (C₂H₅O⁺ 4 Water )

By formula: (C₂H₅O⁺ 3H₂O) + H₂O = (C₂H₅O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	45.2	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	85.4	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

C₂H₅O₂⁺ + Water = (C₂H₅O₂⁺ Water )

By formula: C₂H₅O₂⁺ + H₂O = (C₂H₅O₂⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	90.0	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	105.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O₂⁺ Water ) + Water = (C₂H₅O₂⁺ 2 Water )

By formula: (C₂H₅O₂⁺ H₂O) + H₂O = (C₂H₅O₂⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	67.8	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	111.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O₂⁺ 2 Water ) + Water = (C₂H₅O₂⁺ 3 Water )

By formula: (C₂H₅O₂⁺ 2H₂O) + H₂O = (C₂H₅O₂⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.9	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	89.5	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₅O₂⁺ 3 Water ) + Water = (C₂H₅O₂⁺ 4 Water )

By formula: (C₂H₅O₂⁺ 3H₂O) + H₂O = (C₂H₅O₂⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.0	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	90.4	J/mol*K	N/A	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
16.	334.	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

(C₂H₅O₂⁺ 4 Water ) + Water = (C₂H₅O₂⁺ 5 Water )

By formula: (C₂H₅O₂⁺ 4H₂O) + H₂O = (C₂H₅O₂⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.1	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	88.7	J/mol*K	N/A	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
17.	280.	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

C₂H₅O₄^- + 2 Water = C₂H₇O₅^-

By formula: C₂H₅O₄^- + 2H₂O = C₂H₇O₅^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.8 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	25.5 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

C₂H₆NO₂⁺ + Water = (C₂H₆NO₂⁺ Water )

By formula: C₂H₆NO₂⁺ + H₂O = (C₂H₆NO₂⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
41.	293.	ES/HPMS	Klassen, Blades, et al., 1995	gas phase; M

(C₂H₆NO₂⁺ Water ) + Water = (C₂H₆NO₂⁺ 2 Water )

By formula: (C₂H₆NO₂⁺ H₂O) + H₂O = (C₂H₆NO₂⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
30.	293.	ES/HPMS	Klassen, Blades, et al., 1995	gas phase; M

(C₂H₆NO₂⁺ 2 Water ) + Water = (C₂H₆NO₂⁺ 3 Water )

By formula: (C₂H₆NO₂⁺ 2H₂O) + H₂O = (C₂H₆NO₂⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
23.	293.	ES/HPMS	Klassen, Blades, et al., 1995	gas phase; M

(C₂H₇O⁺ ) + Water = (C₂H₇O⁺ Water )

By formula: (C₂H₇O⁺ C₂H₆O) + H₂O = (C₂H₇O⁺ H₂O C₂H₆O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	68.2	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n, Entropy change is questionable; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	162.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n, Entropy change is questionable; M

C₂H₇O⁺ + Water = (C₂H₇O⁺ Water )

By formula: C₂H₇O⁺ + H₂O = (C₂H₇O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.9	kJ/mol	PHPMS	Tholman, Tonner, et al., 1994	gas phase; M
_rH°	100.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	94.6	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	114.	J/mol*K	PHPMS	Tholman, Tonner, et al., 1994	gas phase; M
_rS°	121.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	111.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; M

(C₂H₇O⁺ Water ) + Water = (C₂H₇O⁺ 2 Water )

By formula: (C₂H₇O⁺ H₂O C₂H₆O) + H₂O = (C₂H₇O⁺ 2H₂O C₂H₆O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.9	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	103.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ Water 2) + Water = (C₂H₇O⁺ 2 Water 2)

By formula: (C₂H₇O⁺ H₂O 2C₂H₆O) + H₂O = (C₂H₇O⁺ 2H₂O 2C₂H₆O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	47.7	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	127.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ Water 3) + Water = (C₂H₇O⁺ 2 Water 3)

By formula: (C₂H₇O⁺ H₂O 3C₂H₆O) + H₂O = (C₂H₇O⁺ 2H₂O 3C₂H₆O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	47.7	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	127.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ 2 Water ) + Water = (C₂H₇O⁺ 3 Water )

By formula: (C₂H₇O⁺ 2H₂O C₂H₆O) + H₂O = (C₂H₇O⁺ 3H₂O C₂H₆O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	48.5	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	112.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ Water ) + Water = (C₂H₇O⁺ 2 Water )

By formula: (C₂H₇O⁺ H₂O) + H₂O = (C₂H₇O⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	64.0	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	110.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ 2 Water ) + Water = (C₂H₇O⁺ 3 Water )

By formula: (C₂H₇O⁺ 2H₂O) + H₂O = (C₂H₇O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.0	kJ/mol	PHPMS	Tholman, Tonner, et al., 1994	gas phase; M
_rH°	57.7	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.0	J/mol*K	PHPMS	Tholman, Tonner, et al., 1994	gas phase; M
_rS°	106.	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

(C₂H₇O⁺ 3 Water ) + Water = (C₂H₇O⁺ 4 Water )

By formula: (C₂H₇O⁺ 3H₂O) + H₂O = (C₂H₇O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	42.7	kJ/mol	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	79.5	J/mol*K	PHPMS	Hiraoka, Grimsrud, et al., 1974	gas phase; n; M

C₂H₇O⁺ + Water = (C₂H₇O⁺ Water )

By formula: C₂H₇O⁺ + H₂O = (C₂H₇O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	111.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	100.	kJ/mol	PHPMS	Kebarle, 1977	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	128.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	110.	J/mol*K	PHPMS	Kebarle, 1977	gas phase; M

(C₂H₇O⁺ Water ) + Water = (C₂H₇O⁺ 2 Water )

By formula: (C₂H₇O⁺ H₂O) + H₂O = (C₂H₇O⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	78.2	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	80.3	kJ/mol	PHPMS	Kebarle, 1977	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	113.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	120.	J/mol*K	PHPMS	Kebarle, 1977	gas phase; M

(C₂H₇O⁺ 2 Water ) + Water = (C₂H₇O⁺ 3 Water )

By formula: (C₂H₇O⁺ 2H₂O) + H₂O = (C₂H₇O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.1	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	59.4	kJ/mol	PHPMS	Kebarle, 1977	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	103.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	110.	J/mol*K	PHPMS	Kebarle, 1977	gas phase; M

(C₂H₇O⁺ 3 Water ) + Water = (C₂H₇O⁺ 4 Water )

By formula: (C₂H₇O⁺ 3H₂O) + H₂O = (C₂H₇O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	47.3	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	52.3	kJ/mol	PHPMS	Kebarle, 1977	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.4	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	110.	J/mol*K	PHPMS	Kebarle, 1977	gas phase; M

(C₂H₇O⁺ 4 Water ) + Water = (C₂H₇O⁺ 5 Water )

By formula: (C₂H₇O⁺ 4H₂O) + H₂O = (C₂H₇O⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	87.4	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₂H₇O⁺ 5 Water ) + Water = (C₂H₇O⁺ 6 Water )

By formula: (C₂H₇O⁺ 5H₂O) + H₂O = (C₂H₇O⁺ 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.8	kJ/mol	PHPMS	Kebarle, 1977	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	120.	J/mol*K	PHPMS	Kebarle, 1977	gas phase; M

C₂H₇O₂^- + Water + = C₂H₉O₃^-

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

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

C₂H₇O₅^- + 3 Water = C₂H₉O₆^-

By formula: C₂H₇O₅^- + 3H₂O = C₂H₉O₆^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	48.5 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	19.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

C₂H₇O₅S^- + 2 Water = C₂H₉O₆S^-

By formula: C₂H₇O₅S^- + 2H₂O = C₂H₉O₆S^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	48.5 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	19.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

C₂H₇S⁺ + Water = (C₂H₇S⁺ Water )

By formula: C₂H₇S⁺ + H₂O = (C₂H₇S⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	50.	kJ/mol	ICR	Berman and Beauchamp, 1986	gas phase; bracketing; Lias, Liebman, et al., 1984; M
_rH°	54.8	kJ/mol	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	94.6	J/mol*K	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M

(C₂H₇S⁺ Water ) + Water = (C₂H₇S⁺ 2 Water )

By formula: (C₂H₇S⁺ H₂O) + H₂O = (C₂H₇S⁺ 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	48.5	kJ/mol	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	96.2	J/mol*K	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M

C₂H₇S⁺ + Water = (C₂H₇S⁺ Water )

By formula: C₂H₇S⁺ + H₂O = (C₂H₇S⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.5	kJ/mol	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.4	J/mol*K	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M

C₂H₈N⁺ + Water = (C₂H₈N⁺ Water )

By formula: C₂H₈N⁺ + H₂O = (C₂H₈N⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	62.8	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.8	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	38.	kJ/mol	HPMS	Banic and Iribarne, 1985	gas phase; electric fields; M

(C₂H₈N⁺ Water ) + Water = (C₂H₈N⁺ 2 Water )

By formula: (C₂H₈N⁺ H₂O) + H₂O = (C₂H₈N⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.5	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	103.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	26.	kJ/mol	HPMS	Banic and Iribarne, 1985	gas phase; electric fields; M

(C₂H₈N⁺ 2 Water ) + Water = (C₂H₈N⁺ 3 Water )

By formula: (C₂H₈N⁺ 2H₂O) + H₂O = (C₂H₈N⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	47.3	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	102.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	18.	kJ/mol	HPMS	Banic and Iribarne, 1985	gas phase; electric fields; M

(C₂H₈N⁺ 3 Water ) + Water = (C₂H₈N⁺ 4 Water )

By formula: (C₂H₈N⁺ 3H₂O) + H₂O = (C₂H₈N⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.9	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	105.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₈N⁺ 4 Water ) + Water = (C₂H₈N⁺ 5 Water )

By formula: (C₂H₈N⁺ 4H₂O) + H₂O = (C₂H₈N⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	39.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	102.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₂H₈N⁺ 5 Water ) + Water = (C₂H₈N⁺ 6 Water )

By formula: (C₂H₈N⁺ 5H₂O) + H₂O = (C₂H₈N⁺ 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	35.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	88.7	J/mol*K	N/A	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
13.	255.	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated; M

C₂H₈N⁺ + Water = (C₂H₈N⁺ Water )

By formula: C₂H₈N⁺ + H₂O = (C₂H₈N⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	73.2	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	108.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M

(C₂H₈N⁺ Water ) + Water = (C₂H₈N⁺ 2 Water )

By formula: (C₂H₈N⁺ H₂O) + H₂O = (C₂H₈N⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.5	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	124.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M

(C₂H₈N⁺ 2 Water ) + Water = (C₂H₈N⁺ 3 Water )

By formula: (C₂H₈N⁺ 2H₂O) + H₂O = (C₂H₈N⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	55.2	kJ/mol	PHPMS	Lau and Kebarle, 1981	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	129.	J/mol*K	PHPMS	Lau and Kebarle, 1981	gas phase; M

C₂H₈O₈S₂^-2 + 3 Water = C₂H₁₀O₉S₂^-2

By formula: C₂H₈O₈S₂^-2 + 3H₂O = C₂H₁₀O₉S₂^-2

Quantity	Value	Units	Method	Reference	Comment
_rG°	31.4 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; B

C₂H₉N⁺ + Water = (C₂H₉N⁺ Water )

By formula: C₂H₉N⁺ + H₂O = (C₂H₉N⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
33.	293.	ES/HPMS	Blades, Klassen, et al., 1995	gas phase; M

C₂H₉O₃^- + 2 Water + = C₂H₁₁O₄^-

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

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

C₂H₁₀O₉S₂^-2 + 4 Water = C₂H₁₂O₁₀S₂^-2

By formula: C₂H₁₀O₉S₂^-2 + 4H₂O = C₂H₁₂O₁₀S₂^-2

Quantity	Value	Units	Method	Reference	Comment
_rG°	27.6 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; B

C₂H₁₂O₁₀S₂^-2 + 5 Water = C₂H₁₄O₁₁S₂^-2

By formula: C₂H₁₂O₁₀S₂^-2 + 5H₂O = C₂H₁₄O₁₁S₂^-2

Quantity	Value	Units	Method	Reference	Comment
_rG°	24.7 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; B

C₂H₁₄O₁₁S₂^-2 + 6 Water = C₂H₁₆O₁₂S₂^-2

By formula: C₂H₁₄O₁₁S₂^-2 + 6H₂O = C₂H₁₆O₁₂S₂^-2

Quantity	Value	Units	Method	Reference	Comment
_rG°	22.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; B

C₃H₂F₃O^- + Water = (C₃H₂F₃O^- Water )

By formula: C₃H₂F₃O^- + H₂O = (C₃H₂F₃O^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	53.6 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	32. ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B

C₃H₂F₃O^- + Water = (C₃H₂F₃O^- Water )

By formula: C₃H₂F₃O^- + H₂O = (C₃H₂F₃O^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	53.6	kJ/mol	PHPMS	Meot-ner, 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	72.4	J/mol*K	PHPMS	Meot-ner, 1988	gas phase; M

C₃H₂N⁺ + Water = (C₃H₂N⁺ Water )

By formula: C₃H₂N⁺ + H₂O = (C₃H₂N⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	97.5	kJ/mol	PHPMS	Speller and Meot-Ner (Mautner), 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	99.6	J/mol*K	PHPMS	Speller and Meot-Ner (Mautner), 1985	gas phase; M

C₃H₂NO₂^- + Water = (C₃H₂NO₂^- Water )

By formula: C₃H₂NO₂^- + H₂O = (C₃H₂NO₂^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	59.83	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	29.7 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

(C₃H₂NO₂^- Water ) + Water = (C₃H₂NO₂^- 2 Water )

By formula: (C₃H₂NO₂^- H₂O) + H₂O = (C₃H₂NO₂^- 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.0 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	21.8 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B

+ Water = ( Water )

By formula: C₃H₃N₂^- + H₂O = (C₃H₃N₂^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	63.6	kJ/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	94.6	J/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M

( Water ) + Water = ( 2 Water )

By formula: (C₃H₃N₂^- H₂O) + H₂O = (C₃H₃N₂^- 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	49.4	kJ/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	76.1	J/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M

( 2 Water ) + Water = ( 3 Water )

By formula: (C₃H₃N₂^- 2H₂O) + H₂O = (C₃H₃N₂^- 3H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.0	kJ/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	122.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M

C₃H₃O₄^- + Water = (C₃H₃O₄^- Water )

By formula: C₃H₃O₄^- + H₂O = (C₃H₃O₄^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rG°	22.	kJ/mol	ES/HPMS	Blades, Klassen, et al., 1995	gas phase; M

(C₃H₃O₄^- Water ) + Water = (C₃H₃O₄^- 2 Water )

By formula: (C₃H₃O₄^- H₂O) + H₂O = (C₃H₃O₄^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rG°	17.	kJ/mol	ES/HPMS	Blades, Klassen, et al., 1995	gas phase; M

C₃H₄N₂⁺ + Water = (C₃H₄N₂⁺ Water )

By formula: C₃H₄N₂⁺ + H₂O = (C₃H₄N₂⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.9	kJ/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	99.6	J/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M

(C₃H₄N₂⁺ Water ) + Water = (C₃H₄N₂⁺ 2 Water )

By formula: (C₃H₄N₂⁺ H₂O) + H₂O = (C₃H₄N₂⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	52.7	kJ/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	97.5	J/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M

(C₃H₄N₂⁺ 2 Water ) + Water = (C₃H₄N₂⁺ 3 Water )

By formula: (C₃H₄N₂⁺ 2H₂O) + H₂O = (C₃H₄N₂⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.0	kJ/mol	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	125.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1988	gas phase; M

C₃H₄O₅^- + Water + = C₃H₆O₆^-

By formula: C₃H₄O₅^- + H₂O + C₂H₄O₂ = C₃H₆O₆^-

Quantity	Value	Units	Method	Reference	Comment
_rG°	19.2 ± 0.84	kJ/mol	IMRE	Viidanoja, Reiner, et al., 2000	gas phase; B

C₃H₅O⁺ + Water = (C₃H₅O⁺ Water )

By formula: C₃H₅O⁺ + H₂O = (C₃H₅O⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	66.1	kJ/mol	PHPMS	Meot-ner, 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.9	J/mol*K	PHPMS	Meot-ner, 1988	gas phase; M

(C₃H₅O⁺ Water ) + Water = (C₃H₅O⁺ 2 Water )

By formula: (C₃H₅O⁺ H₂O) + H₂O = (C₃H₅O⁺ 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	58.2	kJ/mol	PHPMS	Meot-ner, 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.4	J/mol*K	PHPMS	Meot-ner, 1988	gas phase; M

(C₃H₅O⁺ 2 Water ) + Water = (C₃H₅O⁺ 3 Water )

By formula: (C₃H₅O⁺ 2H₂O) + H₂O = (C₃H₅O⁺ 3H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.4	kJ/mol	PHPMS	Meot-ner, 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	115.	J/mol*K	PHPMS	Meot-ner, 1988	gas phase; M

(C₃H₅O⁺ 3 Water ) + Water = (C₃H₅O⁺ 4 Water )

By formula: (C₃H₅O⁺ 3H₂O) + H₂O = (C₃H₅O⁺ 4H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	45.2	kJ/mol	PHPMS	Meot-ner, 1988	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	101.	J/mol*K	PHPMS	Meot-ner, 1988	gas phase; M

C₃H₅O⁺ + Water = (C₃H₅O⁺ Water )

By formula: C₃H₅O⁺ + H₂O = (C₃H₅O⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	99.2	kJ/mol	PHPMS	Davidson, Meza-Hojer, et al., 1979	gas phase; forms protonated propanoic acid; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	147.	J/mol*K	PHPMS	Davidson, Meza-Hojer, et al., 1979	gas phase; forms protonated propanoic acid; M

(C₃H₅O⁺ 2 Water ) + Water = (C₃H₅O⁺ 3 Water )

By formula: (C₃H₅O⁺ 2H₂O) + H₂O = (C₃H₅O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	68.6	kJ/mol	PHPMS	Hiraoka and Kebarle, 1977	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	100.	J/mol*K	PHPMS	Hiraoka and Kebarle, 1977	gas phase; M

(C₃H₅O⁺ 3 Water ) + Water = (C₃H₅O⁺ 4 Water )

By formula: (C₃H₅O⁺ 3H₂O) + H₂O = (C₃H₅O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	53.1	kJ/mol	PHPMS	Hiraoka and Kebarle, 1977	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	100.	J/mol*K	PHPMS	Hiraoka and Kebarle, 1977	gas phase; M

C₃H₅O^- + Water = (C₃H₅O^- Water )

By formula: C₃H₅O^- + H₂O = (C₃H₅O^- H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	66.1 ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	41. ± 4.2	kJ/mol	TDAs	Meot-ner, 1988	gas phase; B

+ Water = ( Water )

By formula: C₃H₅O₂^- + H₂O = (C₃H₅O₂^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	68.2 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	38.9 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M
_rG°	35.1 ± 0.84	kJ/mol	N/A	Viidanoja, Reiner, et al., 2000	gas phase; B

( Water ) + Water = ( 2 Water )

By formula: (C₃H₅O₂^- H₂O) + H₂O = (C₃H₅O₂^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.9 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	27.6 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M
_rG°	28.9 ± 0.84	kJ/mol	N/A	Viidanoja, Reiner, et al., 2000	gas phase; B

( 2 Water ) + Water = ( 3 Water )

By formula: (C₃H₅O₂^- 2H₂O) + H₂O = (C₃H₅O₂^- 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	50.6 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	21.3 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M
_rG°	21.3 ± 0.84	kJ/mol	N/A	Viidanoja, Reiner, et al., 2000	gas phase; B

+ Water = ( Water )

By formula: C₃H₅O₃^- + H₂O = (C₃H₅O₃^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.5 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	32.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( Water ) + Water = ( 2 Water )

By formula: (C₃H₅O₃^- H₂O) + H₂O = (C₃H₅O₃^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.5 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	22.2 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

+ Water = ( Water )

By formula: C₃H₅O₃^- + H₂O = (C₃H₅O₃^- H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	65.3 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	36.0 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( Water ) + Water = ( 2 Water )

By formula: (C₃H₅O₃^- H₂O) + H₂O = (C₃H₅O₃^- 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.8 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	25.5 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

( 2 Water ) + Water = ( 3 Water )

By formula: (C₃H₅O₃^- 2H₂O) + H₂O = (C₃H₅O₃^- 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	49.4 ± 6.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	20.1 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

C₃H₅O₅^- + 2 Water = C₃H₇O₆^-

By formula: C₃H₅O₅^- + 2H₂O = C₃H₇O₆^-

Quantity	Value	Units	Method	Reference	Comment
_rG°	16.7 ± 1.3	kJ/mol	TDAs	Blades, Klassen, et al., 1995	gas phase; B

C₃H₆⁺ + Water = (C₃H₆⁺ Water )

By formula: C₃H₆⁺ + H₂O = (C₃H₆⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.5	kJ/mol	CID	Holmes, Mommers, et al., 1984	gas phase; structure confirmed as ion-dipole complex in Shao, Baer, et al., 1987; M

C₃H₆NO₂^- + Water = C₃H₈NO₃^-

By formula: C₃H₆NO₂^- + H₂O = C₃H₈NO₃^-

Quantity	Value	Units	Method	Reference	Comment
_rH°	64.0 ± 1.7	kJ/mol	N/A	Wincel, 2008	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
_rG°	32.6 ± 3.3	kJ/mol	TDAs	Wincel, 2008	gas phase; B

C₃H₇⁺ + Water = (C₃H₇⁺ Water )

By formula: C₃H₇⁺ + H₂O = (C₃H₇⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	73.6	kJ/mol	HPMS	Beggs and Field, 1971	gas phase; «DELTA»_rH inconsistent with (CH3)2CHOH2+ product; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	116.	J/mol*K	HPMS	Beggs and Field, 1971	gas phase; «DELTA»_rH inconsistent with (CH3)2CHOH2+ product; M

C₃H₇O⁺ + Water = (C₃H₇O⁺ Water )

By formula: C₃H₇O⁺ + H₂O = (C₃H₇O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	85.8	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	109.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₃H₇O⁺ Water ) + Water = (C₃H₇O⁺ 2 Water )

By formula: (C₃H₇O⁺ H₂O) + H₂O = (C₃H₇O⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.9	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	97.1	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₃H₇O⁺ 2 Water ) + Water = (C₃H₇O⁺ 3 Water )

By formula: (C₃H₇O⁺ 2H₂O) + H₂O = (C₃H₇O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	53.1	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	91.6	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₃H₇O⁺ 3 Water ) + Water = (C₃H₇O⁺ 4 Water )

By formula: (C₃H₇O⁺ 3H₂O) + H₂O = (C₃H₇O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.1	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.5	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

(C₃H₇O⁺ 4 Water ) + Water = (C₃H₇O⁺ 5 Water )

By formula: (C₃H₇O⁺ 4H₂O) + H₂O = (C₃H₇O⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.1	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	98.3	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M

C₃H₇O⁺ + Water = (C₃H₇O⁺ Water )

By formula: C₃H₇O⁺ + H₂O = (C₃H₇O⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.9	kJ/mol	PHPMS	Meot-Ner (Mautner), Ross, et al., 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	78.7	J/mol*K	PHPMS	Meot-Ner (Mautner), Ross, et al., 1985	gas phase; M

C₃H₉O⁺ + Water = (C₃H₉O⁺ Water )

By formula: C₃H₉O⁺ + H₂O = (C₃H₉O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	100.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	117.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₃H₉O⁺ Water ) + Water = (C₃H₉O⁺ 2 Water )

By formula: (C₃H₉O⁺ H₂O) + H₂O = (C₃H₉O⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	74.9	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	110.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₃H₉O⁺ 2 Water ) + Water = (C₃H₉O⁺ 3 Water )

By formula: (C₃H₉O⁺ 2H₂O) + H₂O = (C₃H₉O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	54.4	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	102.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₃H₉O⁺ 3 Water ) + Water = (C₃H₉O⁺ 4 Water )

By formula: (C₃H₉O⁺ 3H₂O) + H₂O = (C₃H₉O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.0	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.8	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₃H₉O⁺ 4 Water ) + Water = (C₃H₉O⁺ 5 Water )

By formula: (C₃H₉O⁺ 4H₂O) + H₂O = (C₃H₉O⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	40.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	86.6	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₃H₉O⁺ 5 Water ) + Water = (C₃H₉O⁺ 6 Water )

By formula: (C₃H₉O⁺ 5H₂O) + H₂O = (C₃H₉O⁺ 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	37.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	87.0	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

C₃H₉O⁺ + Water = (C₃H₉O⁺ Water )

By formula: C₃H₉O⁺ + H₂O = (C₃H₉O⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	68.2	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; unusually small «DELTA»_rH and «DELTA»_rS; M
_rH°	56.5	kJ/mol	HPMS	Beggs and Field, 1971	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	57.3	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; unusually small «DELTA»_rH and «DELTA»_rS; M
_rS°	53.1	J/mol*K	HPMS	Beggs and Field, 1971	gas phase; M

(C₃H₉O⁺ Water ) + Water = (C₃H₉O⁺ 2 Water )

By formula: (C₃H₉O⁺ H₂O) + H₂O = (C₃H₉O⁺ 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	68.6	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rH°	62.3	kJ/mol	HPMS	Beggs and Field, 1971	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	101.	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
_rS°	90.0	J/mol*K	HPMS	Beggs and Field, 1971	gas phase; M

(C₃H₉O⁺ 2 Water ) + Water = (C₃H₉O⁺ 3 Water )

By formula: (C₃H₉O⁺ 2H₂O) + H₂O = (C₃H₉O⁺ 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	52.3	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	98.7	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₃H₉O⁺ 3 Water ) + Water = (C₃H₉O⁺ 4 Water )

By formula: (C₃H₉O⁺ 3H₂O) + H₂O = (C₃H₉O⁺ 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.9	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	90.0	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₃H₉O⁺ 4 Water ) + Water = (C₃H₉O⁺ 5 Water )

By formula: (C₃H₉O⁺ 4H₂O) + H₂O = (C₃H₉O⁺ 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	40.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	91.6	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₃H₉O⁺ 5 Water ) + Water = (C₃H₉O⁺ 6 Water )

By formula: (C₃H₉O⁺ 5H₂O) + H₂O = (C₃H₉O⁺ 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	37.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	89.1	J/mol*K	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; M

(C₃H₉O⁺ 6 Water ) + Water = (C₃H₉O⁺ 7 Water )

By formula: (C₃H₉O⁺ 6H₂O) + H₂O = (C₃H₉O⁺ 7H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	33.	kJ/mol	PHPMS	Hiraoka, Takimoto, et al., 1986	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.	J/mol*K	N/A	Hiraoka, Takimoto, et al., 1986	gas phase; Entropy change calculated or estimated; M

C₃H₉S⁺ + Water = (C₃H₉S⁺ Water )

By formula: C₃H₉S⁺ + H₂O = (C₃H₉S⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	52.7	kJ/mol	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	96.	J/mol*K	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
19.	347.	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M

C₃H₉S⁺ + Water = (C₃H₉S⁺ Water )

By formula: C₃H₉S⁺ + H₂O = (C₃H₉S⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	60.2	kJ/mol	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	96.	J/mol*K	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
17.	446.	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M

C₃H₉S⁺ + Water = (C₃H₉S⁺ Water )

By formula: C₃H₉S⁺ + H₂O = (C₃H₉S⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	58.2	kJ/mol	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	96.	J/mol*K	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
18.	418.	PHPMS	Meot-Ner (Mautner) and Sieck, 1985	gas phase; M

C₃H₉Si⁺ + Water = (C₃H₉Si⁺ Water )

By formula: C₃H₉Si⁺ + H₂O = (C₃H₉Si⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	126. ± 7.9	kJ/mol	PHPMS	Stone and Wojtyniak, 1986	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	113.	J/mol*K	PHPMS	Stone and Wojtyniak, 1986	gas phase; M

(C₃H₉Si⁺ Water ) + Water = (C₃H₉Si⁺ 2 Water )

By formula: (C₃H₉Si⁺ H₂O) + H₂O = (C₃H₉Si⁺ 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	83.3	kJ/mol	PHPMS	Stone and Wytenberg, 1987	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	118.	J/mol*K	PHPMS	Stone and Wytenberg, 1987	gas phase; M

C₃H₉Sn⁺ + Water = (C₃H₉Sn⁺ Water )

By formula: C₃H₉Sn⁺ + H₂O = (C₃H₉Sn⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	108.	kJ/mol	PHPMS	Stone and Splinter, 1984	gas phase; switching reaction((CH3)3Sn+)CH3OH; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	115.	J/mol*K	N/A	Stone and Splinter, 1984	gas phase; switching reaction((CH3)3Sn+)CH3OH; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
46.9	525.	PHPMS	Stone and Splinter, 1984	gas phase; switching reaction((CH3)3Sn+)CH3OH; Entropy change calculated or estimated; M

(C₃H₁₀N⁺ 2) + Water = (C₃H₁₀N⁺ Water 2)

By formula: (C₃H₁₀N⁺ 2C₃H₉N) + H₂O = (C₃H₁₀N⁺ H₂O 2C₃H₉N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	37.	kJ/mol	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	102.	J/mol*K	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M

C₃H₁₀N⁺ + Water = (C₃H₁₀N⁺ Water )

By formula: C₃H₁₀N⁺ + H₂O = (C₃H₁₀N⁺ H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
_rH°	60.7	kJ/mol	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M
_rH°	60.7	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rH°	60.7	kJ/mol	PHPMS	Meot-Ner M. and Sieck, 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	102.	J/mol*K	PHPMS	El-Shall, Daly, et al., 1992	gas phase; M
_rS°	101.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase; M
_rS°	101.	J/mol*K	PHPMS	Meot-Ner M. and Sieck, 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	32.	kJ/mol	HPMS	Banic and Iribarne, 1985	gas phase; electric fields; M

(C₃H₁₀N⁺