Ammonia
- Formula: H3N
- Molecular weight: 17.0305
- IUPAC Standard InChIKey: QGZKDVFQNNGYKY-UHFFFAOYSA-N
- CAS Registry Number: 7664-41-7
- 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: Ammonia gas; Nitro-Sil; Spirit of Hartshorn; NH3; Ammonia, anhydrous; Anhydrous ammonia; Aromatic Ammonia, Vaporole
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Gas phase ion energetics data
Go To: Top, Ion clustering data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to H3N+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.070 ± 0.020 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 853.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 819.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
H+ | 18.57 | H2N | PI | Qi, Sheng, et al., 1995 | LL |
HN+ | 28. ± 1.5 | H2/2H | EI | Muller and Schulz, 1990 | LL |
HN+ | 16.9 ± 0.1 | H2 | EI | Locht, Servais, et al., 1988 | LL |
HN+ | 17.2 | H2 | EI | Morrison and Traeger, 1973 | LLK |
NH+ | 17.1 ± 0.1 | H2 | EI | Reed and Snedden, 1959 | RDSH |
H2N+ | 15.75 | H | PI | Qi, Sheng, et al., 1995 | LL |
H2N+ | 15.60 ± 0.02 | H | PIPECO | Ruede, Troxler, et al., 1993 | LL |
H2N+ | 15.75 | H | PI | Locht, Hottmann, et al., 1992 | LL |
H2N+ | 15.76 ± 0.05 | H | PI | Locht, Servais, et al., 1988 | LL |
H2N+ | 15.76 ± 0.05 | H | EI | Locht, Servais, et al., 1988 | LL |
H2N+ | 15.5 | H | PIPECO | Powis, 1981 | LLK |
H2N+ | 15.87 ± 0.13 | H | DER | Powis, 1981 | LLK |
H2N+ | 15.768 ± 0.004 | H | PI | McCulloh, 1976 | LLK |
H2N+ | 15.0 | H | EI | Morrison and Traeger, 1973 | LLK |
NH2+ | 15.73 ± 0.02 | H | PI | Dibeler, Walker, et al., 1966 | RDSH |
NH2+ | 16.0 ± 0.1 | H | EI | Foner and Hudson, 1958 | RDSH |
N+ | ≤22.5 | H2+H | EI | Morrison and Traeger, 1973 | LLK |
N+ | 22.6 ± 0.1 | H2+H | EI | Reed and Snedden, 1959 | RDSH |
De-protonation reactions
H2N- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1688.0 ± 1.2 | kJ/mol | D-EA | Wickham-Jones, Ervin, et al., 1989 | gas phase; B |
ΔrH° | 1688.5 ± 3.3 | kJ/mol | G+TS | MacKay, Hemsworth, et al., 1976 | gas phase; B |
ΔrH° | 1683.2 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; HCrO3(t); ; ΔS(EA)=6.6; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1656.8 ± 1.6 | kJ/mol | H-TS | Wickham-Jones, Ervin, et al., 1989 | gas phase; B |
ΔrG° | 1657.3 ± 2.9 | kJ/mol | IMRE | MacKay, Hemsworth, et al., 1976 | gas phase; B |
ΔrG° | 1654.4 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; HCrO3(t); ; ΔS(EA)=6.6; B |
Ion clustering data
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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
By formula: (Ag+ • H3N) + H3N = (Ag+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 154. | kJ/mol | HPMS | Holland and Castleman, 1982 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 137. | J/mol*K | HPMS | Holland and Castleman, 1982 | gas phase; M |
By formula: (Ag+ • 2H3N) + H3N = (Ag+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 61.1 | kJ/mol | HPMS | Holland and Castleman, 1982 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 103. | J/mol*K | HPMS | Holland and Castleman, 1982 | gas phase; M |
By formula: (Ag+ • 3H3N) + H3N = (Ag+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.4 | kJ/mol | HPMS | Holland and Castleman, 1982 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 126. | J/mol*K | HPMS | Holland and Castleman, 1982 | gas phase; M |
By formula: (Ag+ • 4H3N) + H3N = (Ag+ • 5H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 53.6 | kJ/mol | HPMS | Holland and Castleman, 1982 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 143. | J/mol*K | HPMS | Holland and Castleman, 1982 | gas phase; M |
By formula: Bi+ + H3N = (Bi+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 149. | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 149. | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: (Bi+ • H3N) + H3N = (Bi+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 97.1 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 138. | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: (Bi+ • 2H3N) + H3N = (Bi+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 56.1 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 109. | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: Br- + H3N = (Br- • H3N)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.2 ± 0.42 | kJ/mol | TDAs | Evans, Keesee, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 79.9 | J/mol*K | HPMS | Evans, Keesee, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.37 ± 0.84 | kJ/mol | TDAs | Evans, Keesee, et al., 1987 | gas phase; B |
By formula: CH6N+ + H3N = (CH6N+ • H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 89.5 | kJ/mol | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 110. | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
By formula: C2H8N+ + H3N = (C2H8N+ • H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 86.2 | kJ/mol | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 118. | J/mol*K | PHPMS | Yamdagni and Kebarle, 1974 | gas phase; M |
By formula: C3H9Si+ + H3N = (C3H9Si+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 195. | kJ/mol | PHPMS | Li and Stone, 1990 | gas phase; switching reaction((CH3)3Si+)CH3COOC2H5; Wojtyniak and Stone, 1986; M |
By formula: C3H9Sn+ + H3N = (C3H9Sn+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 154. | kJ/mol | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 122. | J/mol*K | N/A | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
90.4 | 525. | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M |
By formula: C4H9+ + H3N = (C4H9+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 196. | kJ/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1991 | gas phase; forms t-C4H9NH3+; M |
ΔrH° | 190. | kJ/mol | PHPMS | Szulejko and McMahon, 1991 | gas phase; forms t-C4H9NH3+; M |
ΔrH° | 195. | kJ/mol | PHPMS | Meot-Ner (Mautner) and Sieck, 1990 | gas phase; forms t-C4H9NH3+; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 183. | J/mol*K | PHPMS | Meot-Ner (Mautner) and Sieck, 1991 | gas phase; forms t-C4H9NH3+; M |
ΔrS° | 198. | J/mol*K | PHPMS | Szulejko and McMahon, 1991 | gas phase; forms t-C4H9NH3+; M |
ΔrS° | 184. | J/mol*K | PHPMS | Meot-Ner (Mautner) and Sieck, 1990 | gas phase; forms t-C4H9NH3+; M |
By formula: C5H10NO2+ + H3N = (C5H10NO2+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 86.2 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 121. | J/mol*K | PHPMS | Meot-Ner and Field, 1974 | gas phase; M |
By formula: C5H12NO2+ + H3N = (C5H12NO2+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.4 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 120. | J/mol*K | PHPMS | Meot-Ner and Field, 1974 | gas phase; M |
By formula: C6H15O3+ + H3N = (C6H15O3+ • H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 127. | kJ/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 117. | J/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
By formula: Cl- + H3N = (Cl- • H3N)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | <30.5 ± 1.7 | kJ/mol | N/A | Tschurl and Boesl, 2008 | gas phase; B |
ΔrH° | 34.3 ± 0.42 | kJ/mol | TDAs | Evans, Keesee, et al., 1987 | gas phase; B,M |
ΔrH° | 37. ± 5.0 | kJ/mol | N/A | Markovich, Chesnovsky, et al., 1993 | gas phase; B |
ΔrH° | 44. ± 17. | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 64.4 | J/mol*K | HPMS | Evans, Keesee, et al., 1987 | gas phase; M |
ΔrS° | 83.3 | J/mol*K | N/A | Larson and McMahon, 1984 | gas phase; switching reaction(Cl-)CH3F, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 15.1 ± 0.84 | kJ/mol | TDAs | Evans, Keesee, et al., 1987 | gas phase; B |
ΔrG° | 19. ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
By formula: Co+ + H3N = (Co+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 218. ± 15. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 246. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Co+ • H3N) + H3N = (Co+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 248. ± 13. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 256. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Co+ • 2H3N) + H3N = (Co+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 64.0 ± 5.9 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: (Co+ • 3H3N) + H3N = (Co+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 49.0 ± 5.9 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: Cr+ + H3N = (Cr+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 182. ± 10. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 156. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Cr+ • H3N) + H3N = (Cr+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 179. ± 9.2 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 171. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Cr+ • 2H3N) + H3N = (Cr+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.0 ± 5.9 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: (Cr+ • 3H3N) + H3N = (Cr+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30. ± 9.2 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: Cu+ + H3N = (Cu+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 237. ± 14. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: (Cu+ • H3N) + H3N = (Cu+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 246. ± 10. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: (Cu+ • 2H3N) + H3N = (Cu+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.9 ± 5.9 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 58.6 | kJ/mol | HPMS | Holland and Castleman, 1982 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 99.6 | J/mol*K | HPMS | Holland and Castleman, 1982 | gas phase; M |
By formula: (Cu+ • 3H3N) + H3N = (Cu+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 41.8 ± 5.9 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 53.6 | kJ/mol | HPMS | Holland and Castleman, 1982 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 120. | J/mol*K | HPMS | Holland and Castleman, 1982 | gas phase; M |
By formula: (Cu+ • 4H3N) + H3N = (Cu+ • 5H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 53.6 | kJ/mol | HPMS | Holland and Castleman, 1982 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 138. | J/mol*K | HPMS | Holland and Castleman, 1982 | gas phase; M |
By formula: F- + H3N = (F- • H3N)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 96. | kJ/mol | FA | Spears and Ferguson, 1973 | gas phase; ΔrH>; M |
By formula: Fe+ + H3N = (Fe+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 183. ± 12. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 161. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Fe+ • H3N) + H3N = (Fe+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 225. ± 12. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 204. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Fe+ • 2H3N) + H3N = (Fe+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 68. ± 13. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: (Fe+ • 3H3N) + H3N = (Fe+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 41.8 ± 7.1 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: H- + H3N = (H- • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.7 | kJ/mol | Est | Snodgrass, Coe, et al., 1995 | gas phase; Stated electron affinity is the Vertical Detachment Energy; B |
ΔrH° | 35. | kJ/mol | PES | Coe, Snodgrass, et al., 1985 | gas phase; ΔrH<; M |
By formula: (H- • H3N) + H3N = (H- • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 33.9 | kJ/mol | Est | Snodgrass, Coe, et al., 1995 | gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50.21 | kJ/mol | N/A | Schwartz, Davico, et al., 2000 | gas phase; Vertical Detachment Energy: 2.54±0.015 eV. Affinity is from difference in EAs; B |
By formula: H2N- + H3N = (H2N- • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50.21 | kJ/mol | PDis | Snodgrass, Coe, et al., 1989 | gas phase; B |
By formula: (H2N- • H3N) + H3N = (H2N- • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.44 | kJ/mol | Est | Snodgrass, Coe, et al., 1989 | gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B |
By formula: H3N+ + H3N = (H3N+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 97. ± 19. | kJ/mol | EI | Stephan, Futrell, et al., 1982 | gas phase; M |
ΔrH° | 75.7 | kJ/mol | PI | Ng, Trevor, et al., 1977 | gas phase; M |
By formula: (H3N+ • H3N) + H3N = (H3N+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 40. ± 20. | kJ/mol | EI | Breen, Tzeng, et al., 1989 | gas phase; M |
ΔrH° | 38. ± 19. | kJ/mol | EI | Stephan, Futrell, et al., 1982 | gas phase; M |
By formula: (H4N+ • CHN) + H3N = (H4N+ • H3N • CHN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 78.7 | kJ/mol | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 92. | J/mol*K | N/A | Deakyne, Knuth, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
39. | 429. | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
By formula: (H4N+ • C4H10O2) + H3N = (H4N+ • H3N • C4H10O2)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 58.6 | kJ/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 81.2 | J/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
By formula: (H4N+ • H2O) + H3N = (H4N+ • H3N • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 77.0 | kJ/mol | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 96.2 | J/mol*K | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
By formula: (H4N+ • 2H2O) + H3N = (H4N+ • H3N • 2H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 76.1 | kJ/mol | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 127. | J/mol*K | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
By formula: (H4N+ • 3H2O) + H3N = (H4N+ • H3N • 3H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 72.4 | kJ/mol | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 147. | J/mol*K | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
By formula: H4N+ + H3N = (H4N+ • H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 107. ± 6. | kJ/mol | AVG | N/A | Average of 4 out of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 111. ± 10. | J/mol*K | AVG | N/A | Average of 4 out of 6 values; Individual data points |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
26. | 400. | HPMS | Wincel, 1972 | gas phase; M |
By formula: (H4N+ • H3N • 2CHN) + H3N = (H4N+ • 2H3N • 2CHN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.0 | kJ/mol | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 84. | J/mol*K | N/A | Deakyne, Knuth, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
28. | 315. | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
By formula: (H4N+ • H3N • C2H3N) + H3N = (H4N+ • 2H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 64.9 | kJ/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph; M |
By formula: (H4N+ • 2H3N • C2H3N) + H3N = (H4N+ • 3H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 56.9 | kJ/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph; M |
By formula: (H4N+ • 3H3N • C2H3N) + H3N = (H4N+ • 4H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31. | kJ/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph; M |
By formula: (H4N+ • 4H3N • C2H3N) + H3N = (H4N+ • 5H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29. | kJ/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph; M |
By formula: (H4N+ • 5H3N • C2H3N) + H3N = (H4N+ • 6H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25. | kJ/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph; M |
By formula: (H4N+ • 6H3N • C2H3N) + H3N = (H4N+ • 7H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23. | kJ/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph; M |
By formula: (H4N+ • 7H3N • C2H3N) + H3N = (H4N+ • 8H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25. | kJ/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph; M |
By formula: (H4N+ • 8H3N • C2H3N) + H3N = (H4N+ • 9H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23. | kJ/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph; M |
By formula: (H4N+ • H3N • H2O) + H3N = (H4N+ • 2H3N • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 71.5 | kJ/mol | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 133. | J/mol*K | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
By formula: (H4N+ • H3N • 2H2O) + H3N = (H4N+ • 2H3N • 2H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 65.7 | kJ/mol | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 142. | J/mol*K | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
By formula: (H4N+ • 2H3N • H2O) + H3N = (H4N+ • 3H3N • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 62.8 | kJ/mol | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 144. | J/mol*K | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
By formula: (H4N+ • H3N) + H3N = (H4N+ • 2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 70. ± 5. | kJ/mol | AVG | N/A | Average of 5 out of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 100. | J/mol*K | HPMS | Tang and Castleman, 1975 | gas phase; M |
ΔrS° | 99.2 | J/mol*K | PHPMS | Arshadi and Futrell, 1974 | gas phase; M |
ΔrS° | 104. | J/mol*K | DT | Long and Franklin, 1973 | gas phase; M |
ΔrS° | 112. | J/mol*K | PHPMS | Searles and Kebarle, 1968 | gas phase; M |
ΔrS° | 95.8 | J/mol*K | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; typographical error in ΔrH; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
41. | 296. | FA | Fehsenfeld and Ferguson, 1973 | gas phase; DG>; M |
42.3 | 296. | SAMS | Puckett and Teague, 1971 | gas phase; M |
23. | 400. | HPMS | Wincel, 1972 | gas phase; M |
By formula: (H4N+ • 2H3N) + H3N = (H4N+ • 3H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50. ± 20. | kJ/mol | AVG | N/A | Average of 6 out of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 105. ± 5. | J/mol*K | AVG | N/A | Average of 4 out of 7 values; Individual data points |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
27. | 296. | FA | Fehsenfeld and Ferguson, 1973 | gas phase; M |
27. | 296. | SAMS | Puckett and Teague, 1971 | gas phase; M |
By formula: (H4N+ • 3H3N) + H3N = (H4N+ • 4H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 51. ± 4. | kJ/mol | AVG | N/A | Average of 5 out of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 118. ± 8. | J/mol*K | AVG | N/A | Average of 3 out of 7 values; Individual data points |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
14. | 296. | FA | Fehsenfeld and Ferguson, 1973 | gas phase; M |
By formula: (H4N+ • 4H3N) + H3N = (H4N+ • 5H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29. | kJ/mol | PHPMS | Arshadi and Futrell, 1974 | gas phase; M |
ΔrH° | 31. | kJ/mol | PHPMS | Searles and Kebarle, 1968 | gas phase; M |
ΔrH° | 30. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
ΔrH° | 12. | kJ/mol | TPEPICO | Kamke, Herrmann, et al., 1988 | gas phase; M |
ΔrH° | 40. | kJ/mol | DT | Long and Franklin, 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 90.0 | J/mol*K | PHPMS | Arshadi and Futrell, 1974 | gas phase; M |
ΔrS° | 100. | J/mol*K | PHPMS | Searles and Kebarle, 1968 | gas phase; M |
ΔrS° | 130. | J/mol*K | DT | Long and Franklin, 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2. | kJ/mol | HPMS | Hogg, Haynes, et al., 1966 | gas phase; M |
By formula: (H4N+ • 5H3N) + H3N = (H4N+ • 6H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27. | kJ/mol | PHPMS | Arshadi and Futrell, 1974 | gas phase; M |
ΔrH° | 30. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 91.6 | J/mol*K | PHPMS | Arshadi and Futrell, 1974 | gas phase; M |
By formula: (H4N+ • 6H3N) + H3N = (H4N+ • 7H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: (H4N+ • 7H3N) + H3N = (H4N+ • 8H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: (H4N+ • 8H3N) + H3N = (H4N+ • 9H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: (H4N+ • 9H3N) + H3N = (H4N+ • 10H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: (H4N+ • 10H3N) + H3N = (H4N+ • 11H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: (H4N+ • 11H3N) + H3N = (H4N+ • 12H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: (H4N+ • 12H3N) + H3N = (H4N+ • 13H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: (H4N+ • 13H3N) + H3N = (H4N+ • 14H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: (H4N+ • 14H3N) + H3N = (H4N+ • 15H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: (H4N+ • 15H3N) + H3N = (H4N+ • 16H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20. | kJ/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph; M |
By formula: I- + H3N = (I- • H3N)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31.0 ± 1.3 | kJ/mol | TDAs | Evans, Keesee, et al., 1987 | gas phase; B,M |
ΔrH° | 31. ± 4.2 | kJ/mol | TDAs | Caldwell, Masucci, et al., 1989 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 87.4 | J/mol*K | HPMS | Evans, Keesee, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.0 ± 2.5 | kJ/mol | TDAs | Evans, Keesee, et al., 1987 | gas phase; B |
By formula: K+ + H3N = (K+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 84.1 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
ΔrH° | 74.5 | kJ/mol | HPMS | Davidson and Kebarle, 1976 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 96.2 | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
ΔrS° | 117. | J/mol*K | HPMS | Davidson and Kebarle, 1976 | gas phase; M |
By formula: (K+ • H3N) + H3N = (K+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 68.2 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 95.4 | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: (K+ • 2H3N) + H3N = (K+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 56.5 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 116. | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: (K+ • 3H3N) + H3N = (K+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 48.5 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 106. | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: Li+ + H3N = (Li+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 164. | kJ/mol | ICR | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M |
ΔrH° | 161. | kJ/mol | ICR | Staley and Beauchamp, 1975 | gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 96. | J/mol*K | N/A | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 134. | kJ/mol | ICR | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M |
By formula: (Li+ • H3N) + H3N = (Li+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 138. | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 124. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: (Li+ • 2H3N) + H3N = (Li+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.9 | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 106. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: (Li+ • 3H3N) + H3N = (Li+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 69.0 | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 136. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: (Li+ • 4H3N) + H3N = (Li+ • 5H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.4 | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 117. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: (Li+ • 5H3N) + H3N = (Li+ • 6H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 39. | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 106. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: Mg+ + H3N = (Mg+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 154. ± 12. | kJ/mol | CIDT | Andersen, Muntean, et al., 2000 | RCD |
By formula: (Mg+ • H3N) + H3N = (Mg+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 122. ± 6.7 | kJ/mol | CIDT | Andersen, Muntean, et al., 2000 | RCD |
By formula: (Mg+ • 2H3N) + H3N = (Mg+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 95.4 ± 8.8 | kJ/mol | CIDT | Andersen, Muntean, et al., 2000 | RCD |
By formula: (Mg+ • 3H3N) + H3N = (Mg+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44. ± 10. | kJ/mol | CIDT | Andersen, Muntean, et al., 2000 | RCD |
By formula: (Mg+ • 4H3N) + H3N = (Mg+ • 5H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 56. ± 12. | kJ/mol | CIDT | Andersen, Muntean, et al., 2000 | 5th ligand is NH3; RCD |
By formula: Mn+ + H3N = (Mn+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 147. ± 7.9 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 154. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Mn+ • H3N) + H3N = (Mn+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 152. ± 12. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 143. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Mn+ • 2H3N) + H3N = (Mn+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 64.0 ± 9.2 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 49.4 | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Mn+ • 3H3N) + H3N = (Mn+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 36. ± 5.9 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
+ = H3N2O-
By formula: NO- + H3N = H3N2O-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 43.51 | kJ/mol | N/A | Hendricks, de Clercq, et al., 2002 | gas phase; B |
By formula: Na+ + H3N = (Na+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 102. ± 5.4 | kJ/mol | CIDC | Amicangelo and Armentrout, 2001 | Anchor NH3=24.41; RCD |
ΔrH° | 102. ± 5.4 | kJ/mol | CIDT | Armentrout and Rodgers, 2000 | RCD |
ΔrH° | 107. ± 0.8 | kJ/mol | HPMS | Hoyau, Norrman, et al., 1999 | RCD |
ΔrH° | 122. | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 91200. | J/mol*K | HPMS | Hoyau, Norrman, et al., 1999 | RCD |
ΔrS° | 108. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
77.8 | 298. | IMRE | McMahon and Ohanessian, 2000 | Anchor alanine=39.89; RCD |
By formula: (Na+ • H3N) + H3N = (Na+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 93. ± 5. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 105. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: (Na+ • 2H3N) + H3N = (Na+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 71.5 | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 100. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: (Na+ • 3H3N) + H3N = (Na+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 61.5 | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 121. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: (Na+ • 4H3N) + H3N = (Na+ • 5H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44.8 | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 125. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: (Na+ • 5H3N) + H3N = (Na+ • 6H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 41. | kJ/mol | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 124. | J/mol*K | HPMS | Castleman, Holland, et al., 1978 | gas phase; M |
By formula: Ni+ + H3N = (Ni+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 231. ± 16. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 214. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Ni+ • H3N) + H3N = (Ni+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 249. ± 13. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 231. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Ni+ • 2H3N) + H3N = (Ni+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 90.0 ± 7.9 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 74.5 | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (Ni+ • 3H3N) + H3N = (Ni+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37. ± 5.9 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: Pb+ + H3N = (Pb+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 118. | kJ/mol | HPMS | Guo and Castleman, 1991 | gas phase; ΔrS from graph; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 98.7 | J/mol*K | HPMS | Guo and Castleman, 1991 | gas phase; ΔrS from graph; M |
By formula: (Pb+ • H3N) + H3N = (Pb+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 80.3 | kJ/mol | HPMS | Guo and Castleman, 1991 | gas phase; ΔrS from graph; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 113. | J/mol*K | HPMS | Guo and Castleman, 1991 | gas phase; ΔrS from graph; M |
By formula: (Pb+ • 2H3N) + H3N = (Pb+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.4 | kJ/mol | HPMS | Guo and Castleman, 1991 | gas phase; ΔrS from graph; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 89.5 | J/mol*K | HPMS | Guo and Castleman, 1991 | gas phase; ΔrS from graph; M |
By formula: (Pb+ • 3H3N) + H3N = (Pb+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44.8 | kJ/mol | HPMS | Guo and Castleman, 1991 | gas phase; ΔrS from graph; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 102. | J/mol*K | HPMS | Guo and Castleman, 1991 | gas phase; ΔrS from graph; M |
By formula: Rb+ + H3N = (Rb+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 78.2 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 102. | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: (Rb+ • H3N) + H3N = (Rb+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 63.6 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 98.7 | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: (Rb+ • 2H3N) + H3N = (Rb+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.8 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 105. | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: (Rb+ • 3H3N) + H3N = (Rb+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 47.7 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 159. | J/mol*K | HPMS | Castleman, 1978 | gas phase; M |
By formula: (Rb+ • 4H3N) + H3N = (Rb+ • 5H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 42.7 | kJ/mol | HPMS | Castleman, 1978 | gas phase; M |
By formula: Ti+ + H3N = (Ti+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 195. ± 7.1 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: (Ti+ • H3N) + H3N = (Ti+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 175. ± 15. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: (Ti+ • 2H3N) + H3N = (Ti+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 176. ± 15. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: (Ti+ • 3H3N) + H3N = (Ti+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 156. ± 10. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
By formula: V+ + H3N = (V+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 190. ± 11. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 217. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (V+ • H3N) + H3N = (V+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 164. ± 9.2 | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 188. | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (V+ • 2H3N) + H3N = (V+ • 3H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 104. ± 11. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 94.6 | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
By formula: (V+ • 3H3N) + H3N = (V+ • 4H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 95. ± 11. | kJ/mol | CIDT | Walter and Armentrout, 1998 | RCD |
ΔrH° | 78.2 | kJ/mol | CID | Marinelli and Squires, 1989 | gas phase; M |
References
Go To: Top, Gas phase ion energetics data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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