Sodium ion (1+)

Formula: Na⁺
Molecular weight: 22.98922070
IUPAC Standard InChI: InChI=1S/Na/q+1
IUPAC Standard InChIKey: FKNQFGJONOIPTF-UHFFFAOYSA-N
CAS Registry Number: 17341-25-2
Chemical structure:
This structure is also available as a 2d Mol file
Other names: Sodium cation
Permanent link for this species. Use this link for bookmarking this species for future reference.
Information on this page:
Other data available:
- Gas phase thermochemistry data
- Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 100, reactions 101 to 150, reactions 151 to 200, reactions 201 to 248
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Ion clustering data

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

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

Clustering reactions

Sodium ion (1+) + = ( )

By formula: Na⁺ + Ar = (Na⁺ Ar)

Quantity	Value	Units	Method	Reference	Comment
_rH°	15. ± 8.8	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
_rH°	15.5	kJ/mol	SCATTERING	Gislason, 1984	gas phase; M
_rH°	18.4	kJ/mol	IMob	Viehland, 1984	gas phase; M
_rH°	18.	kJ/mol	DT	McKnight and Sawina, 1973	gas phase; M
_rH°	20.4	kJ/mol	IMob	Takebe, 1983	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + CH₂N₄ = (Na⁺ CH₂N₄)

Quantity	Value	Units	Method	Reference	Comment
_rH°	115. ± 4.2	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + CH₄O = (Na⁺ CH₄O)

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

Free energy of reaction

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

( Sodium ion (1+) ) + = ( 2)

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

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

( Sodium ion (1+) 2) + = ( 3)

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

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

( Sodium ion (1+) 3) + = ( 4)

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

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + CH₄ = (Na⁺ CH₄)

Quantity	Value	Units	Method	Reference	Comment
_rH°	30.	kJ/mol	HPMS	Castleman, Peterson, et al., 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	59.0	J/mol*K	HPMS	Castleman, Peterson, et al., 1983	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + CH₅N = (Na⁺ CH₅N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	110. ± 0.8	kJ/mol	HPMS	Hoyau, Norrman, et al., 1999	RCD
_rH°	134.	kJ/mol	HPMS	Guo and Castleman, 1990	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	94600.	J/mol*K	HPMS	Hoyau, Norrman, et al., 1999	RCD
_rS°	127.	J/mol*K	HPMS	Guo and Castleman, 1990	gas phase; M

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + CO = (Na⁺ CO)

Quantity	Value	Units	Method	Reference	Comment
_rH°	32. ± 7.9	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	32. ± 7.9	kJ/mol	CIDT	Walter, Sievers, et al., 1998	RCD
_rH°	52.7	kJ/mol	HPMS	Castleman, Peterson, et al., 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	85.4	J/mol*K	HPMS	Castleman, Peterson, et al., 1983	gas phase; M

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ CO) + CO = (Na⁺ 2CO)

Quantity	Value	Units	Method	Reference	Comment
_rH°	24. ± 3.	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	24. ± 3.	kJ/mol	CIDT	Walter, Sievers, et al., 1998	RCD
_rH°	31.	kJ/mol	HPMS	Castleman, Peterson, et al., 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	63.2	J/mol*K	HPMS	Castleman, Peterson, et al., 1983	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + CO₂ = (Na⁺ CO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	66.5	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; M
_rH°	57.3	kJ/mol	FA	Perry, Rowe, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.1	J/mol*K	HPMS	Peterson, Mark, et al., 1984	gas phase; M
_rS°	82.8	J/mol*K	FA	Perry, Rowe, et al., 1980	gas phase; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
28.	310.	DT	Keller and Beyer, 1971	gas phase; low E/N; M

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ CO₂) + CO₂ = (Na⁺ 2CO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	46.0	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	90.8	J/mol*K	HPMS	Peterson, Mark, et al., 1984	gas phase; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
20.	310.	DT	Keller and Beyer, 1971	gas phase; low E/N; M

( Sodium ion (1+) 2) + = ( 3)

By formula: (Na⁺ 2CO₂) + CO₂ = (Na⁺ 3CO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	100.	J/mol*K	HPMS	Peterson, Mark, et al., 1984	gas phase; M

( Sodium ion (1+) 3) + = ( 4)

By formula: (Na⁺ 3CO₂) + CO₂ = (Na⁺ 4CO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	35.	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	100.	J/mol*K	N/A	Peterson, Mark, et al., 1984	gas phase; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
3.	310.	HPMS	Peterson, Mark, et al., 1984	gas phase; Entropy change calculated or estimated; M

( Sodium ion (1+) ) + = ( )

By formula: (Na⁺ CO₂) + H₂O = (Na⁺ H₂O CO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	86.6	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M
_rH°	95.8	kJ/mol	FA	Perry, Rowe, et al., 1980	gas phase; From thermochemical cycle(Na+) 2H2O; Dzidic and Kebarle, 1970, Peterson, Mark, et al., 1984; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	106.	J/mol*K	HPMS	Peterson, Mark, et al., 1984	gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M
_rS°	107.	J/mol*K	FA	Perry, Rowe, et al., 1980	gas phase; From thermochemical cycle(Na+) 2H2O; Dzidic and Kebarle, 1970, Peterson, Mark, et al., 1984; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₃N = (Na⁺ C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	128. ± 4.6	kJ/mol	CIDT	Valina, 2001	RCD

Free energy of reaction

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

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₂H₃N) + C₂H₃N = (Na⁺ 2C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	109. ± 7.9	kJ/mol	CIDT	Valina, 2001	RCD
_rH°	102.	kJ/mol	HPMS	Davidson and Kebarle, 1976	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	95.0	J/mol*K	HPMS	Davidson and Kebarle, 1976	gas phase; M

( Sodium ion (1+) 2) + = ( 3)

By formula: (Na⁺ 2C₂H₃N) + C₂H₃N = (Na⁺ 3C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	89. ± 3.	kJ/mol	CIDT	Valina, 2001	RCD
_rH°	86.2	kJ/mol	HPMS	Davidson and Kebarle, 1976	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	115.	J/mol*K	HPMS	Davidson and Kebarle, 1976	gas phase; M

( Sodium ion (1+) 3) + = ( 4)

By formula: (Na⁺ 3C₂H₃N) + C₂H₃N = (Na⁺ 4C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	64. ± 3.	kJ/mol	CIDT	Valina, 2001	RCD
_rH°	62.3	kJ/mol	HPMS	Davidson and Kebarle, 1976	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	117.	J/mol*K	HPMS	Davidson and Kebarle, 1976	gas phase; M

( Sodium ion (1+) 4) + = ( 5)

By formula: (Na⁺ 4C₂H₃N) + C₂H₃N = (Na⁺ 5C₂H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	53. ± 3.	kJ/mol	CIDT	Valina, 2001	CH3CN is fifth ligand; RCD
_rH°	53.1	kJ/mol	HPMS	Davidson and Kebarle, 1976	gas phase; Entropy change is questionable; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	172.	J/mol*K	HPMS	Davidson and Kebarle, 1976	gas phase; Entropy change is questionable; M

Sodium ion (1+) + C₂H₃N₃ = ( C₂H₃N₃)

By formula: Na⁺ + C₂H₃N₃ = (Na⁺ C₂H₃N₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	95.8 ± 4.2	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	0.	CIDT	Rodgers and Armentrout, 2000	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₃N₃ = (Na⁺ C₂H₃N₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	95.8 ± 4.6	kJ/mol	CIDT	Rodgers and Armentrout, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	0.	CIDT	Rodgers and Armentrout, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₃N₃ = (Na⁺ C₂H₃N₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	124. ± 5.0	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	0.	CIDT	Rodgers and Armentrout, 2000	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₃N₃ = (Na⁺ C₂H₃N₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	124. ± 5.0	kJ/mol	CIDT	Rodgers and Armentrout, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	0.	CIDT	Rodgers and Armentrout, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₄O = (Na⁺ C₂H₄O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	113. ± 3.	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₄ = (Na⁺ C₂H₄)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.1 ± 4.6	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₅FO = (Na⁺ C₂H₅FO)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₅NO = (Na⁺ C₂H₅NO)

Quantity	Value	Units	Method	Reference	Comment
_rH°	145.	kJ/mol	CIDT	Klassen, Anderson, et al., 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₅NO₂ = (Na⁺ C₂H₅NO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	161. ± 7.9	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD
_rH°	164. ± 5.9	kJ/mol	CIDT	Moision and Armentrout, 2002	RCD
_rH°	153.	kJ/mol	CIDT	Klassen, Anderson, et al., 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₆N₂O = (Na⁺ C₂H₆N₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	173.	kJ/mol	CIDT	Klassen, Anderson, et al., 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₆OS = (Na⁺ C₂H₆OS)

Quantity	Value	Units	Method	Reference	Comment
_rH°	130.	kJ/mol	CID	Klassen, Anderson, et al., 1996	RCD

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₆O = (Na⁺ C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	110. ± 5.4	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
_rH°	102. ± 4.	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
_rH°	102. ± 4.	kJ/mol	CIDT	Rodgers and Armentrout, 1999, 2	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
79.5	298.	IMRE	McMahon and Ohanessian, 2000	Anchor alanine=39.89; RCD
0.0	0.	CIDT	Rodgers and Armentrout, 1999, 2	RCD

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₂H₆O) + C₂H₆O = (Na⁺ 2C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	99.2 ± 6.7	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
_rH°	96.7 ± 4.6	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
_rH°	99.2 ± 6.7	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
_rH°	97.5 ± 5.9	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₆O = (Na⁺ C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	100. ± 5.4	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
_rH°	91.6 ± 4.6	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
_rH°	92.0 ± 5.0	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	92.9 ± 5.0	kJ/mol	CIDT	More, Ray, et al., 1997	RCD

Free energy of reaction

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

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₂H₆O) + C₂H₆O = (Na⁺ 2C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	85. ± 7.	kJ/mol	AVG	N/A	Average of 7 values; Individual data points

( Sodium ion (1+) 2) + = ( 3)

By formula: (Na⁺ 2C₂H₆O) + C₂H₆O = (Na⁺ 3C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	69.9 ± 5.0	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	66.9 ± 5.0	kJ/mol	CIDT	More, Ray, et al., 1997	RCD

( Sodium ion (1+) 3) + = ( 4)

By formula: (Na⁺ 3C₂H₆O) + C₂H₆O = (Na⁺ 4C₂H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.1 ± 4.2	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	58.2 ± 4.2	kJ/mol	CIDT	More, Ray, et al., 1997	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₆S = (Na⁺ C₂H₆S)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₇NO = (Na⁺ C₂H₇NO)

Quantity	Value	Units	Method	Reference	Comment
_rH°	175. ± 7.1	kJ/mol	CIDT	Moision and Armentrout, 2002	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₂H₇N = (Na⁺ C₂H₇N)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₃N₃ = (Na⁺ C₃H₃N₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	88. ± 3.	kJ/mol	CIDT	Amunugama and Rodgers, 2000	RCD

Sodium ion (1+) + = ( )

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	128. ± 9.2	kJ/mol	CIDT	Huang and Rodgers, 2002	RCD

Sodium ion (1+) + = ( )

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	140. ± 5.0	kJ/mol	CIDT	Huang and Rodgers, 2002	RCD
_rH°	140. ± 5.4	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
_rH°	140. ± 5.0	kJ/mol	CIDT	Rodgers and Armentrout, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₅N = (Na⁺ C₃H₅N)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₆O = (Na⁺ C₃H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	131. ± 4.2	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
_rH°	129. ± 2.	kJ/mol	HPMS	Hoyau, Norrman, et al., 1999	See 96KLA/AND?; RCD
_rH°	102.	kJ/mol	CIDT	Klassen, Anderson, et al., 1996	RCD
_rH°	140. ± 0.8	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	87900.	J/mol*K	HPMS	Hoyau, Norrman, et al., 1999	See 96KLA/AND?; RCD
_rS°	109.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

Free energy of reaction

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

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₃H₆O) + C₃H₆O = (Na⁺ 2C₃H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	105. ± 0.4	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	103.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

( Sodium ion (1+) 2) + = ( 3)

By formula: (Na⁺ 2C₃H₆O) + C₃H₆O = (Na⁺ 3C₃H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	86.6 ± 0.8	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	126.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

( Sodium ion (1+) 3) + = ( 4)

By formula: (Na⁺ 3C₃H₆O) + C₃H₆O = (Na⁺ 4C₃H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.5 ± 0.8	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	114.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₆O₂ = (Na⁺ C₃H₆O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	118. ± 5.9	kJ/mol	CIDT	Moision and Armentrout, 2002	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₆O₂ = (Na⁺ C₃H₆O₂)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₇NO = (Na⁺ C₃H₇NO)

Quantity	Value	Units	Method	Reference	Comment
_rH°	156. ± 4.	kJ/mol	CIDT	Armentrout and Rodgers, 2000	See 96KLA/AND?; RCD

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₇NO = (Na⁺ C₃H₇NO)

Quantity	Value	Units	Method	Reference	Comment
_rH°	149.	kJ/mol	CIDT	Klassen, Anderson, et al., 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₇NO₂S = (Na⁺ C₃H₇NO₂S)

Quantity	Value	Units	Method	Reference	Comment
_rH°	179. ± 13.	kJ/mol	IMRE	Gapeev and Dunbar, 2003	Anchor glycine=38.5+-2.2; RCD
_rH°	175.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₇NO₂ = (Na⁺ C₃H₇NO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	169. ± 13.	kJ/mol	IMRE	Gapeev and Dunbar, 2003	Anchor glycine=38.5+-2.0; RCD
_rH°	167.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₇NO₃ = (Na⁺ C₃H₇NO₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	188. ± 13.	kJ/mol	IMRE	Gapeev and Dunbar, 2003	Anchor glycine=38.5+-2.4; RCD
_rH°	192.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₈O = (Na⁺ C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	113. ± 4.2	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
_rH°	113. ± 4.6	kJ/mol	CIDT	Rodgers and Armentrout, 1999, 2	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
85.4	298.	IMRE	McMahon and Ohanessian, 2000	Anchor alanine=39.89; RCD
0.0	0.	CIDT	Rodgers and Armentrout, 1999, 2	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₈O = (Na⁺ C₃H₈O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	108. ± 4.2	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
_rH°	108. ± 4.2	kJ/mol	CIDT	Rodgers and Armentrout, 1999, 2	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	0.	CIDT	Rodgers and Armentrout, 1999, 2	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₉N = (Na⁺ C₃H₉N)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₃H₉N = (Na⁺ C₃H₉N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	121. ± 5.9	kJ/mol	CIDT	Moision and Armentrout, 2002	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₄N₂O₂ = (Na⁺ C₄H₄N₂O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	135. ± 3.	kJ/mol	CIDT	Rodgers and Armentrout, 2000, 2	RCD
_rH°	141.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₄N₂ = (Na⁺ C₄H₄N₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	108. ± 3.	kJ/mol	CIDT	Amunugama and Rodgers, 2000	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₄O = (Na⁺ C₄H₄O)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₅N = (Na⁺ C₄H₅N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	102. ± 4.6	kJ/mol	CIDT	Huang and Rodgers, 2002	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₅N₃O = (Na⁺ C₄H₅N₃O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	177.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₆N₂O₂ = (Na⁺ C₄H₆N₂O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	143. ± 7.1	kJ/mol	CIDC	Cerda, Hoyau, et al., 1998	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₆N₂ = (Na⁺ C₄H₆N₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	161. ± 5.0	kJ/mol	CIDT	Huang and Rodgers, 2002	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₆N₂ = (Na⁺ C₄H₆N₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	131. ± 3.	kJ/mol	CIDT	Huang and Rodgers, 2002	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₆O₃ = (Na⁺ C₄H₆O₃)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₆ = (Na⁺ C₄H₆)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₇NO₃ = (Na⁺ C₄H₇NO₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	172. ± 7.1	kJ/mol	CIDC	Cerda, Hoyau, et al., 1998	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
129.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₇NO₄ = (Na⁺ C₄H₇NO₄)

Quantity	Value	Units	Method	Reference	Comment
_rH°	203.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₈N₂O₂ = (Na⁺ C₄H₈N₂O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	186.	kJ/mol	CIDT	Klassen, Anderson, et al., 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₈N₂O₃ = (Na⁺ C₄H₈N₂O₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	206.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₈N₂O₃ = (Na⁺ C₄H₈N₂O₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	177. ± 7.1	kJ/mol	CIDC	Cerda, Hoyau, et al., 1998	See amide; RCD
_rH°	179.	kJ/mol	CIDT	Klassen, Anderson, et al., 1996	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
143.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₈O = (Na⁺ C₄H₈O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	131. ± 7.1	kJ/mol	CIDT	Moision and Armentrout, 2002	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₈O₂ = (Na⁺ C₄H₈O₂)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₈ = (Na⁺ C₄H₈)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₉Br = (Na⁺ C₄H₉Br)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₉Br = (Na⁺ C₄H₉Br)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₉Cl = (Na⁺ C₄H₉Cl)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₉NO = (Na⁺ C₄H₉NO)

Quantity	Value	Units	Method	Reference	Comment
_rH°	157.	kJ/mol	CIDT	Klassen, Anderson, et al., 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₉NO₂ = (Na⁺ C₄H₉NO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	176. ± 13.	kJ/mol	IMRE	Gapeev and Dunbar, 2003	Anchor glycine=38.5+-2.7; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₉NO₃ = (Na⁺ C₄H₉NO₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	197.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₁₀O = (Na⁺ C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	130. ± 1.	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	118.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

Free energy of reaction

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

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₄H₁₀O) + C₄H₁₀O = (Na⁺ 2C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	96. ± 1.	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	117.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

( Sodium ion (1+) 2) + = ( 3)

By formula: (Na⁺ 2C₄H₁₀O) + C₄H₁₀O = (Na⁺ 3C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	69. ± 1.	kJ/mol	HPMS	Guo, Conklin, et al., 1989	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	123.	J/mol*K	HPMS	Guo, Conklin, et al., 1989	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₁₀O = (Na⁺ C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	109. ± 5.0	kJ/mol	CIDT	Rodgers and Armentrout, 1999, 2	RCD

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₁₀O = (Na⁺ C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	117. ± 4.2	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	116. ± 4.2	kJ/mol	CIDT	Rodgers and Armentrout, 1999, 2	RCD

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₁₀O = (Na⁺ C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	105. ± 5.9	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	105. ± 5.9	kJ/mol	CIDT	Rodgers and Armentrout, 1999, 2	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₁₀O = (Na⁺ C₄H₁₀O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	117. ± 5.0	kJ/mol	CIDT	Rodgers and Armentrout, 1999, 2	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₄H₁₀O₂ = (Na⁺ C₄H₁₀O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	158. ± 4.2	kJ/mol	CIDT	Armentrout and Rodgers, 2000	glyme; RCD
_rH°	241. ± 18.	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	161. ± 4.2	kJ/mol	CIDT	More, Ray, et al., 1997	RCD
_rH°	197.	kJ/mol	HPMS	Castleman, Peterson, et al., 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	145.	J/mol*K	HPMS	Castleman, Peterson, et al., 1983	gas phase; M

Free energy of reaction

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

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₄H₁₀O₂) + C₄H₁₀O₂ = (Na⁺ 2C₄H₁₀O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	116. ± 7.9	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	114. ± 8.4	kJ/mol	CIDT	More, Ray, et al., 1997	RCD
_rH°	147.	kJ/mol	HPMS	Castleman, Peterson, et al., 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	169.	J/mol*K	HPMS	Castleman, Peterson, et al., 1983	gas phase; M

( Sodium ion (1+) 2) + = ( 3)

By formula: (Na⁺ 2C₄H₁₀O₂) + C₄H₁₀O₂ = (Na⁺ 3C₄H₁₀O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	97.1	kJ/mol	HPMS	Castleman, Peterson, et al., 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	177.	J/mol*K	HPMS	Castleman, Peterson, et al., 1983	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₅N = (Na⁺ C₅H₅N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	127. ± 3.	kJ/mol	CIDT	Amunugama and Rodgers, 2000	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₅N₅O = (Na⁺ C₅H₅N₅O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	182.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₅N₅ = (Na⁺ C₅H₅N₅)

Quantity	Value	Units	Method	Reference	Comment
_rH°	140. ± 4.2	kJ/mol	CIDT	Rodgers and Armentrout, 2000, 2	RCD
_rH°	172.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₆N₂O₂ = (Na⁺ C₅H₆N₂O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	135. ± 4.	kJ/mol	CIDT	Rodgers and Armentrout, 2000, 2	RCD
_rH°	144.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1996	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₆N₂ = (Na⁺ C₅H₆N₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	136. ± 4.	kJ/mol	CIDT	Rodgers, 2001	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₆N₂ = (Na⁺ C₅H₆N₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	146. ± 4.6	kJ/mol	CIDT	Rodgers, 2001	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₆N₂ = (Na⁺ C₅H₆N₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	146. ± 5.9	kJ/mol	CIDT	Rodgers, 2001	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₆O = (Na⁺ C₅H₆O)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₇N = (Na⁺ C₅H₇N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	111. ± 3.	kJ/mol	CIDT	Huang and Rodgers, 2002	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₈N₂O₂ = (Na⁺ C₅H₈N₂O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	149. ± 7.1	kJ/mol	CIDC	Cerda, Hoyau, et al., 1998	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₈O = (Na⁺ C₅H₈O)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₉NO₂ = (Na⁺ C₅H₉NO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	175. ± 13.	kJ/mol	IMRE	Gapeev and Dunbar, 2003	Anchor glycine=38.5+-2.3; RCD
_rH°	196.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₉NO₃S = (Na⁺ C₅H₉NO₃S)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
129.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₉NO₃ = (Na⁺ C₅H₉NO₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
134.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₉NO₄ = (Na⁺ C₅H₉NO₄)

Quantity	Value	Units	Method	Reference	Comment
_rH°	204.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₉NO₄ = (Na⁺ C₅H₉NO₄)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
142.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + C₅H₁₀N₂O₃S = ( C₅H₁₀N₂O₃S)

By formula: Na⁺ + C₅H₁₀N₂O₃S = (Na⁺ C₅H₁₀N₂O₃S)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
144.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₀N₂O₃ = (Na⁺ C₅H₁₀N₂O₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	212.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₀N₂O₃ = (Na⁺ C₅H₁₀N₂O₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	179. ± 7.1	kJ/mol	CIDC	Cerda, Hoyau, et al., 1998	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₀N₂O₃ = (Na⁺ C₅H₁₀N₂O₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	178. ± 7.1	kJ/mol	CIDC	Cerda, Hoyau, et al., 1998	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₀N₂O₃ = (Na⁺ C₅H₁₀N₂O₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
149.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₀N₂O₄ = (Na⁺ C₅H₁₀N₂O₄)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
156.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₀O = (Na⁺ C₅H₁₀O)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₀O₅ = (Na⁺ C₅H₁₀O₅)

Quantity	Value	Units	Method	Reference	Comment
_rH°	176.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	298.	CIDC	Cerda and Wesdemiotis, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₀O₅ = (Na⁺ C₅H₁₀O₅)

Quantity	Value	Units	Method	Reference	Comment
_rH°	170.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	298.	CIDC	Cerda and Wesdemiotis, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₀O₅ = (Na⁺ C₅H₁₀O₅)

Quantity	Value	Units	Method	Reference	Comment
_rH°	171.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	298.	CIDC	Cerda and Wesdemiotis, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₁NO₂ = (Na⁺ C₅H₁₁NO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	173. ± 13.	kJ/mol	IMRE	Gapeev and Dunbar, 2003	Anchor glycine=38.5+-2.1; RCD
_rH°	173.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₅H₁₂O₂ = (Na⁺ C₅H₁₂O₂)

Free energy of reaction

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

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₅F = (Na⁺ C₆H₅F)

Quantity	Value	Units	Method	Reference	Comment
_rH°	70. ± 3.	kJ/mol	CIDT	Amunugama and Rodgers, 2002	RCD

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₆H₅F) + C₆H₅F = (Na⁺ 2C₆H₅F)

Quantity	Value	Units	Method	Reference	Comment
_rH°	66. ± 4.	kJ/mol	CIDT	Amunugama and Rodgers, 2002	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₆O = (Na⁺ C₆H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	102. ± 3.	kJ/mol	CIDT	Amunugama and Rodgers, 2002, 2	RCD
_rH°	98. ± 3.	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD

Free energy of reaction

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

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₆H₆O) + C₆H₆O = (Na⁺ 2C₆H₆O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	82. ± 3.	kJ/mol	CIDT	Amunugama and Rodgers, 2002, 2	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₆ = (Na⁺ C₆H₆)

Quantity	Value	Units	Method	Reference	Comment
_rH°	95.4 ± 5.9	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
_rH°	88.3 ± 5.0	kJ/mol	CIDT	Amicangelo and Armentrout, 2000	RCD
_rH°	88.3 ± 4.6	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
_rH°	117.	kJ/mol	HPMS	Guo, Purnell, et al., 1990	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	131.	J/mol*K	HPMS	Guo, Purnell, et al., 1990	gas phase; M

Free energy of reaction

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

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₆H₆) + C₆H₆ = (Na⁺ 2C₆H₆)

Quantity	Value	Units	Method	Reference	Comment
_rH°	81. ± 5.	kJ/mol	AVG	N/A	Average of 7 values; Individual data points

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₇N = (Na⁺ C₆H₇N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	133. ± 4.	kJ/mol	CIDT	Rodgers, 2001, 2	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₇N = (Na⁺ C₆H₇N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	133. ± 4.2	kJ/mol	CIDT	Rodgers, 2001, 2	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₇N = (Na⁺ C₆H₇N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	128. ± 4.6	kJ/mol	CIDT	Rodgers, 2001, 2	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₉NO₅ = (Na⁺ C₆H₉NO₅)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
146.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₉N₃O₂ = (Na⁺ C₆H₉N₃O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	219.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₀N₂O₂ = (Na⁺ C₆H₁₀N₂O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	151. ± 7.1	kJ/mol	CIDC	Cerda, Hoyau, et al., 1998	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₀N₂O₅ = (Na⁺ C₆H₁₀N₂O₅)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
161.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₂N₂O₃ = (Na⁺ C₆H₁₂N₂O₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	180. ± 7.1	kJ/mol	CIDC	Cerda, Hoyau, et al., 1998	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₂N₂O₄ = (Na⁺ C₆H₁₂N₂O₄)

Quantity	Value	Units	Method	Reference	Comment
_rH°	181. ± 7.1	kJ/mol	CIDC	Cerda, Hoyau, et al., 1998	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₂N₂O₄ = (Na⁺ C₆H₁₂N₂O₄)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
162.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₂O₆ = (Na⁺ C₆H₁₂O₆)

Quantity	Value	Units	Method	Reference	Comment
_rH°	174.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	298.	CIDC	Cerda and Wesdemiotis, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₂O₆ = (Na⁺ C₆H₁₂O₆)

Quantity	Value	Units	Method	Reference	Comment
_rH°	179.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	298.	CIDC	Cerda and Wesdemiotis, 1999	RCD

Sodium ion (1+) + C₆H₁₂O₆ = ( C₆H₁₂O₆)

By formula: Na⁺ + C₆H₁₂O₆ = (Na⁺ C₆H₁₂O₆)

Quantity	Value	Units	Method	Reference	Comment
_rH°	177.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	298.	CIDC	Cerda and Wesdemiotis, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₃NO₂ = (Na⁺ C₆H₁₃NO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	175.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₃NO₂ = (Na⁺ C₆H₁₃NO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	176.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₃NO₂ = (Na⁺ C₆H₁₃NO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	179. ± 13.	kJ/mol	IMRE	Gapeev and Dunbar, 2003	Anchor glycine=38.5+-2.8; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₄N₂O₂ = (Na⁺ C₆H₁₄N₂O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	>213.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₆H₁₄N₄O₂ = (Na⁺ C₆H₁₄N₄O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	>225.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₇H₈O = (Na⁺ C₇H₈O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	113. ± 8.4	kJ/mol	CIDT	Amunugama and Rodgers, 2003	RCD

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₇H₈O) + C₇H₈O = (Na⁺ 2C₇H₈O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	90. ± 3.	kJ/mol	CIDT	Amunugama and Rodgers, 2003	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₇H₈ = (Na⁺ C₇H₈)

Quantity	Value	Units	Method	Reference	Comment
_rH°	112. ± 3.	kJ/mol	CIDT	Amunugama and Rodgers, 2002, 3	RCD

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ C₇H₈) + C₇H₈ = (Na⁺ 2C₇H₈)

Quantity	Value	Units	Method	Reference	Comment
_rH°	87. ± 2.	kJ/mol	CIDT	Amunugama and Rodgers, 2002, 3	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₇H₁₀NO₃ = (Na⁺ C₇H₁₀NO₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
147.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₇H₁₁NO₅ = (Na⁺ C₇H₁₁NO₅)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
155.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₇H₁₂N₂O₃ = (Na⁺ C₇H₁₂N₂O₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
163.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₇H₁₂N₂O₅ = (Na⁺ C₇H₁₂N₂O₅)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
170.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₇H₁₃NO₃S = (Na⁺ C₇H₁₃NO₃S)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
144.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₇H₁₃NO₃ = (Na⁺ C₇H₁₃NO₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
140.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + C₇H₁₄N₂O₃S = ( C₇H₁₄N₂O₃S)

By formula: Na⁺ + C₇H₁₄N₂O₃S = (Na⁺ C₇H₁₄N₂O₃S)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
156.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₇H₁₄N₂O₃ = (Na⁺ C₇H₁₄N₂O₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
154.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₈H₁₅NO₃ = (Na⁺ C₈H₁₅NO₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
142.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₈H₁₆N₂O₃ = (Na⁺ C₈H₁₆N₂O₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
154.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₈H₁₆O₄ = (Na⁺ C₈H₁₆O₄)

Quantity	Value	Units	Method	Reference	Comment
_rH°	372. ± 51.	kJ/mol	CIDT	More, Ray, et al., 1997	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₉H₁₁NO₂ = (Na⁺ C₉H₁₁NO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	198. ± 13.	kJ/mol	IMRE	Gapeev and Dunbar, 2003	Anchor glycine=38.5+-2.5; RCD
_rH°	198.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₉H₁₁NO₃ = (Na⁺ C₉H₁₁NO₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	201.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₀H₂₀O₅ = (Na⁺ C₁₀H₂₀O₅)

Quantity	Value	Units	Method	Reference	Comment
_rH°	294. ± 18.	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	298. ± 18.	kJ/mol	CIDT	More, Ray, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₁H₁₂N₂O₂ = (Na⁺ C₁₁H₁₂N₂O₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	205. ± 13.	kJ/mol	IMRE	Gapeev and Dunbar, 2003	Anchor glycine=38.5+-2.6; RCD
_rH°	210.	kJ/mol	CIDC	Kish, Ohanessian, et al., 2003	Anchor alanine=39.89; RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₁H₁₃NO₃ = (Na⁺ C₁₁H₁₃NO₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
146.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₁H₁₃NO₄ = (Na⁺ C₁₁H₁₃NO₄)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
145.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₁H₁₄N₂O₃ = (Na⁺ C₁₁H₁₄N₂O₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
159.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₁H₁₄N₂O₄ = (Na⁺ C₁₁H₁₄N₂O₄)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
159.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₂H₂₂O₁₁ = (Na⁺ C₁₂H₂₂O₁₁)

Quantity	Value	Units	Method	Reference	Comment
_rH°	204.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	298.	CIDC	Cerda and Wesdemiotis, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₂H₂₂O₁₁ = (Na⁺ C₁₂H₂₂O₁₁)

Quantity	Value	Units	Method	Reference	Comment
_rH°	201.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	298.	CIDC	Cerda and Wesdemiotis, 1999	RCD

Sodium ion (1+) + C₁₂H₂₂O₁₁ = ( C₁₂H₂₂O₁₁)

By formula: Na⁺ + C₁₂H₂₂O₁₁ = (Na⁺ C₁₂H₂₂O₁₁)

Quantity	Value	Units	Method	Reference	Comment
_rH°	198.	kJ/mol	CIDC	Cerda and Wesdemiotis, 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	298.	CIDC	Cerda and Wesdemiotis, 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₂H₂₄O₆ = (Na⁺ C₁₂H₂₄O₆)

Quantity	Value	Units	Method	Reference	Comment
_rH°	296. ± 19.	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	300. ± 19.	kJ/mol	CIDT	More, Ray, et al., 1999	RCD

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.0	0.	CIDT	Rodgers and Armentrout, 2000	RCD
0.0	298.	CIDT	More, Ray, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₃H₁₄NO₃ = (Na⁺ C₁₃H₁₄NO₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
156.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + C₁₃H₁₅N₂O₃ = (Na⁺ C₁₃H₁₅N₂O₃)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
172.	0.	CIDC	Feng, Gronert, et al., 1999	RCD

Sodium ion (1+) + = ( )

By formula: Na⁺ + ClNa = (Na⁺ ClNa)

Quantity	Value	Units	Method	Reference	Comment
_rH°	177.	kJ/mol	MS	Chupka, 1959	gas phase; Knudsen cell; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	73.6	J/mol*K	MS	Chupka, 1959	gas phase; Knudsen cell; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + FNa = (Na⁺ FNa)

Quantity	Value	Units	Method	Reference	Comment
_rH°	262.	kJ/mol	MS	Tsirlina, Gusarov, et al., 1986	gas phase; Knudsen cell; M

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ FNa) + FNa = (Na⁺ 2FNa)

Quantity	Value	Units	Method	Reference	Comment
_rH°	200.	kJ/mol	MS	Tsirlina, Gusarov, et al., 1986	gas phase; Knudsen cell; M

Sodium ion (1+) + F₃Sc = ( F₃Sc)

By formula: Na⁺ + F₃Sc = (Na⁺ F₃Sc)

Quantity	Value	Units	Method	Reference	Comment
_rH°	140.	kJ/mol	MS	Tsirlina, Gusarov, et al., 1986	gas phase; Knudsen cell; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + HCl = (Na⁺ HCl)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.0	kJ/mol	FA	Perry, Rowe, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	85.4	J/mol*K	FA	Perry, Rowe, et al., 1980	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + HNO₃ = (Na⁺ HNO₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	86.2	kJ/mol	FA	Perry, Rowe, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.9	J/mol*K	FA	Perry, Rowe, et al., 1980	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + H₂O = (Na⁺ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	100.	kJ/mol	HPMS	Dzidic and Kebarle, 1970	gas phase; M
_rH°	87.9 ± 5.9	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
_rH°	82.0 ± 5.9	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
_rH°	95.0 ± 7.9	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	111.	kJ/mol	MS	Burdett and Hayhurst, 1982	gas phase; flame source, 1600 K; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	90.0	J/mol*K	HPMS	Dzidic and Kebarle, 1970	gas phase; M
_rS°	92.	J/mol*K	MS	Burdett and Hayhurst, 1982	gas phase; flame source, 1600 K; M

Enthalpy of reaction

_rH° (kJ/mol)	T (K)	Method	Reference	Comment
94.6 (+7.5,-0.)		CID	Dalleska, Tjelta, et al., 1994	gas phase; guided ion beam CID, Na+ (3s0); M

Free energy of reaction

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

( Sodium ion (1+) ) + = ( )

By formula: (Na⁺ H₂O) + CO₂ = (Na⁺ CO₂ H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	52.7	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	94.1	J/mol*K	HPMS	Peterson, Mark, et al., 1984	gas phase; M

( Sodium ion (1+) 2) + = ( 2)

By formula: (Na⁺ 2H₂O) + CO₂ = (Na⁺ CO₂ 2H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	43.1	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	100.	J/mol*K	HPMS	Peterson, Mark, et al., 1984	gas phase; M

( Sodium ion (1+) 3) + = ( 3)

By formula: (Na⁺ 3H₂O) + CO₂ = (Na⁺ CO₂ 3H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	30.	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	100.	J/mol*K	N/A	Peterson, Mark, et al., 1984	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	-1.	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; Entropy change calculated or estimated; M

( Sodium ion (1+) ) + = ( 2 )

By formula: (Na⁺ H₂O CO₂) + H₂O = (Na⁺ 2H₂O CO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	72.8	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	98.7	J/mol*K	HPMS	Peterson, Mark, et al., 1984	gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M

( Sodium ion (1+) 2 ) + = ( 3 )

By formula: (Na⁺ 2H₂O CO₂) + H₂O = (Na⁺ 3H₂O CO₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.9	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	96.	J/mol*K	HPMS	Peterson, Mark, et al., 1984	gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	23.	kJ/mol	HPMS	Peterson, Mark, et al., 1984	gas phase; From thermochemical cycle; Dzidic and Kebarle, 1970; M

( Sodium ion (1+) ) + = ( 2)

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	79. ± 8.	kJ/mol	AVG	N/A	Average of 8 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
_rS°	92.9	J/mol*K	HPMS	Dzidic and Kebarle, 1970	gas phase; M
_rS°	96.	J/mol*K	N/A	Blades, Jayaweera, et al., 1990	gas phase; electrospray, Entropy change calculated or estimated; M

Enthalpy of reaction

_rH° (kJ/mol)	T (K)	Method	Reference	Comment
82.0 (+5.9,-0.)		CID	Dalleska, Tjelta, et al., 1994	gas phase; guided ion beam CID, Na+ (3s0); M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
41.8	300.	HPMS	Blades, Jayaweera, et al., 1990	gas phase; electrospray, Entropy change calculated or estimated; M

( Sodium ion (1+) 2) + = ( 3)

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	62.3	kJ/mol	HPMS	Tang, Lian, et al., 1976	gas phase; M
_rH°	66.1	kJ/mol	HPMS	Dzidic and Kebarle, 1970	gas phase; M
_rH°	69.9 ± 5.9	kJ/mol	CIDT	Rodgers and Armentrout, 2000	RCD
_rH°	67.4	kJ/mol	ES/HPMS	Blades, Klassen, et al., 1996	gas phase; M
_rH°	70. ± 10.	kJ/mol	HPMS	Blades, Jayaweera, et al., 1990	gas phase; electrospray, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	87.0	J/mol*K	HPMS	Tang, Lian, et al., 1976	gas phase; M
_rS°	91.6	J/mol*K	HPMS	Dzidic and Kebarle, 1970	gas phase; M
_rS°	92.0	J/mol*K	ES/HPMS	Blades, Klassen, et al., 1996	gas phase; M
_rS°	96.	J/mol*K	N/A	Blades, Jayaweera, et al., 1990	gas phase; electrospray, Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	40.	kJ/mol	ES/HPMS	Blades, Klassen, et al., 1996	gas phase; M

Enthalpy of reaction

_rH° (kJ/mol)	T (K)	Method	Reference	Comment
70.3 (+5.9,-0.)		CID	Dalleska, Tjelta, et al., 1994	gas phase; guided ion beam CID, Na+ (3s0); M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
39.	300.	HPMS	Blades, Jayaweera, et al., 1990	gas phase; electrospray, Entropy change calculated or estimated; M

( Sodium ion (1+) 3) + = ( 4)

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	55. ± 4.	kJ/mol	AVG	N/A	Average of 7 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
_rS°	99. ± 10.	J/mol*K	AVG	N/A	Average of 6 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
_rG°	26.	kJ/mol	ES/HPMS	Blades, Klassen, et al., 1996	gas phase; M

Enthalpy of reaction

_rH° (kJ/mol)	T (K)	Method	Reference	Comment
54.8 (+5.9,-0.)		CID	Dalleska, Tjelta, et al., 1994	gas phase; guided ion beam CID, Na+ (3s0); M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
28.	293.	ES/HPMS	Klassen, Blades, et al., 1995	gas phase; M
27.	300.	HPMS	Blades, Jayaweera, et al., 1990	gas phase; electrospray, Entropy change calculated or estimated; M

( Sodium ion (1+) 4) + = ( 5)

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	44.8	kJ/mol	HPMS	Tang, Lian, et al., 1976	gas phase; M
_rH°	48.5	kJ/mol	HPMS	Tang and Castleman, 1972	gas phase; M
_rH°	51.5	kJ/mol	HPMS	Dzidic and Kebarle, 1970	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	104.	J/mol*K	HPMS	Tang, Lian, et al., 1976	gas phase; M
_rS°	111.	J/mol*K	HPMS	Tang and Castleman, 1972	gas phase; M
_rS°	118.	J/mol*K	HPMS	Dzidic and Kebarle, 1970	gas phase; M

Free energy of reaction

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

( Sodium ion (1+) 5) + = ( 6)

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	44.8	kJ/mol	HPMS	Dzidic and Kebarle, 1970	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	109.	J/mol*K	HPMS	Dzidic and Kebarle, 1970	gas phase; M

( Sodium ion (1+) ) + = ( )

By formula: (Na⁺ H₂O) + O₂S = (Na⁺ O₂S H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rH°	59.0	kJ/mol	HPMS	Upschulte, Schelling, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	72.8	J/mol*K	HPMS	Upschulte, Schelling, et al., 1984	gas phase; M

( Sodium ion (1+) 3) + = ( 3)

By formula: (Na⁺ 3H₂O) + O₂S = (Na⁺ O₂S 3H₂O)

Quantity	Value	Units	Method	Reference	Comment
_rG°	20.	kJ/mol	HPMS	Banic and Iribarne, 1985	gas phase; electric fields; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + H₂ = (Na⁺ H₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	12.3	kJ/mol	SIDT	Bushnell, Kemper, et al., 1994	gas phase; «DELTA»_rH(0K) = 10.3 kJ/mol; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	55.2	J/mol*K	SIDT	Bushnell, Kemper, et al., 1994	gas phase; «DELTA»_rH(0K) = 10.3 kJ/mol; M

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ H₂) + H₂ = (Na⁺ 2H₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	10.1	kJ/mol	SIDT	Bushnell, Kemper, et al., 1994	gas phase; «DELTA»_rH(0K) = 9.41 kJ/mol; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	51.9	J/mol*K	SIDT	Bushnell, Kemper, et al., 1994	gas phase; «DELTA»_rH(0K) = 9.41 kJ/mol; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + H₃N = (Na⁺ H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	102. ± 5.4	kJ/mol	CIDC	Amicangelo and Armentrout, 2001	Anchor NH3=24.41; RCD
_rH°	102. ± 5.4	kJ/mol	CIDT	Armentrout and Rodgers, 2000	RCD
_rH°	107. ± 0.8	kJ/mol	HPMS	Hoyau, Norrman, et al., 1999	RCD
_rH°	122.	kJ/mol	HPMS	Castleman, Holland, et al., 1978	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	91200.	J/mol*K	HPMS	Hoyau, Norrman, et al., 1999	RCD
_rS°	108.	J/mol*K	HPMS	Castleman, Holland, et al., 1978	gas phase; M

Free energy of reaction

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

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ H₃N) + H₃N = (Na⁺ 2H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	93. ± 5.	kJ/mol	AVG	N/A	Average of 6 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
_rS°	105.	J/mol*K	HPMS	Castleman, Holland, et al., 1978	gas phase; M

( Sodium ion (1+) 2) + = ( 3)

By formula: (Na⁺ 2H₃N) + H₃N = (Na⁺ 3H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	71.5	kJ/mol	HPMS	Castleman, Holland, et al., 1978	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	100.	J/mol*K	HPMS	Castleman, Holland, et al., 1978	gas phase; M

( Sodium ion (1+) 3) + = ( 4)

By formula: (Na⁺ 3H₃N) + H₃N = (Na⁺ 4H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	61.5	kJ/mol	HPMS	Castleman, Holland, et al., 1978	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	121.	J/mol*K	HPMS	Castleman, Holland, et al., 1978	gas phase; M

( Sodium ion (1+) 4) + = ( 5)

By formula: (Na⁺ 4H₃N) + H₃N = (Na⁺ 5H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	44.8	kJ/mol	HPMS	Castleman, Holland, et al., 1978	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	125.	J/mol*K	HPMS	Castleman, Holland, et al., 1978	gas phase; M

( Sodium ion (1+) 5) + = ( 6)

By formula: (Na⁺ 5H₃N) + H₃N = (Na⁺ 6H₃N)

Quantity	Value	Units	Method	Reference	Comment
_rH°	41.	kJ/mol	HPMS	Castleman, Holland, et al., 1978	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	124.	J/mol*K	HPMS	Castleman, Holland, et al., 1978	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + He = (Na⁺ He)

Quantity	Value	Units	Method	Reference	Comment
_rH°	4.98	kJ/mol	SCATTERING	Gislason, 1984	gas phase; M
_rH°	3.3	kJ/mol	IMob	Viehland, 1984	gas phase; M
_rH°	3.9	kJ/mol	IMob	Mason and Sharp, 1958	gas phase; M
_rH°	5.77	kJ/mol	IMob	Takebe, 1983	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + Kr = (Na⁺ Kr)

Quantity	Value	Units	Method	Reference	Comment
_rH°	20.3	kJ/mol	SCATTERING	Gislason, 1984	gas phase; M
_rH°	21.3	kJ/mol	IMob	Viehland, 1984	gas phase; M
_rH°	24.	kJ/mol	DT	McKnight and Sawina, 1973	gas phase; M
_rH°	27.5	kJ/mol	IMob	Takebe, 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	77.4	J/mol*K	DT	McKnight and Sawina, 1973	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + N₂ = (Na⁺ N₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	33.	kJ/mol	FA	Perry, Rowe, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	77.8	J/mol*K	FA	Perry, Rowe, et al., 1980	gas phase; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
9.2	310.	FA	Perry, Rowe, et al., 1980	gas phase; M
8.4	310.	DT	Beyer and Keller, 1971	gas phase; low E/N; M

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ N₂) + N₂ = (Na⁺ 2N₂)

Quantity	Value	Units	Method	Reference	Comment
_rH°	22.	kJ/mol	FA	Perry, Rowe, et al., 1980	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	70.3	J/mol*K	FA	Perry, Rowe, et al., 1980	gas phase; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
-1.	310.	FA	Perry, Rowe, et al., 1980	gas phase; M

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ Na) + Na = (Na⁺ 2Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	133.	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 2) + = ( 3)

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	56.1	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 3) + = ( 4)

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

Quantity	Value	Units	Method	Reference	Comment
_rH°	84.1	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 4) + = ( 5)

By formula: (Na⁺ 4Na) + Na = (Na⁺ 5Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	57.7	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 5) + = ( 6)

By formula: (Na⁺ 5Na) + Na = (Na⁺ 6Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	110.	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 6) + = ( 7)

By formula: (Na⁺ 6Na) + Na = (Na⁺ 7Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	73.2	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 7) + = ( 8)

By formula: (Na⁺ 7Na) + Na = (Na⁺ 8Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	126.	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 8) + = ( 9)

By formula: (Na⁺ 8Na) + Na = (Na⁺ 9Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	75.3	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; «DELTA»_rH<; M

( Sodium ion (1+) 9) + = ( 10)

By formula: (Na⁺ 9Na) + Na = (Na⁺ 10Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	75.3	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 10) + = ( 11)

By formula: (Na⁺ 10Na) + Na = (Na⁺ 11Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	65.7	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 11) + = ( 12)

By formula: (Na⁺ 11Na) + Na = (Na⁺ 12Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	87.0	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 12) + = ( 13)

By formula: (Na⁺ 12Na) + Na = (Na⁺ 13Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	69.5	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 13) + = ( 14)

By formula: (Na⁺ 13Na) + Na = (Na⁺ 14Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	76.1	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 14) + = ( 15)

By formula: (Na⁺ 14Na) + Na = (Na⁺ 15Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	66.5	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 15) + = ( 16)

By formula: (Na⁺ 15Na) + Na = (Na⁺ 16Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	79.1	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 16) + = ( 17)

By formula: (Na⁺ 16Na) + Na = (Na⁺ 17Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	82.8	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 17) + = ( 18)

By formula: (Na⁺ 17Na) + Na = (Na⁺ 18Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	87.0	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 18) + = ( 19)

By formula: (Na⁺ 18Na) + Na = (Na⁺ 19Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	82.0	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 19) + = ( 20)

By formula: (Na⁺ 19Na) + Na = (Na⁺ 20Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	89.5	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 22) + = ( 23)

By formula: (Na⁺ 22Na) + Na = (Na⁺ 23Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	71.5	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 23) + = ( 24)

By formula: (Na⁺ 23Na) + Na = (Na⁺ 24Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	79.1	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 24) + = ( 25)

By formula: (Na⁺ 24Na) + Na = (Na⁺ 25Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	76.1	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 25) + = ( 26)

By formula: (Na⁺ 25Na) + Na = (Na⁺ 26Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	81.2	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 26) + = ( 27)

By formula: (Na⁺ 26Na) + Na = (Na⁺ 27Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	76.1	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 27) + = ( 28)

By formula: (Na⁺ 27Na) + Na = (Na⁺ 28Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	84.1	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 28) + = ( 29)

By formula: (Na⁺ 28Na) + Na = (Na⁺ 29Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	82.8	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 29) + = ( 30)

By formula: (Na⁺ 29Na) + Na = (Na⁺ 30Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	85.8	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 30) + = ( 31)

By formula: (Na⁺ 30Na) + Na = (Na⁺ 31Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	81.2	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 31) + = ( 32)

By formula: (Na⁺ 31Na) + Na = (Na⁺ 32Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	87.9	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 32) + = ( 33)

By formula: (Na⁺ 32Na) + Na = (Na⁺ 33Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	88.7	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 33) + = ( 34)

By formula: (Na⁺ 33Na) + Na = (Na⁺ 34Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	91.6	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 34) + = ( 35)

By formula: (Na⁺ 34Na) + Na = (Na⁺ 35Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	82.0	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

( Sodium ion (1+) 35) + = ( 36)

By formula: (Na⁺ 35Na) + Na = (Na⁺ 36Na)

Quantity	Value	Units	Method	Reference	Comment
_rH°	87.0	kJ/mol	PDiss	Brechignac, Cahuzac, et al., 1989	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + Ne = (Na⁺ Ne)

Quantity	Value	Units	Method	Reference	Comment
_rH°	7.36	kJ/mol	SCATTERING	Gislason, 1984	gas phase; M
_rH°	6.36	kJ/mol	IMob	Viehland, 1984	gas phase; M
_rH°	6.07	kJ/mol	IMob	Takebe, 1983	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + O₂S = (Na⁺ O₂S)

Quantity	Value	Units	Method	Reference	Comment
_rH°	79.1	kJ/mol	FA	Perry, Rowe, et al., 1980	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.9	J/mol*K	N/A	Perry, Rowe, et al., 1980	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rG°	53.6	kJ/mol	FA	Perry, Rowe, et al., 1980	gas phase; Entropy change calculated or estimated; M

( Sodium ion (1+) ) + = ( )

By formula: (Na⁺ O₂S) + H₂O = (Na⁺ H₂O O₂S)

Quantity	Value	Units	Method	Reference	Comment
_rH°	82.8	kJ/mol	HPMS	Upschulte, Schelling, et al., 1984	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	84.5	J/mol*K	HPMS	Upschulte, Schelling, et al., 1984	gas phase; M

( Sodium ion (1+) ) + = ( 2)

By formula: (Na⁺ O₂S) + O₂S = (Na⁺ 2O₂S)

Quantity	Value	Units	Method	Reference	Comment
_rH°	69.5	kJ/mol	HPMS	Castleman, Peterson, et al., 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	107.	J/mol*K	HPMS	Castleman, Peterson, et al., 1983	gas phase; M

( Sodium ion (1+) 2) + = ( 3)

By formula: (Na⁺ 2O₂S) + O₂S = (Na⁺ 3O₂S)

Quantity	Value	Units	Method	Reference	Comment
_rH°	59.8	kJ/mol	HPMS	Castleman, Peterson, et al., 1983	gas phase; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	113.	J/mol*K	HPMS	Castleman, Peterson, et al., 1983	gas phase; M

( Sodium ion (1+) 3) + = ( 4)

By formula: (Na⁺ 3O₂S) + O₂S = (Na⁺ 4O₂S)

Quantity	Value	Units	Method	Reference	Comment
_rH°	51.5	kJ/mol	HPMS	Castleman, Peterson, et al., 1983	gas phase; Entropy change calculated or estimated; M
Quantity	Value	Units	Method	Reference	Comment
_rS°	110.	J/mol*K	N/A	Castleman, Peterson, et al., 1983	gas phase; Entropy change calculated or estimated; M

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
13.	328.	HPMS	Castleman, Peterson, et al., 1983	gas phase; Entropy change calculated or estimated; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + O₂ = (Na⁺ O₂)

Free energy of reaction

_rG° (kJ/mol)	T (K)	Method	Reference	Comment
0.8	310.	DT	Keller and Beyer, 1971	gas phase; low E/N; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + O₃ = (Na⁺ O₃)

Quantity	Value	Units	Method	Reference	Comment
_rH°	52.3	kJ/mol	FA	Rowe, Viggiano, et al., 1982	gas phase; M

Sodium ion (1+) + = ( )

By formula: Na⁺ + Xe = (Na⁺ Xe)

Quantity	Value	Units	Method	Reference	Comment
_rH°	25.0	kJ/mol	SCATTERING	Gislason, 1984	gas phase; M
_rH°	24.9	kJ/mol	IMob	Viehland, 1984	gas phase; M
_rH°	39.8	kJ/mol	IMob	Takebe, 1983	gas phase; M

References

Go To: Top, Ion clustering data, Notes

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Notes

Go To: Top, Ion clustering data, References

Symbols used in this document:

T Temperature

_rG° Free energy of reaction at standard conditions

_rH° Enthalpy of reaction at standard conditions

_rS° Entropy of reaction at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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T	Temperature
_rG°	Free energy of reaction at standard conditions
_rH°	Enthalpy of reaction at standard conditions
_rS°	Entropy of reaction at standard conditions