Ammonia

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Gas phase ion energetics data

Go To: Top, Ion clustering data, Mass spectrum (electron ionization), Gas Chromatography, 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 ± 0.020eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)853.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity819.0kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
10.02PIQi, Sheng, et al., 1995T = 0K; LL
10.07 ± 0.01PIPECORuede, Troxler, et al., 1993LL
10.186TEReiser, Habenicht, et al., 1993LL
10.069 ± 0.002PILocht, Hottmann, et al., 1992LL
10.072 ± 0.010PILocht, Leyh, et al., 1991LL
10.2985 ± 0.0001TEHabenicht, 1989LL
10.45EIBaldwin, Loudon, et al., 1977LLK
10.2PEDebies and Rabalais, 1975LLK
10.18 ± 0.09PEAue, Webb, et al., 1975LLK
10.2EIMorrison and Traeger, 1973LLK
10.15PEPotts and Price, 1972LLK
10.18 ± 0.01PEWeiss and Lawrence, 1970RDSH
14.94 ± 0.03PEWeiss and Lawrence, 1970RDSH
10.14PEBranton, Frost, et al., 1969RDSH
14.92PEBranton, Frost, et al., 1969RDSH
10.16 ± 0.02PIPotapov, 1968RDSH
10.17PIChupka and Russell, 1968RDSH
10.162 ± 0.008PIDibeler, Walker, et al., 1966RDSH
10.166SWatanabe and Sood, 1965RDSH
10.16PEAl-Joboury and Turner, 1964RDSH
15.02PEAl-Joboury and Turner, 1964RDSH
10.15 ± 0.01PIWatanabe and Mottl, 1957RDSH
10.82PEBaumgartel, Jochims, et al., 1989Vertical value; LL
10.8PEBieri, Asbrink, et al., 1982Vertical value; LBLHLM
10.85PEKimura, Katsumata, et al., 1981Vertical value; LLK
11.3PECampbell, Liesegang, et al., 1979Vertical value; LLK
10.85PEDaamen and Oskam, 1978Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
H+18.57H2NPIQi, Sheng, et al., 1995LL
HN+28. ± 1.5H2/2HEIMuller and Schulz, 1990LL
HN+16.9 ± 0.1H2EILocht, Servais, et al., 1988LL
HN+17.2H2EIMorrison and Traeger, 1973LLK
NH+17.1 ± 0.1H2EIReed and Snedden, 1959RDSH
H2N+15.75HPIQi, Sheng, et al., 1995LL
H2N+15.60 ± 0.02HPIPECORuede, Troxler, et al., 1993LL
H2N+15.75HPILocht, Hottmann, et al., 1992LL
H2N+15.76 ± 0.05HPILocht, Servais, et al., 1988LL
H2N+15.76 ± 0.05HEILocht, Servais, et al., 1988LL
H2N+15.5HPIPECOPowis, 1981LLK
H2N+15.87 ± 0.13HDERPowis, 1981LLK
H2N+15.768 ± 0.004HPIMcCulloh, 1976LLK
H2N+15.0HEIMorrison and Traeger, 1973LLK
NH2+15.73 ± 0.02HPIDibeler, Walker, et al., 1966RDSH
NH2+16.0 ± 0.1HEIFoner and Hudson, 1958RDSH
N+≤22.5H2+HEIMorrison and Traeger, 1973LLK
N+22.6 ± 0.1H2+HEIReed and Snedden, 1959RDSH

De-protonation reactions

H2N- + Hydrogen cation = Ammonia

By formula: H2N- + H+ = H3N

Quantity Value Units Method Reference Comment
Δr1688.0 ± 1.2kJ/molD-EAWickham-Jones, Ervin, et al., 1989gas phase; B
Δr1688.5 ± 3.3kJ/molG+TSMacKay, Hemsworth, et al., 1976gas phase; B
Δr1683.2kJ/molN/ACheck, Faust, et al., 2001gas phase; HCrO3(t); ; ΔS(EA)=6.6; B
Quantity Value Units Method Reference Comment
Δr1656.8 ± 1.6kJ/molH-TSWickham-Jones, Ervin, et al., 1989gas phase; B
Δr1657.3 ± 2.9kJ/molIMREMacKay, Hemsworth, et al., 1976gas phase; B
Δr1654.4kJ/molN/ACheck, Faust, et al., 2001gas phase; HCrO3(t); ; ΔS(EA)=6.6; B

Ion clustering data

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, 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

(Silver ion (1+) • Ammonia) + Ammonia = (Silver ion (1+) • 2Ammonia)

By formula: (Ag+ • H3N) + H3N = (Ag+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr154.kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
Δr137.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Silver ion (1+) • 2Ammonia) + Ammonia = (Silver ion (1+) • 3Ammonia)

By formula: (Ag+ • 2H3N) + H3N = (Ag+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr61.1kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
Δr103.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Silver ion (1+) • 3Ammonia) + Ammonia = (Silver ion (1+) • 4Ammonia)

By formula: (Ag+ • 3H3N) + H3N = (Ag+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr54.4kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
Δr126.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Silver ion (1+) • 4Ammonia) + Ammonia = (Silver ion (1+) • 5Ammonia)

By formula: (Ag+ • 4H3N) + H3N = (Ag+ • 5H3N)

Quantity Value Units Method Reference Comment
Δr53.6kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
Δr143.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

Bismuth ion (1+) + Ammonia = (Bismuth ion (1+) • Ammonia)

By formula: Bi+ + H3N = (Bi+ • H3N)

Quantity Value Units Method Reference Comment
Δr149.kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr149.J/mol*KHPMSCastleman, 1978gas phase; M

(Bismuth ion (1+) • Ammonia) + Ammonia = (Bismuth ion (1+) • 2Ammonia)

By formula: (Bi+ • H3N) + H3N = (Bi+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr97.1kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr138.J/mol*KHPMSCastleman, 1978gas phase; M

(Bismuth ion (1+) • 2Ammonia) + Ammonia = (Bismuth ion (1+) • 3Ammonia)

By formula: (Bi+ • 2H3N) + H3N = (Bi+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr56.1kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr109.J/mol*KHPMSCastleman, 1978gas phase; M

Bromine anion + Ammonia = (Bromine anion • Ammonia)

By formula: Br- + H3N = (Br- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr32.2 ± 0.42kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Δr79.9J/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr8.37 ± 0.84kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B

CH6N+ + Ammonia = (CH6N+ • Ammonia)

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr89.5kJ/molPHPMSYamdagni and Kebarle, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KPHPMSYamdagni and Kebarle, 1974gas phase; M

C2H8N+ + Ammonia = (C2H8N+ • Ammonia)

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr86.2kJ/molPHPMSYamdagni and Kebarle, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr118.J/mol*KPHPMSYamdagni and Kebarle, 1974gas phase; M

C3H9Si+ + Ammonia = (C3H9Si+ • Ammonia)

By formula: C3H9Si+ + H3N = (C3H9Si+ • H3N)

Quantity Value Units Method Reference Comment
Δr195.kJ/molPHPMSLi and Stone, 1990gas phase; switching reaction((CH3)3Si+)CH3COOC2H5; Wojtyniak and Stone, 1986; M

C3H9Sn+ + Ammonia = (C3H9Sn+ • Ammonia)

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

Quantity Value Units Method Reference Comment
Δr154.kJ/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr122.J/mol*KN/AStone and Splinter, 1984gas 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
90.4525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M

C4H9+ + Ammonia = (C4H9+ • Ammonia)

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

Quantity Value Units Method Reference Comment
Δr196.kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; forms t-C4H9NH3+; M
Δr190.kJ/molPHPMSSzulejko and McMahon, 1991gas phase; forms t-C4H9NH3+; M
Δr195.kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1990gas phase; forms t-C4H9NH3+; M
Quantity Value Units Method Reference Comment
Δr183.J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; forms t-C4H9NH3+; M
Δr198.J/mol*KPHPMSSzulejko and McMahon, 1991gas phase; forms t-C4H9NH3+; M
Δr184.J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1990gas phase; forms t-C4H9NH3+; M

C5H10NO2+ + Ammonia = (C5H10NO2+ • Ammonia)

By formula: C5H10NO2+ + H3N = (C5H10NO2+ • H3N)

Quantity Value Units Method Reference Comment
Δr86.2kJ/molPHPMSMeot-Ner and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr121.J/mol*KPHPMSMeot-Ner and Field, 1974gas phase; M

C5H12NO2+ + Ammonia = (C5H12NO2+ • Ammonia)

By formula: C5H12NO2+ + H3N = (C5H12NO2+ • H3N)

Quantity Value Units Method Reference Comment
Δr87.4kJ/molPHPMSMeot-Ner and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr120.J/mol*KPHPMSMeot-Ner and Field, 1974gas phase; M

C6H15O3+ + Ammonia = (C6H15O3+ • Ammonia)

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr127.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr117.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

Chlorine anion + Ammonia = (Chlorine anion • Ammonia)

By formula: Cl- + H3N = (Cl- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr<30.5 ± 1.7kJ/molN/ATschurl and Boesl, 2008gas phase; B
Δr34.3 ± 0.42kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
Δr37. ± 5.0kJ/molN/AMarkovich, Chesnovsky, et al., 1993gas phase; B
Δr44. ± 17.kJ/molIMRELarson and McMahon, 1984gas phase; B,M
Quantity Value Units Method Reference Comment
Δr64.4J/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
Δr83.3J/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
Δr15.1 ± 0.84kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B
Δr19. ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M

Cobalt ion (1+) + Ammonia = (Cobalt ion (1+) • Ammonia)

By formula: Co+ + H3N = (Co+ • H3N)

Quantity Value Units Method Reference Comment
Δr218. ± 15.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr246.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Cobalt ion (1+) • Ammonia) + Ammonia = (Cobalt ion (1+) • 2Ammonia)

By formula: (Co+ • H3N) + H3N = (Co+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr248. ± 13.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr256.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Cobalt ion (1+) • 2Ammonia) + Ammonia = (Cobalt ion (1+) • 3Ammonia)

By formula: (Co+ • 2H3N) + H3N = (Co+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr64.0 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

(Cobalt ion (1+) • 3Ammonia) + Ammonia = (Cobalt ion (1+) • 4Ammonia)

By formula: (Co+ • 3H3N) + H3N = (Co+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr49.0 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

Chromium ion (1+) + Ammonia = (Chromium ion (1+) • Ammonia)

By formula: Cr+ + H3N = (Cr+ • H3N)

Quantity Value Units Method Reference Comment
Δr182. ± 10.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr156.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Chromium ion (1+) • Ammonia) + Ammonia = (Chromium ion (1+) • 2Ammonia)

By formula: (Cr+ • H3N) + H3N = (Cr+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr179. ± 9.2kJ/molCIDTWalter and Armentrout, 1998RCD
Δr171.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Chromium ion (1+) • 2Ammonia) + Ammonia = (Chromium ion (1+) • 3Ammonia)

By formula: (Cr+ • 2H3N) + H3N = (Cr+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr54.0 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

(Chromium ion (1+) • 3Ammonia) + Ammonia = (Chromium ion (1+) • 4Ammonia)

By formula: (Cr+ • 3H3N) + H3N = (Cr+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr30. ± 9.2kJ/molCIDTWalter and Armentrout, 1998RCD

Copper ion (1+) + Ammonia = (Copper ion (1+) • Ammonia)

By formula: Cu+ + H3N = (Cu+ • H3N)

Quantity Value Units Method Reference Comment
Δr237. ± 14.kJ/molCIDTWalter and Armentrout, 1998RCD

(Copper ion (1+) • Ammonia) + Ammonia = (Copper ion (1+) • 2Ammonia)

By formula: (Cu+ • H3N) + H3N = (Cu+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr246. ± 10.kJ/molCIDTWalter and Armentrout, 1998RCD

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

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

Quantity Value Units Method Reference Comment
Δr46.9 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD
Δr58.6kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
Δr99.6J/mol*KHPMSHolland and Castleman, 1982gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr41.8 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD
Δr53.6kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
Δr120.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Copper ion (1+) • 4Ammonia) + Ammonia = (Copper ion (1+) • 5Ammonia)

By formula: (Cu+ • 4H3N) + H3N = (Cu+ • 5H3N)

Quantity Value Units Method Reference Comment
Δr53.6kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
Δr138.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

Fluorine anion + Ammonia = (Fluorine anion • Ammonia)

By formula: F- + H3N = (F- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr96.kJ/molFASpears and Ferguson, 1973gas phase; ΔrH>; M

Iron ion (1+) + Ammonia = (Iron ion (1+) • Ammonia)

By formula: Fe+ + H3N = (Fe+ • H3N)

Quantity Value Units Method Reference Comment
Δr183. ± 12.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr161.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Iron ion (1+) • Ammonia) + Ammonia = (Iron ion (1+) • 2Ammonia)

By formula: (Fe+ • H3N) + H3N = (Fe+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr225. ± 12.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr204.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Iron ion (1+) • 2Ammonia) + Ammonia = (Iron ion (1+) • 3Ammonia)

By formula: (Fe+ • 2H3N) + H3N = (Fe+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr68. ± 13.kJ/molCIDTWalter and Armentrout, 1998RCD

(Iron ion (1+) • 3Ammonia) + Ammonia = (Iron ion (1+) • 4Ammonia)

By formula: (Fe+ • 3H3N) + H3N = (Fe+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr41.8 ± 7.1kJ/molCIDTWalter and Armentrout, 1998RCD

Hydrogen anion + Ammonia = (Hydrogen anion • Ammonia)

By formula: H- + H3N = (H- • H3N)

Quantity Value Units Method Reference Comment
Δr29.7kJ/molEstSnodgrass, Coe, et al., 1995gas phase; Stated electron affinity is the Vertical Detachment Energy; B
Δr35.kJ/molPESCoe, Snodgrass, et al., 1985gas phase; ΔrH<; M

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

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

Quantity Value Units Method Reference Comment
Δr33.9kJ/molEstSnodgrass, Coe, et al., 1995gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B

HO- + Ammonia = H4NO-

By formula: HO- + H3N = H4NO-

Quantity Value Units Method Reference Comment
Δr50.21kJ/molN/ASchwartz, Davico, et al., 2000gas phase; Vertical Detachment Energy: 2.54±0.015 eV. Affinity is from difference in EAs; B

H2N- + Ammonia = (H2N- • Ammonia)

By formula: H2N- + H3N = (H2N- • H3N)

Quantity Value Units Method Reference Comment
Δr50.21kJ/molPDisSnodgrass, Coe, et al., 1989gas phase; B

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

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

Quantity Value Units Method Reference Comment
Δr46.44kJ/molEstSnodgrass, Coe, et al., 1989gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B

H3N+ + Ammonia = (H3N+ • Ammonia)

By formula: H3N+ + H3N = (H3N+ • H3N)

Quantity Value Units Method Reference Comment
Δr97. ± 19.kJ/molEIStephan, Futrell, et al., 1982gas phase; M
Δr75.7kJ/molPINg, Trevor, et al., 1977gas phase; M

(H3N+ • Ammonia) + Ammonia = (H3N+ • 2Ammonia)

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

Quantity Value Units Method Reference Comment
Δr40. ± 20.kJ/molEIBreen, Tzeng, et al., 1989gas phase; M
Δr38. ± 19.kJ/molEIStephan, Futrell, et al., 1982gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr78.7kJ/molPHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr92.J/mol*KN/ADeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

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

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr58.6kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr81.2J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

(NH4+ • Water) + Ammonia = (NH4+ • Ammonia • Water)

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr77.0kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr96.2J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr76.1kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr127.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr72.4kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr147.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

NH4+ + Ammonia = (NH4+ • Ammonia)

By formula: H4N+ + H3N = (H4N+ • H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr107. ± 6.kJ/molAVGN/AAverage of 4 out of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Δr111. ± 10.J/mol*KAVGN/AAverage of 4 out of 6 values; Individual data points

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
26.400.HPMSWincel, 1972gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr54.0kJ/molPHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KN/ADeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

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

(NH4+ • Ammonia • Acetonitrile) + Ammonia = (NH4+ • 2Ammonia • Acetonitrile)

By formula: (H4N+ • H3N • C2H3N) + H3N = (H4N+ • 2H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr64.9kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr56.9kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 3Ammonia • Acetonitrile) + Ammonia = (NH4+ • 4Ammonia • Acetonitrile)

By formula: (H4N+ • 3H3N • C2H3N) + H3N = (H4N+ • 4H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr31.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 4Ammonia • Acetonitrile) + Ammonia = (NH4+ • 5Ammonia • Acetonitrile)

By formula: (H4N+ • 4H3N • C2H3N) + H3N = (H4N+ • 5H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr29.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 5Ammonia • Acetonitrile) + Ammonia = (NH4+ • 6Ammonia • Acetonitrile)

By formula: (H4N+ • 5H3N • C2H3N) + H3N = (H4N+ • 6H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr25.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 6Ammonia • Acetonitrile) + Ammonia = (NH4+ • 7Ammonia • Acetonitrile)

By formula: (H4N+ • 6H3N • C2H3N) + H3N = (H4N+ • 7H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr23.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 7Ammonia • Acetonitrile) + Ammonia = (NH4+ • 8Ammonia • Acetonitrile)

By formula: (H4N+ • 7H3N • C2H3N) + H3N = (H4N+ • 8H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr25.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 8Ammonia • Acetonitrile) + Ammonia = (NH4+ • 9Ammonia • Acetonitrile)

By formula: (H4N+ • 8H3N • C2H3N) + H3N = (H4N+ • 9H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr23.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr71.5kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr133.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr65.7kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr142.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr62.8kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr144.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ • Ammonia) + Ammonia = (NH4+ • 2Ammonia)

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr70. ± 5.kJ/molAVGN/AAverage of 5 out of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Δr100.J/mol*KHPMSTang and Castleman, 1975gas phase; M
Δr99.2J/mol*KPHPMSArshadi and Futrell, 1974gas phase; M
Δr104.J/mol*KDTLong and Franklin, 1973gas phase; M
Δr112.J/mol*KPHPMSSearles and Kebarle, 1968gas phase; M
Δr95.8J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; typographical error in ΔrH; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
41.296.FAFehsenfeld and Ferguson, 1973gas phase; DG>; M
42.3296.SAMSPuckett and Teague, 1971gas phase; M
23.400.HPMSWincel, 1972gas phase; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr50. ± 20.kJ/molAVGN/AAverage of 6 out of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Δr105. ± 5.J/mol*KAVGN/AAverage of 4 out of 7 values; Individual data points

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
27.296.FAFehsenfeld and Ferguson, 1973gas phase; M
27.296.SAMSPuckett and Teague, 1971gas phase; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr51. ± 4.kJ/molAVGN/AAverage of 5 out of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Δr118. ± 8.J/mol*KAVGN/AAverage of 3 out of 7 values; Individual data points

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
14.296.FAFehsenfeld and Ferguson, 1973gas phase; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr29.kJ/molPHPMSArshadi and Futrell, 1974gas phase; M
Δr31.kJ/molPHPMSSearles and Kebarle, 1968gas phase; M
Δr30.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M
Δr12.kJ/molTPEPICOKamke, Herrmann, et al., 1988gas phase; M
Δr40.kJ/molDTLong and Franklin, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr90.0J/mol*KPHPMSArshadi and Futrell, 1974gas phase; M
Δr100.J/mol*KPHPMSSearles and Kebarle, 1968gas phase; M
Δr130.J/mol*KDTLong and Franklin, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr2.kJ/molHPMSHogg, Haynes, et al., 1966gas phase; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr27.kJ/molPHPMSArshadi and Futrell, 1974gas phase; M
Δr30.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M
Quantity Value Units Method Reference Comment
Δr91.6J/mol*KPHPMSArshadi and Futrell, 1974gas phase; M

(NH4+ • 6Ammonia) + Ammonia = (NH4+ • 7Ammonia)

By formula: (H4N+ • 6H3N) + H3N = (H4N+ • 7H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 7Ammonia) + Ammonia = (NH4+ • 8Ammonia)

By formula: (H4N+ • 7H3N) + H3N = (H4N+ • 8H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 8Ammonia) + Ammonia = (NH4+ • 9Ammonia)

By formula: (H4N+ • 8H3N) + H3N = (H4N+ • 9H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 9Ammonia) + Ammonia = (NH4+ • 10Ammonia)

By formula: (H4N+ • 9H3N) + H3N = (H4N+ • 10H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 10Ammonia) + Ammonia = (NH4+ • 11Ammonia)

By formula: (H4N+ • 10H3N) + H3N = (H4N+ • 11H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 11Ammonia) + Ammonia = (NH4+ • 12Ammonia)

By formula: (H4N+ • 11H3N) + H3N = (H4N+ • 12H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 12Ammonia) + Ammonia = (NH4+ • 13Ammonia)

By formula: (H4N+ • 12H3N) + H3N = (H4N+ • 13H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 13Ammonia) + Ammonia = (NH4+ • 14Ammonia)

By formula: (H4N+ • 13H3N) + H3N = (H4N+ • 14H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 14Ammonia) + Ammonia = (NH4+ • 15Ammonia)

By formula: (H4N+ • 14H3N) + H3N = (H4N+ • 15H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 15Ammonia) + Ammonia = (NH4+ • 16Ammonia)

By formula: (H4N+ • 15H3N) + H3N = (H4N+ • 16H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

Iodide + Ammonia = (Iodide • Ammonia)

By formula: I- + H3N = (I- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr31.0 ± 1.3kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
Δr31. ± 4.2kJ/molTDAsCaldwell, Masucci, et al., 1989gas phase; B,M
Quantity Value Units Method Reference Comment
Δr87.4J/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr5.0 ± 2.5kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B

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

By formula: K+ + H3N = (K+ • H3N)

Quantity Value Units Method Reference Comment
Δr84.1kJ/molHPMSCastleman, 1978gas phase; M
Δr74.5kJ/molHPMSDavidson and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
Δr96.2J/mol*KHPMSCastleman, 1978gas phase; M
Δr117.J/mol*KHPMSDavidson and Kebarle, 1976gas phase; M

(Potassium ion (1+) • Ammonia) + Ammonia = (Potassium ion (1+) • 2Ammonia)

By formula: (K+ • H3N) + H3N = (K+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr68.2kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr95.4J/mol*KHPMSCastleman, 1978gas phase; M

(Potassium ion (1+) • 2Ammonia) + Ammonia = (Potassium ion (1+) • 3Ammonia)

By formula: (K+ • 2H3N) + H3N = (K+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr56.5kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr116.J/mol*KHPMSCastleman, 1978gas phase; M

(Potassium ion (1+) • 3Ammonia) + Ammonia = (Potassium ion (1+) • 4Ammonia)

By formula: (K+ • 3H3N) + H3N = (K+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr48.5kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr106.J/mol*KHPMSCastleman, 1978gas phase; M

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

By formula: Li+ + H3N = (Li+ • H3N)

Quantity Value Units Method Reference Comment
Δr164.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Δr161.kJ/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Δr96.J/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
Δr134.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M

(Lithium ion (1+) • Ammonia) + Ammonia = (Lithium ion (1+) • 2Ammonia)

By formula: (Li+ • H3N) + H3N = (Li+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr138.kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr124.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Lithium ion (1+) • 2Ammonia) + Ammonia = (Lithium ion (1+) • 3Ammonia)

By formula: (Li+ • 2H3N) + H3N = (Li+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr87.9kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr106.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Lithium ion (1+) • 3Ammonia) + Ammonia = (Lithium ion (1+) • 4Ammonia)

By formula: (Li+ • 3H3N) + H3N = (Li+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr69.0kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr136.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Lithium ion (1+) • 4Ammonia) + Ammonia = (Lithium ion (1+) • 5Ammonia)

By formula: (Li+ • 4H3N) + H3N = (Li+ • 5H3N)

Quantity Value Units Method Reference Comment
Δr46.4kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr117.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Lithium ion (1+) • 5Ammonia) + Ammonia = (Lithium ion (1+) • 6Ammonia)

By formula: (Li+ • 5H3N) + H3N = (Li+ • 6H3N)

Quantity Value Units Method Reference Comment
Δr39.kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr106.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

Magnesium ion (1+) + Ammonia = (Magnesium ion (1+) • Ammonia)

By formula: Mg+ + H3N = (Mg+ • H3N)

Quantity Value Units Method Reference Comment
Δr154. ± 12.kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • Ammonia) + Ammonia = (Magnesium ion (1+) • 2Ammonia)

By formula: (Mg+ • H3N) + H3N = (Mg+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr122. ± 6.7kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • 2Ammonia) + Ammonia = (Magnesium ion (1+) • 3Ammonia)

By formula: (Mg+ • 2H3N) + H3N = (Mg+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr95.4 ± 8.8kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • 3Ammonia) + Ammonia = (Magnesium ion (1+) • 4Ammonia)

By formula: (Mg+ • 3H3N) + H3N = (Mg+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr44. ± 10.kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • 4Ammonia) + Ammonia = (Magnesium ion (1+) • 5Ammonia)

By formula: (Mg+ • 4H3N) + H3N = (Mg+ • 5H3N)

Quantity Value Units Method Reference Comment
Δr56. ± 12.kJ/molCIDTAndersen, Muntean, et al., 20005th ligand is NH3; RCD

Manganese ion (1+) + Ammonia = (Manganese ion (1+) • Ammonia)

By formula: Mn+ + H3N = (Mn+ • H3N)

Quantity Value Units Method Reference Comment
Δr147. ± 7.9kJ/molCIDTWalter and Armentrout, 1998RCD
Δr154.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Manganese ion (1+) • Ammonia) + Ammonia = (Manganese ion (1+) • 2Ammonia)

By formula: (Mn+ • H3N) + H3N = (Mn+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr152. ± 12.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr143.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Manganese ion (1+) • 2Ammonia) + Ammonia = (Manganese ion (1+) • 3Ammonia)

By formula: (Mn+ • 2H3N) + H3N = (Mn+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr64.0 ± 9.2kJ/molCIDTWalter and Armentrout, 1998RCD
Δr49.4kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Manganese ion (1+) • 3Ammonia) + Ammonia = (Manganese ion (1+) • 4Ammonia)

By formula: (Mn+ • 3H3N) + H3N = (Mn+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr36. ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

Nitric oxide anion + Ammonia = H3N2O-

By formula: NO- + H3N = H3N2O-

Quantity Value Units Method Reference Comment
Δr43.51kJ/molN/AHendricks, de Clercq, et al., 2002gas phase; B

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

By formula: Na+ + H3N = (Na+ • H3N)

Quantity Value Units Method Reference Comment
Δr102. ± 5.4kJ/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Δr102. ± 5.4kJ/molCIDTArmentrout and Rodgers, 2000RCD
Δr107. ± 0.8kJ/molHPMSHoyau, Norrman, et al., 1999RCD
Δr122.kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr91200.J/mol*KHPMSHoyau, Norrman, et al., 1999RCD
Δr108.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
77.8298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

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

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

Quantity Value Units Method Reference Comment
Δr93. ± 5.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δr105.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr71.5kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr61.5kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr121.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr44.8kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr125.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

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

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

Quantity Value Units Method Reference Comment
Δr41.kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr124.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

Nickel ion (1+) + Ammonia = (Nickel ion (1+) • Ammonia)

By formula: Ni+ + H3N = (Ni+ • H3N)

Quantity Value Units Method Reference Comment
Δr231. ± 16.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr214.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Nickel ion (1+) • Ammonia) + Ammonia = (Nickel ion (1+) • 2Ammonia)

By formula: (Ni+ • H3N) + H3N = (Ni+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr249. ± 13.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr231.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Nickel ion (1+) • 2Ammonia) + Ammonia = (Nickel ion (1+) • 3Ammonia)

By formula: (Ni+ • 2H3N) + H3N = (Ni+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr90.0 ± 7.9kJ/molCIDTWalter and Armentrout, 1998RCD
Δr74.5kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Nickel ion (1+) • 3Ammonia) + Ammonia = (Nickel ion (1+) • 4Ammonia)

By formula: (Ni+ • 3H3N) + H3N = (Ni+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr37. ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

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

By formula: Pb+ + H3N = (Pb+ • H3N)

Quantity Value Units Method Reference Comment
Δr118.kJ/molHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M
Quantity Value Units Method Reference Comment
Δr98.7J/mol*KHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M

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

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

Quantity Value Units Method Reference Comment
Δr80.3kJ/molHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M
Quantity Value Units Method Reference Comment
Δr113.J/mol*KHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M

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

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

Quantity Value Units Method Reference Comment
Δr54.4kJ/molHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M
Quantity Value Units Method Reference Comment
Δr89.5J/mol*KHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M

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

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

Quantity Value Units Method Reference Comment
Δr44.8kJ/molHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M
Quantity Value Units Method Reference Comment
Δr102.J/mol*KHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M

Rubidium ion (1+) + Ammonia = (Rubidium ion (1+) • Ammonia)

By formula: Rb+ + H3N = (Rb+ • H3N)

Quantity Value Units Method Reference Comment
Δr78.2kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr102.J/mol*KHPMSCastleman, 1978gas phase; M

(Rubidium ion (1+) • Ammonia) + Ammonia = (Rubidium ion (1+) • 2Ammonia)

By formula: (Rb+ • H3N) + H3N = (Rb+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr63.6kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr98.7J/mol*KHPMSCastleman, 1978gas phase; M

(Rubidium ion (1+) • 2Ammonia) + Ammonia = (Rubidium ion (1+) • 3Ammonia)

By formula: (Rb+ • 2H3N) + H3N = (Rb+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr54.8kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr105.J/mol*KHPMSCastleman, 1978gas phase; M

(Rubidium ion (1+) • 3Ammonia) + Ammonia = (Rubidium ion (1+) • 4Ammonia)

By formula: (Rb+ • 3H3N) + H3N = (Rb+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr47.7kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr159.J/mol*KHPMSCastleman, 1978gas phase; M

(Rubidium ion (1+) • 4Ammonia) + Ammonia = (Rubidium ion (1+) • 5Ammonia)

By formula: (Rb+ • 4H3N) + H3N = (Rb+ • 5H3N)

Quantity Value Units Method Reference Comment
Δr42.7kJ/molHPMSCastleman, 1978gas phase; M

Titanium ion (1+) + Ammonia = (Titanium ion (1+) • Ammonia)

By formula: Ti+ + H3N = (Ti+ • H3N)

Quantity Value Units Method Reference Comment
Δr195. ± 7.1kJ/molCIDTWalter and Armentrout, 1998RCD

(Titanium ion (1+) • Ammonia) + Ammonia = (Titanium ion (1+) • 2Ammonia)

By formula: (Ti+ • H3N) + H3N = (Ti+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr175. ± 15.kJ/molCIDTWalter and Armentrout, 1998RCD

(Titanium ion (1+) • 2Ammonia) + Ammonia = (Titanium ion (1+) • 3Ammonia)

By formula: (Ti+ • 2H3N) + H3N = (Ti+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr176. ± 15.kJ/molCIDTWalter and Armentrout, 1998RCD

(Titanium ion (1+) • 3Ammonia) + Ammonia = (Titanium ion (1+) • 4Ammonia)

By formula: (Ti+ • 3H3N) + H3N = (Ti+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr156. ± 10.kJ/molCIDTWalter and Armentrout, 1998RCD

Vanadium ion (1+) + Ammonia = (Vanadium ion (1+) • Ammonia)

By formula: V+ + H3N = (V+ • H3N)

Quantity Value Units Method Reference Comment
Δr190. ± 11.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr217.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Vanadium ion (1+) • Ammonia) + Ammonia = (Vanadium ion (1+) • 2Ammonia)

By formula: (V+ • H3N) + H3N = (V+ • 2H3N)

Quantity Value Units Method Reference Comment
Δr164. ± 9.2kJ/molCIDTWalter and Armentrout, 1998RCD
Δr188.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Vanadium ion (1+) • 2Ammonia) + Ammonia = (Vanadium ion (1+) • 3Ammonia)

By formula: (V+ • 2H3N) + H3N = (V+ • 3H3N)

Quantity Value Units Method Reference Comment
Δr104. ± 11.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr94.6kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Vanadium ion (1+) • 3Ammonia) + Ammonia = (Vanadium ion (1+) • 4Ammonia)

By formula: (V+ • 3H3N) + H3N = (V+ • 4H3N)

Quantity Value Units Method Reference Comment
Δr95. ± 11.kJ/molCIDTWalter and Armentrout, 1998RCD
Δr78.2kJ/molCIDMarinelli and Squires, 1989gas phase; M

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, Ion clustering data, Gas Chromatography, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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NIST MS number 6

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Gas Chromatography

Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
PackedPMS-100150.118.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m
PackedPMS-100180.131.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m

References

Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

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Reiser, G.; Habenicht, W.; Muller-Dethlefs, K., Zero kinetic energy (ZEKE) photoelectron spectroscopy of ammonia by nonresonant two-photon ionization from the neutral ground state, J. Chem. Phys., 1993, 98, 8462. [all data]

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Locht, R.; Leyh, B.; Denzer, W.; Hagenow, G.; Baumgartel, H., The photoionization of ammonia revisited. The vibrational autoionization of NH3 and its three isotopomers in the 10-12 eV photon energy range, Chem. Phys., 1991, 155, 407. [all data]

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Debies, T.P.; Rabalais, J.W., Calculated photoionization cross-sections and angular distributions for the isoelectronic series Ne, HF, H2O, NH3, and CH4, J. Am. Chem. Soc., 1975, 97, 487. [all data]

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Morrison, J.D.; Traeger, J.C., Ionization and dissociation by electron impact. II. NH3 and PH3, Int. J. Mass Spectrom. Ion Phys., 1973, 11, 277. [all data]

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Potts, A.W.; Price, W.C., Photoelectron spectra and valence shell orbital structures of groups V VI hydrides, Proc. R. Soc. London A:, 1972, 326, 181. [all data]

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Branton, G.R.; Frost, D.C.; Herring, F.G.; McDowell, C.A.; Stenhouse, I.A., The ionization potentials of ammonia and ammonia-d3, measured by photoelectron spectroscopy, and an INDO calculation of these values, Chem. Phys. Lett., 1969, 3, 581. [all data]

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Baumgartel, H.; Jochims, H.-W.; Ruhl, E.; Bock, H.; Dammel, R.; Minkwitz, J.; Nass, R., Photoelectron and photoionization mass spectra of the fluoramines NH3-nFn1, Inorg. Chem., 1989, 28, 943. [all data]

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Campbell, M.J.; Liesegang, J.; Riley, J.D.; Leckey, R.C.G.; Jenkin, J.G.; Poole, R.T., The electronic structure of the valence bands of solid NH3 and H2O studied by ultraviolet photoelectron spectroscopy, J. Electron Spectrosc. Relat. Phenom., 1979, 15, 83. [all data]

Daamen and Oskam, 1978
Daamen, H.; Oskam, A., Bonding properties of some monosubstituted chromium and tungsten hexacarbonyls M(CO)5L (L=amine, substituted pyridine, azine), Inorg. Chim. Acta, 1978, 26, 81. [all data]

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Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]

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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]

Castleman, 1978
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]

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Szulejko, J.E.; McMahon, T.B., A Pulsed Electron Beam, Variable Temperature, High Pressure Mass Spectrometric Reevaluation of the Proton Affinity Difference Between 2-Methylpropene and Ammonia, Int. J. Mass Spectrom. Ion Proc., 1991, 109, 279, https://doi.org/10.1016/0168-1176(91)85109-Y . [all data]

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Markovich, G.; Chesnovsky, O.; Kaldor, U., Charge Transfer Excitations in the Photoelectron Spectrum of Cl-NH3: Experiment and calculation, J. Chem. Phys, 1993, https://doi.org/10.1063/1.465913 . [all data]

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Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria, J. Am. Chem. Soc., 1984, 106, 517. [all data]

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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]

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Marinelli, P.J.; Squires, R.R., Sequential Solvation of Atomic Transition Metal Ions: The Second Solvent Molecule Can Bind More Strongly than the First, J. Am. Chem. Soc., 1989, 111, 11, 4101, https://doi.org/10.1021/ja00193a052 . [all data]

Spears and Ferguson, 1973
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Notes

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