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Ammonia

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Reaction thermochemistry data

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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. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Reactions 1 to 50

(NH4+ bullet 3Ammonia) + Ammonia = (NH4+ bullet 4Ammonia)

By formula: (H4N+ bullet 3H3N) + H3N = (H4N+ bullet 4H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12.2 ± 0.9kcal/molAVGN/AAverage of 5 out of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar28. ± 2.cal/mol*KAVGN/AAverage of 3 out of 7 values; Individual data points

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
3.4296.FAFehsenfeld and Ferguson, 1973gas phase; M

(NH4+ bullet 2Ammonia) + Ammonia = (NH4+ bullet 3Ammonia)

By formula: (H4N+ bullet 2H3N) + H3N = (H4N+ bullet 3H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar13. ± 5.kcal/molAVGN/AAverage of 6 out of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar25. ± 1.cal/mol*KAVGN/AAverage of 4 out of 7 values; Individual data points

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
6.5296.FAFehsenfeld and Ferguson, 1973gas phase; M
6.4296.SAMSPuckett and Teague, 1971gas phase; M

(NH4+ bullet Ammonia) + Ammonia = (NH4+ bullet 2Ammonia)

By formula: (H4N+ bullet H3N) + H3N = (H4N+ bullet 2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar17. ± 1.kcal/molAVGN/AAverage of 5 out of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar23.9cal/mol*KHPMSTang and Castleman, 1975gas phase; M
Deltar23.7cal/mol*KPHPMSArshadi and Futrell, 1974gas phase; M
Deltar24.8cal/mol*KDTLong and Franklin, 1973gas phase; M
Deltar26.8cal/mol*KPHPMSSearles and Kebarle, 1968gas phase; M
Deltar22.9cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; typographical error in «DELTA»rH; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
9.7296.FAFehsenfeld and Ferguson, 1973gas phase; DG>; M
10.1296.SAMSPuckett and Teague, 1971gas phase; M
5.5400.HPMSWincel, 1972gas phase; M

NH4+ + Ammonia = (NH4+ bullet Ammonia)

By formula: H4N+ + H3N = (H4N+ bullet H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar26. ± 2.kcal/molAVGN/AAverage of 4 out of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar26. ± 3.cal/mol*KAVGN/AAverage of 4 out of 6 values; Individual data points

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
6.3400.HPMSWincel, 1972gas phase; M

Chlorine anion + Ammonia = (Chlorine anion bullet Ammonia)

By formula: Cl- + H3N = (Cl- bullet H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar<7.30 ± 0.40kcal/molN/ATschurl and Boesl, 2008gas phase; B
Deltar8.20 ± 0.10kcal/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
Deltar8.9 ± 1.2kcal/molN/AMarkovich, Chesnovsky, et al., 1993gas phase; B
Deltar10.5 ± 4.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar15.4cal/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
Deltar19.9cal/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)CH3F, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity Value Units Method Reference Comment
Deltar3.60 ± 0.20kcal/molTDAsEvans, Keesee, et al., 1987gas phase; B
Deltar4.5 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M

(NH4+ bullet 4Ammonia) + Ammonia = (NH4+ bullet 5Ammonia)

By formula: (H4N+ bullet 4H3N) + H3N = (H4N+ bullet 5H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar7.0kcal/molPHPMSArshadi and Futrell, 1974gas phase; M
Deltar7.5kcal/molPHPMSSearles and Kebarle, 1968gas phase; M
Deltar7.kcal/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M
Deltar2.8kcal/molTPEPICOKamke, Herrmann, et al., 1988gas phase; M
Deltar9.6kcal/molDTLong and Franklin, 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar21.5cal/mol*KPHPMSArshadi and Futrell, 1974gas phase; M
Deltar25.cal/mol*KPHPMSSearles and Kebarle, 1968gas phase; M
Deltar32.cal/mol*KDTLong and Franklin, 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar0.5kcal/molHPMSHogg, Haynes, et al., 1966gas phase; M

Lithium ion (1+) + Ammonia = (Lithium ion (1+) bullet Ammonia)

By formula: Li+ + H3N = (Li+ bullet H3N)

Quantity Value Units Method Reference Comment
Deltar39.1kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Deltar38.5kcal/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Deltar23.cal/mol*KN/AWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Quantity Value Units Method Reference Comment
Deltar32.1kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M

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

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

Quantity Value Units Method Reference Comment
Deltar22. ± 1.kcal/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar25.1cal/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

H2N- + Hydrogen cation = Ammonia

By formula: H2N- + H+ = H3N

Quantity Value Units Method Reference Comment
Deltar403.44 ± 0.28kcal/molD-EAWickham-Jones, Ervin, et al., 1989gas phase; B
Deltar403.55 ± 0.80kcal/molG+TSMacKay, Hemsworth, et al., 1976gas phase; B
Deltar402.30kcal/molN/ACheck, Faust, et al., 2001gas phase; HCrO3(t); ; «DELTA»S(EA)=6.6; B
Quantity Value Units Method Reference Comment
Deltar395.99 ± 0.38kcal/molH-TSWickham-Jones, Ervin, et al., 1989gas phase; B
Deltar396.10 ± 0.70kcal/molIMREMacKay, Hemsworth, et al., 1976gas phase; B
Deltar395.40kcal/molN/ACheck, Faust, et al., 2001gas phase; HCrO3(t); ; «DELTA»S(EA)=6.6; B

C4H9+ + Ammonia = (C4H9+ bullet Ammonia)

By formula: C4H9+ + H3N = (C4H9+ bullet H3N)

Quantity Value Units Method Reference Comment
Deltar46.8kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; forms t-C4H9NH3+; M
Deltar45.3kcal/molPHPMSSzulejko and McMahon, 1991gas phase; forms t-C4H9NH3+; M
Deltar46.5kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1990gas phase; forms t-C4H9NH3+; M
Quantity Value Units Method Reference Comment
Deltar43.7cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; forms t-C4H9NH3+; M
Deltar47.3cal/mol*KPHPMSSzulejko and McMahon, 1991gas phase; forms t-C4H9NH3+; M
Deltar44.0cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1990gas phase; forms t-C4H9NH3+; M

Sodium ion (1+) + Ammonia = (Sodium ion (1+) bullet Ammonia)

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

Quantity Value Units Method Reference Comment
Deltar24.4 ± 1.3kcal/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Deltar24.4 ± 1.3kcal/molCIDTArmentrout and Rodgers, 2000RCD
Deltar25.6 ± 0.2kcal/molHPMSHoyau, Norrman, et al., 1999RCD
Deltar29.1kcal/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Deltar21800.cal/mol*KHPMSHoyau, Norrman, et al., 1999RCD
Deltar25.7cal/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
18.6298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

C3H9Sn+ + Ammonia = (C3H9Sn+ bullet Ammonia)

By formula: C3H9Sn+ + H3N = (C3H9Sn+ bullet H3N)

Quantity Value Units Method Reference Comment
Deltar36.9kcal/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar29.1cal/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
21.6525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M

(NH4+ bullet 3Hydrogen cyanide bullet Ammonia) + Hydrogen cyanide = (NH4+ bullet 4Hydrogen cyanide bullet Ammonia)

By formula: (H4N+ bullet 3CHN bullet H3N) + CHN = (H4N+ bullet 4CHN bullet H3N)

Quantity Value Units Method Reference Comment
Deltar8.6kcal/molPHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated, T = 392 in paper is error; M
Quantity Value Units Method Reference Comment
Deltar20.cal/mol*KN/ADeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated, T = 392 in paper is error; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
2.7292.PHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated, T = 392 in paper is error; M

Iodide + Ammonia = (Iodide bullet Ammonia)

By formula: I- + H3N = (I- bullet H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar7.40 ± 0.30kcal/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
Deltar7.4 ± 1.0kcal/molTDAsCaldwell, Masucci, et al., 1989gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar20.9cal/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Deltar1.20 ± 0.60kcal/molTDAsEvans, Keesee, et al., 1987gas phase; B

(NH4+ bullet Ammonia bullet 2Hydrogen cyanide) + Ammonia = (NH4+ bullet 2Ammonia bullet 2Hydrogen cyanide)

By formula: (H4N+ bullet H3N bullet 2CHN) + H3N = (H4N+ bullet 2H3N bullet 2CHN)

Quantity Value Units Method Reference Comment
Deltar12.9kcal/molPHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar20.cal/mol*KN/ADeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
6.6315.PHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

(NH4+ bullet Hydrogen cyanide bullet 2Ammonia) + Hydrogen cyanide = (NH4+ bullet 2Hydrogen cyanide bullet 2Ammonia)

By formula: (H4N+ bullet CHN bullet 2H3N) + CHN = (H4N+ bullet 2CHN bullet 2H3N)

Quantity Value Units Method Reference Comment
Deltar11.2kcal/molPHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar20.cal/mol*KN/ADeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
4.9315.PHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

(NH4+ bullet Hydrogen cyanide) + Ammonia = (NH4+ bullet Ammonia bullet Hydrogen cyanide)

By formula: (H4N+ bullet CHN) + H3N = (H4N+ bullet H3N bullet CHN)

Quantity Value Units Method Reference Comment
Deltar18.8kcal/molPHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar22.cal/mol*KN/ADeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
9.4429.PHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

Bromine anion + Ammonia = (Bromine anion bullet Ammonia)

By formula: Br- + H3N = (Br- bullet H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar7.70 ± 0.10kcal/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar19.1cal/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Deltar2.00 ± 0.20kcal/molTDAsEvans, Keesee, et al., 1987gas phase; B

(NH4+ bullet 5Ammonia) + Ammonia = (NH4+ bullet 6Ammonia)

By formula: (H4N+ bullet 5H3N) + H3N = (H4N+ bullet 6H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar6.5kcal/molPHPMSArshadi and Futrell, 1974gas phase; M
Deltar6.kcal/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M
Quantity Value Units Method Reference Comment
Deltar21.9cal/mol*KPHPMSArshadi and Futrell, 1974gas phase; M

Potassium ion (1+) + Ammonia = (Potassium ion (1+) bullet Ammonia)

By formula: K+ + H3N = (K+ bullet H3N)

Quantity Value Units Method Reference Comment
Deltar20.1kcal/molHPMSCastleman, 1978gas phase; M
Deltar17.8kcal/molHPMSDavidson and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
Deltar23.0cal/mol*KHPMSCastleman, 1978gas phase; M
Deltar28.0cal/mol*KHPMSDavidson and Kebarle, 1976gas phase; M

(NH4+ bullet 2Ammonia) + Hydrogen cyanide = (NH4+ bullet Hydrogen cyanide bullet 2Ammonia)

By formula: (H4N+ bullet 2H3N) + CHN = (H4N+ bullet CHN bullet 2H3N)

Quantity Value Units Method Reference Comment
Deltar13.4kcal/molPHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar18.3cal/mol*KN/ADeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

(NH4+ bullet Ammonia bullet 2Water) + Ammonia = (NH4+ bullet 2Ammonia bullet 2Water)

By formula: (H4N+ bullet H3N bullet 2H2O) + H3N = (H4N+ bullet 2H3N bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar15.7kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar33.9cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet Water bullet 2Ammonia) + Water = (NH4+ bullet 2Water bullet 2Ammonia)

By formula: (H4N+ bullet H2O bullet 2H3N) + H2O = (H4N+ bullet 2H2O bullet 2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar11.7kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar27.8cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(C6H15O3+ bullet Ammonia) + Ethane, 1,1'-oxybis[2-methoxy- = (C6H15O3+ bullet Ethane, 1,1'-oxybis[2-methoxy- bullet Ammonia)

By formula: (C6H15O3+ bullet H3N) + C6H14O3 = (C6H15O3+ bullet C6H14O3 bullet H3N)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
Deltar30.5kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Deltar50.9cal/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

(NH4+ bullet 2Ammonia bullet Water) + Ammonia = (NH4+ bullet 3Ammonia bullet Water)

By formula: (H4N+ bullet 2H3N bullet H2O) + H3N = (H4N+ bullet 3H3N bullet H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar15.0kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar34.3cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet 2Water bullet Ammonia) + Water = (NH4+ bullet 3Water bullet Ammonia)

By formula: (H4N+ bullet 2H2O bullet H3N) + H2O = (H4N+ bullet 3H2O bullet H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12.2kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar28.5cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet Ammonia bullet Water) + Ammonia = (NH4+ bullet 2Ammonia bullet Water)

By formula: (H4N+ bullet H3N bullet H2O) + H3N = (H4N+ bullet 2H3N bullet H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar17.1kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar31.8cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet Water bullet Ammonia) + Water = (NH4+ bullet 2Water bullet Ammonia)

By formula: (H4N+ bullet H2O bullet H3N) + H2O = (H4N+ bullet 2H2O bullet H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12.7kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar25.0cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet 2Ammonia) + Water = (NH4+ bullet Water bullet 2Ammonia)

By formula: (H4N+ bullet 2H3N) + H2O = (H4N+ bullet H2O bullet 2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12.4kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar24.6cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet 2Water) + Ammonia = (NH4+ bullet Ammonia bullet 2Water)

By formula: (H4N+ bullet 2H2O) + H3N = (H4N+ bullet H3N bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar18.2kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar30.3cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet 3Ammonia) + Water = (NH4+ bullet Water bullet 3Ammonia)

By formula: (H4N+ bullet 3H3N) + H2O = (H4N+ bullet H2O bullet 3H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar11.7kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar27.9cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet 3Water) + Ammonia = (NH4+ bullet Ammonia bullet 3Water)

By formula: (H4N+ bullet 3H2O) + H3N = (H4N+ bullet H3N bullet 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar17.3kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar35.1cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet Ammonia) + Water = (NH4+ bullet Water bullet Ammonia)

By formula: (H4N+ bullet H3N) + H2O = (H4N+ bullet H2O bullet H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12.9kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar20.3cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet Water) + Ammonia = (NH4+ bullet Ammonia bullet Water)

By formula: (H4N+ bullet H2O) + H3N = (H4N+ bullet H3N bullet H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar18.4kcal/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar23.0cal/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ bullet Ethane, 1,2-dimethoxy-) + Ammonia = (NH4+ bullet Ammonia bullet Ethane, 1,2-dimethoxy-)

By formula: (H4N+ bullet C4H10O2) + H3N = (H4N+ bullet H3N bullet C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar14.0kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Deltar19.4cal/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

Hydrogen anion + Ammonia = (Hydrogen anion bullet Ammonia)

By formula: H- + H3N = (H- bullet H3N)

Quantity Value Units Method Reference Comment
Deltar7.10kcal/molEstSnodgrass, Coe, et al., 1995gas phase; Stated electron affinity is the Vertical Detachment Energy; B
Deltar8.3kcal/molPESCoe, Snodgrass, et al., 1985gas phase; «DELTA»rH<; M

(Copper ion (1+) bullet 2Ammonia) + Ammonia = (Copper ion (1+) bullet 3Ammonia)

By formula: (Cu+ bullet 2H3N) + H3N = (Cu+ bullet 3H3N)

Quantity Value Units Method Reference Comment
Deltar11.2 ± 1.4kcal/molCIDTWalter and Armentrout, 1998RCD
Deltar14.0kcal/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
Deltar23.8cal/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Copper ion (1+) bullet 3Ammonia) + Ammonia = (Copper ion (1+) bullet 4Ammonia)

By formula: (Cu+ bullet 3H3N) + H3N = (Cu+ bullet 4H3N)

Quantity Value Units Method Reference Comment
Deltar10.0 ± 1.4kcal/molCIDTWalter and Armentrout, 1998RCD
Deltar12.8kcal/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
Deltar28.7cal/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Lead ion (1+) bullet 2Ammonia) + Ammonia = (Lead ion (1+) bullet 3Ammonia)

By formula: (Pb+ bullet 2H3N) + H3N = (Pb+ bullet 3H3N)

Quantity Value Units Method Reference Comment
Deltar13.0kcal/molHPMSGuo and Castleman, 1991gas phase; «DELTA»rS from graph; M
Quantity Value Units Method Reference Comment
Deltar21.4cal/mol*KHPMSGuo and Castleman, 1991gas phase; «DELTA»rS from graph; M

(Lead ion (1+) bullet 3Ammonia) + Ammonia = (Lead ion (1+) bullet 4Ammonia)

By formula: (Pb+ bullet 3H3N) + H3N = (Pb+ bullet 4H3N)

Quantity Value Units Method Reference Comment
Deltar10.7kcal/molHPMSGuo and Castleman, 1991gas phase; «DELTA»rS from graph; M
Quantity Value Units Method Reference Comment
Deltar24.3cal/mol*KHPMSGuo and Castleman, 1991gas phase; «DELTA»rS from graph; M

(Lead ion (1+) bullet Ammonia) + Ammonia = (Lead ion (1+) bullet 2Ammonia)

By formula: (Pb+ bullet H3N) + H3N = (Pb+ bullet 2H3N)

Quantity Value Units Method Reference Comment
Deltar19.2kcal/molHPMSGuo and Castleman, 1991gas phase; «DELTA»rS from graph; M
Quantity Value Units Method Reference Comment
Deltar27.0cal/mol*KHPMSGuo and Castleman, 1991gas phase; «DELTA»rS from graph; M

C2H8N+ + Ammonia = (C2H8N+ bullet Ammonia)

By formula: C2H8N+ + H3N = (C2H8N+ bullet H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar20.6kcal/molPHPMSYamdagni and Kebarle, 1974gas phase; M
Quantity Value Units Method Reference Comment
Deltar28.2cal/mol*KPHPMSYamdagni and Kebarle, 1974gas phase; M

C6H15O3+ + Ammonia = (C6H15O3+ bullet Ammonia)

By formula: C6H15O3+ + H3N = (C6H15O3+ bullet H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar30.4kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Deltar27.9cal/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

CH6N+ + Ammonia = (CH6N+ bullet Ammonia)

By formula: CH6N+ + H3N = (CH6N+ bullet H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar21.4kcal/molPHPMSYamdagni and Kebarle, 1974gas phase; M
Quantity Value Units Method Reference Comment
Deltar26.cal/mol*KPHPMSYamdagni and Kebarle, 1974gas phase; M

Lead ion (1+) + Ammonia = (Lead ion (1+) bullet Ammonia)

By formula: Pb+ + H3N = (Pb+ bullet H3N)

Quantity Value Units Method Reference Comment
Deltar28.3kcal/molHPMSGuo and Castleman, 1991gas phase; «DELTA»rS from graph; M
Quantity Value Units Method Reference Comment
Deltar23.6cal/mol*KHPMSGuo and Castleman, 1991gas phase; «DELTA»rS from graph; M

(Hydrogen anion bullet Ammonia) + Ammonia = (Hydrogen anion bullet 2Ammonia)

By formula: (H- bullet H3N) + H3N = (H- bullet 2H3N)

Quantity Value Units Method Reference Comment
Deltar8.10kcal/molEstSnodgrass, Coe, et al., 1995gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B

(H2N- bullet Ammonia) + Ammonia = (H2N- bullet 2Ammonia)

By formula: (H2N- bullet H3N) + H3N = (H2N- bullet 2H3N)

Quantity Value Units Method Reference Comment
Deltar11.10kcal/molEstSnodgrass, Coe, et al., 1989gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B

(NH4+ bullet 2Hydrogen cyanide bullet Ammonia) + Hydrogen cyanide = (NH4+ bullet 3Hydrogen cyanide bullet Ammonia)

By formula: (H4N+ bullet 2CHN bullet H3N) + CHN = (H4N+ bullet 3CHN bullet H3N)

Quantity Value Units Method Reference Comment
Deltar12.8kcal/molPHPMSDeakyne, Knuth, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Deltar24.1cal/mol*KPHPMSDeakyne, Knuth, et al., 1994gas phase; M

(NH4+ bullet Hydrogen cyanide bullet Ammonia) + Hydrogen cyanide = (NH4+ bullet 2Hydrogen cyanide bullet Ammonia)

By formula: (H4N+ bullet CHN bullet H3N) + CHN = (H4N+ bullet 2CHN bullet H3N)

Quantity Value Units Method Reference Comment
Deltar12.2kcal/molPHPMSDeakyne, Knuth, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Deltar19.4cal/mol*KPHPMSDeakyne, Knuth, et al., 1994gas phase; M

(NH4+ bullet 2Ammonia bullet Acetonitrile) + Ammonia = (NH4+ bullet 3Ammonia bullet Acetonitrile)

By formula: (H4N+ bullet 2H3N bullet C2H3N) + H3N = (H4N+ bullet 3H3N bullet C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar13.6kcal/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Fehsenfeld and Ferguson, 1973
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Puckett and Teague, 1971
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Tang and Castleman, 1975
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Arshadi and Futrell, 1974
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Long and Franklin, 1973
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Payzant, Cunningham, et al., 1973
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Wincel, 1972
Wincel, H., Ion-Molecule Reactions in Ammonia at High Pressures, Int. J. Mass Spectrom. Ion Phys., 1972, 9, 3, 267, https://doi.org/10.1016/0020-7381(72)80053-6 . [all data]

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Evans, Keesee, et al., 1987
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Larson and McMahon, 1984
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Wei, S.; Tzeng, W.B.; Castleman, A.W., Kinetic Energy Release Measurements of Ammonia Cluster Ions During Metastable Decomposition and Determination of Cluster Ion Binding Energies, J. Chem. Phys., 1990, 92, 1, 332, https://doi.org/10.1063/1.458434 . [all data]

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Woodin and Beauchamp, 1978
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Dzidic and Kebarle, 1970
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Castleman, Holland, et al., 1978
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Caldwell, G.W.; Masucci, J.A.; Ikonomou, M.G., Negative Ion Chemical Ionization Mass Spectrometry - Binding of Molecules to Bromide and Iodide Anions, Org. Mass Spectrom., 1989, 24, 1, 8, https://doi.org/10.1002/oms.1210240103 . [all data]

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Castleman, A.W., The Properties of Clusters in the Gas Phase: Ammonia about Bi+, Rb+, and K+, Chem. Phys. Lett., 1978, 53, 3, 560, https://doi.org/10.1016/0009-2614(78)80069-4 . [all data]

Davidson and Kebarle, 1976
Davidson, W.R.; Kebarle, P., Binding Energies and Stabilities of Potassium Ion Complexes from Studies of Gas Phase Ion Equilibria K+ + M = K+.M, J. Am. Chem. Soc., 1976, 98, 20, 6133, https://doi.org/10.1021/ja00436a011 . [all data]

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Snodgrass, Coe, et al., 1995
Snodgrass, J.T.; Coe, J.V.; Freidhoff, C.B.; Mchugh, K.M.; Arnold, S.T.; Bowen, K.H., Negative ion photoelectron spectroscopy of NH2-(NH3)1 and NH2-(NH3)2: Gas phase basicities of partially solvated anions, J. Phys. Chem., 1995, 99, 24, 9675, https://doi.org/10.1021/j100024a006 . [all data]

Coe, Snodgrass, et al., 1985
Coe, J.V.; Snodgrass, J.T.; Friedhoff, C.B.; McHugh, K.M.; Bowen, K.H., Negative ion photoelectron spectroscopy of the negative ion H-(NH3), J. Chem. Phys., 1985, 83, 3169. [all data]

Walter and Armentrout, 1998
Walter, D.; Armentrout, P.B., Periodic Trends in Chemical Reactivity: Reactions of Sc+, Y+, La+, and Lu+ with H2, D2 and HD, J. Am. Chem. Soc., 1998, 120, 13, 3176, https://doi.org/10.1021/ja973202c . [all data]

Holland and Castleman, 1982
Holland, P.M.; Castleman, A.W., The Thermochemical Properties of Gas - Phase Transition Metal Ion Complexes, J. Chem. Phys., 1982, 76, 8, 4195, https://doi.org/10.1063/1.443497 . [all data]

Guo and Castleman, 1991
Guo, B.C.; Castleman, A.W., The Clustering Reactions of Na+ and Pb+ with Several Important Ligands, Zeit. Phys. D., 1991, 19, 1-4, 397, https://doi.org/10.1007/BF01448337 . [all data]

Yamdagni and Kebarle, 1974
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Snodgrass, Coe, et al., 1989
Snodgrass, J.T.; Coe, J.V.; Freidhoff, C.B.; McHugh, K.M.; Bowen, K.H., Photoelectron Spectroscopy of the Negative Cluster Ions, NH2-(NH3)n=1,2, J. Chem. Phys., 1989, 92, xxxx. [all data]

Tzeng, Wei, et al., 1991
Tzeng, W.B.; Wei, S.; Castleman, A.W., Stability, Structure and Binding - Energies of Solvated Cluster Ions - Ammonia Acetonitrile and Ammonia Acetaldehyde Systems, J. Phys. Chem., 1991, 95, 15, 5757, https://doi.org/10.1021/j100168a011 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, References