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CN anion


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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. 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

CN- + Water = (CN- bullet Water)

By formula: CN- + H2O = (CN- bullet H2O)

Quantity Value Units Method Reference Comment
Deltar12.70 ± 0.80kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Deltar14.6 ± 1.0kcal/molTDAsMeot-ner, 1988gas phase; B,B,M,M
Deltar13.80kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B,M
Deltar14.6kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar19.6cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar18.cal/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Deltar19.6cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Deltar19.6cal/mol*KPHPMSMeot-ner, 1988gas phase; M
Deltar19.8cal/mol*KHPMSPayzant, Yamdagni, et al., 1971gas phase; M
Quantity Value Units Method Reference Comment
Deltar7.30 ± 0.20kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B
Deltar8.7 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B
Deltar8.7 ± 1.0kcal/molTDAsMeot-ner, 1988gas phase; B
Deltar7.90kcal/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B

CN- + Hydrogen cyanide = (CN- bullet Hydrogen cyanide)

By formula: CN- + CHN = (CN- bullet CHN)

Quantity Value Units Method Reference Comment
Deltar21.7 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Deltar20.0 ± 2.0kcal/molEstLarson and McMahon, 1984gas phase; B
Deltar20.7kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar20.7kcal/molPHPMSMeot-ner, 1988, 2gas phase; M,B,B,M
Quantity Value Units Method Reference Comment
Deltar20.6cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar20.6cal/mol*KPHPMSMeot-ner, Cybulski, et al., 1988gas phase; M
Deltar20.6cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Deltar26.9cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(H2O), Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar14.5 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B
Deltar13.7 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Deltar14.5 ± 1.6kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; B

CN- + Acetonitrile = (CN- bullet Acetonitrile)

By formula: CN- + C2H3N = (CN- bullet C2H3N)

Quantity Value Units Method Reference Comment
Deltar13.8 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B,M
Deltar16.4 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Deltar15.70kcal/molTDAsHiraoka, Mizure, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar21.7cal/mol*KPHPMSHiraoka, Mizure, et al., 1988gas phase; M
Deltar14.2cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Deltar24.3cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar9.5 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B
Deltar9.1 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Deltar9.20kcal/molTDAsHiraoka, Mizure, et al., 1988gas phase; B

CN- + Methyl Alcohol = (CN- bullet Methyl Alcohol)

By formula: CN- + CH4O = (CN- bullet CH4O)

Quantity Value Units Method Reference Comment
Deltar15.70 ± 0.80kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Deltar16.6 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B
Deltar16.5 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar23.cal/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Deltar24.3cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar8.80 ± 0.20kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B
Deltar10.4 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B
Deltar9.2 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Hydrogen cation = Hydrogen cyanide

By formula: CN- + H+ = CHN

Quantity Value Units Method Reference Comment
Deltar349.8 ± 1.0kcal/molCIDTAkin and Ervin, 2006gas phase; B
Deltar350.50 ± 0.17kcal/molD-EABradforth, Kim, et al., 1993gas phase; B
Deltar351.1 ± 2.1kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Deltar342.5 ± 1.1kcal/molH-TSAkin and Ervin, 2006gas phase; B
Deltar343.17 ± 0.27kcal/molH-TSBradforth, Kim, et al., 1993gas phase; B
Deltar343.8 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

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

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

Quantity Value Units Method Reference Comment
Deltar10.7 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Stated EA is Vertical Detachment Energy, at 12 K. At 298 K, measured Vertical Detachment Energy = 5.50±0.10 eV; B,M
Deltar10.7kcal/molPHPMSMeot-ner, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar19.8cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar19.8cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar7.8 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Stated EA is Vertical Detachment Energy, at 12 K. At 298 K, measured Vertical Detachment Energy = 5.50±0.10 eV; B

CN- + Isopropyl Alcohol = (CN- bullet Isopropyl Alcohol)

By formula: CN- + C3H8O = (CN- bullet C3H8O)

Quantity Value Units Method Reference Comment
Deltar16.70 ± 0.80kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Deltar18.1 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar26.cal/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Deltar24.8cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar9.00 ± 0.20kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B
Deltar10.7 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Ethanol, 2,2,2-trifluoro- = (CN- bullet Ethanol, 2,2,2-trifluoro-)

By formula: CN- + C2H3F3O = (CN- bullet C2H3F3O)

Quantity Value Units Method Reference Comment
Deltar24.00 ± 0.80kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Deltar24.6 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar30.cal/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Deltar26.1cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar15.10 ± 0.20kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B
Deltar16.4 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Pyrrole = (CN- bullet Pyrrole)

By formula: CN- + C4H5N = (CN- bullet C4H5N)

Quantity Value Units Method Reference Comment
Deltar23.4 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B,M
Deltar19.5 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar27.1cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Deltar23.8cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar15.3 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B
Deltar12.3 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Ethanol = (CN- bullet Ethanol)

By formula: CN- + C2H6O = (CN- bullet C2H6O)

Quantity Value Units Method Reference Comment
Deltar17.4 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B,M
Deltar17.4 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar22.5cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Deltar24.5cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar10.7 ± 1.0kcal/molTDAsMeot-ner, 1988, 2gas phase; B
Deltar10.0 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + 1,1,2-Trifluoroethane = (CN- bullet 1,1,2-Trifluoroethane)

By formula: CN- + C2H3F3 = (CN- bullet C2H3F3)

Quantity Value Units Method Reference Comment
Deltar18.4kcal/molICRLarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar24.8cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar11.0kcal/molICRLarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M

CN- + 1,3-Difluoro-2-propanol = (CN- bullet 1,3-Difluoro-2-propanol)

By formula: CN- + C3H6F2O = (CN- bullet C3H6F2O)

Quantity Value Units Method Reference Comment
Deltar23.5kcal/molICRLarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar26.0cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar15.8kcal/molICRLarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M

CN- + C4H4F6O = (CN- bullet C4H4F6O)

By formula: CN- + C4H4F6O = (CN- bullet C4H4F6O)

Quantity Value Units Method Reference Comment
Deltar25.7 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M,M
Quantity Value Units Method Reference Comment
Deltar26.4cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Deltar26.4cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar17.8 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M,M

CN- + Hydrogen sulfide = (CN- bullet Hydrogen sulfide)

By formula: CN- + H2S = (CN- bullet H2S)

Quantity Value Units Method Reference Comment
Deltar18.9 ± 1.0kcal/molTDEqMeot-ner, 1988, 2gas phase; B
Deltar19.8 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar23.8cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar12.9 ± 1.0kcal/molTDEqMeot-ner, 1988, 2gas phase; B
Deltar12.4 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

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

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

Quantity Value Units Method Reference Comment
Deltar9.8 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
Deltar20.cal/mol*KN/AMeot-Ner (Mautner) and Speller, 1989gas phase; n, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar3.8 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
4.6262.PHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n, Entropy change calculated or estimated; M

(CN- bullet 6Hydrogen cyanide) + Hydrogen cyanide = (CN- bullet 7Hydrogen cyanide)

By formula: (CN- bullet 6CHN) + CHN = (CN- bullet 7CHN)

Quantity Value Units Method Reference Comment
Deltar7.6 ± 1.0kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
Deltar20.cal/mol*KN/AMeot-ner, Cybulski, et al., 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar1.60kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; Entropy estimated; B

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
3.0238.PHPMSMeot-ner, Cybulski, et al., 1988gas phase; Entropy change calculated or estimated; M

(CN- bullet 2Hydrogen cyanide) + Hydrogen cyanide = (CN- bullet 3Hydrogen cyanide)

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

Quantity Value Units Method Reference Comment
Deltar12.6kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar12.6kcal/molPHPMSMeot-ner, 1988, 2gas phase; M,B,M
Quantity Value Units Method Reference Comment
Deltar21.2cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar21.2cal/mol*KPHPMSMeot-ner, Cybulski, et al., 1988gas phase; M
Deltar21.2cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar6.30kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; B

(CN- bullet 3Hydrogen cyanide) + Hydrogen cyanide = (CN- bullet 4Hydrogen cyanide)

By formula: (CN- bullet 3CHN) + CHN = (CN- bullet 4CHN)

Quantity Value Units Method Reference Comment
Deltar10.9kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar10.9kcal/molPHPMSMeot-ner, 1988, 2gas phase; M,B,M
Quantity Value Units Method Reference Comment
Deltar24.8cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar24.8cal/mol*KPHPMSMeot-ner, Cybulski, et al., 1988gas phase; M
Deltar24.8cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar3.50kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; B

(CN- bullet Hydrogen cyanide) + Hydrogen cyanide = (CN- bullet 2Hydrogen cyanide)

By formula: (CN- bullet CHN) + CHN = (CN- bullet 2CHN)

Quantity Value Units Method Reference Comment
Deltar16.4kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar16.4kcal/molPHPMSMeot-ner, 1988, 2gas phase; M,B,M
Quantity Value Units Method Reference Comment
Deltar21.8cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar21.8cal/mol*KPHPMSMeot-ner, Cybulski, et al., 1988gas phase; M
Deltar21.8cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar9.90kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; B

(CN- bullet Water bullet 2Hydrogen cyanide) + Water = (CN- bullet 2Water bullet 2Hydrogen cyanide)

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

Quantity Value Units Method Reference Comment
Deltar8.9 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
Deltar20.cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar2.9 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
3.7262.PHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

(CN- bullet 3Hydrogen cyanide) + Water = (CN- bullet Water bullet 3Hydrogen cyanide)

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

Quantity Value Units Method Reference Comment
Deltar9.4 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B,M
Quantity Value Units Method Reference Comment
Deltar20.cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar3.4 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
4.2262.PHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

(CN- bullet 4Hydrogen cyanide) + Hydrogen cyanide = (CN- bullet 5Hydrogen cyanide)

By formula: (CN- bullet 4CHN) + CHN = (CN- bullet 5CHN)

Quantity Value Units Method Reference Comment
Deltar9.8 ± 1.0kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; B,M
Deltar9.8kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar20.2cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar20.2cal/mol*KPHPMSMeot-ner, Cybulski, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar3.80kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar11.7 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; B,M
Deltar11.7kcal/molPHPMSMeot-ner, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar18.1cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Deltar18.1cal/mol*KPHPMSMeot-ner, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar6.3 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; B

CN- + C2F4O = (CN- bullet C2F4O)

By formula: CN- + C2F4O = (CN- bullet C2F4O)

Quantity Value Units Method Reference Comment
Deltar35.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Deltar35.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M

CN- + Phosphoryl fluoride = (CN- bullet Phosphoryl fluoride)

By formula: CN- + F3OP = (CN- bullet F3OP)

Quantity Value Units Method Reference Comment
Deltar23.5 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar30.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar14.60 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

CN- + Pentafluorodimethyl ether = (CN- bullet Pentafluorodimethyl ether)

By formula: CN- + C2HF5O = (CN- bullet C2HF5O)

Quantity Value Units Method Reference Comment
Deltar18.7 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.9cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar11.3 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Sulfur tetrafluoride = (CN- bullet Sulfur tetrafluoride)

By formula: CN- + F4S = (CN- bullet F4S)

Quantity Value Units Method Reference Comment
Deltar25.8 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar30.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar16.90 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

CN- + Silicon tetrafluoride = (CN- bullet Silicon tetrafluoride)

By formula: CN- + F4Si = (CN- bullet F4Si)

Quantity Value Units Method Reference Comment
Deltar27.2 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar30.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar18.30 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

CN- + trifluoroarsine = (CN- bullet trifluoroarsine)

By formula: CN- + AsF3 = (CN- bullet AsF3)

Quantity Value Units Method Reference Comment
Deltar24.9 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar28.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar16.60 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

CN- + Thionyl fluoride = (CN- bullet Thionyl fluoride)

By formula: CN- + F2OS = (CN- bullet F2OS)

Quantity Value Units Method Reference Comment
Deltar15.8 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar30.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar6.90 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

CN- + Phosphorus trifluoride = (CN- bullet Phosphorus trifluoride)

By formula: CN- + F3P = (CN- bullet F3P)

Quantity Value Units Method Reference Comment
Deltar15.3 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar30.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar6.40 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

CN- + 2-Chloroethanol = (CN- bullet 2-Chloroethanol)

By formula: CN- + C2H5ClO = (CN- bullet C2H5ClO)

Quantity Value Units Method Reference Comment
Deltar21.1 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar25.5cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar13.5 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Boric acid, trimethyl ester = (CN- bullet Boric acid, trimethyl ester)

By formula: CN- + C3H9BO3 = (CN- bullet C3H9BO3)

Quantity Value Units Method Reference Comment
Deltar19.6 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar35.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar10.70 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

CN- + 1,1,1',1'-Tetrafluorodimethyl ether = (CN- bullet 1,1,1',1'-Tetrafluorodimethyl ether)

By formula: CN- + C2H2F4O = (CN- bullet C2H2F4O)

Quantity Value Units Method Reference Comment
Deltar22.0 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar26.cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar15.1 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Carbonic difluoride = (CN- bullet Carbonic difluoride)

By formula: CN- + CF2O = (CN- bullet CF2O)

Quantity Value Units Method Reference Comment
Deltar23.5 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar35.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar13.10 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

CN- + Ethanol, 2-fluoro- = (CN- bullet Ethanol, 2-fluoro-)

By formula: CN- + C2H5FO = (CN- bullet C2H5FO)

Quantity Value Units Method Reference Comment
Deltar20.4 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar25.3cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar12.9 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Silane, trifluoromethyl- = (CN- bullet Silane, trifluoromethyl-)

By formula: CN- + CH3F3Si = (CN- bullet CH3F3Si)

Quantity Value Units Method Reference Comment
Deltar22.6 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar30.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar13.70 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M

CN- + 2-Propanone, 1,1,1-trifluoro- = (CN- bullet 2-Propanone, 1,1,1-trifluoro-)

By formula: CN- + C3H3F3O = (CN- bullet C3H3F3O)

Quantity Value Units Method Reference Comment
Deltar20.4 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar25.3cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar12.9 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + 2-Propanone, 1,1,1,3,3-pentafluoro- = (CN- bullet 2-Propanone, 1,1,1,3,3-pentafluoro-)

By formula: CN- + C3HF5O = (CN- bullet C3HF5O)

Quantity Value Units Method Reference Comment
Deltar25.8 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar26.4cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar17.9 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Carbonocyanidic acid, ethyl ester = (CN- bullet Carbonocyanidic acid, ethyl ester)

By formula: CN- + C4H5NO2 = (CN- bullet C4H5NO2)

Quantity Value Units Method Reference Comment
Deltar17.4 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.5cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar10.0 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Trichloromethane = (CN- bullet Trichloromethane)

By formula: CN- + CHCl3 = (CN- bullet CHCl3)

Quantity Value Units Method Reference Comment
Deltar18.2 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.8cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar10.8 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Fluorodichloromethane = (CN- bullet Fluorodichloromethane)

By formula: CN- + CHCl2F = (CN- bullet CHCl2F)

Quantity Value Units Method Reference Comment
Deltar17.8 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.7cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar10.4 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + 2-Propanol, 2-methyl- = (CN- bullet 2-Propanol, 2-methyl-)

By formula: CN- + C4H10O = (CN- bullet C4H10O)

Quantity Value Units Method Reference Comment
Deltar18.1 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.8cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar10.7 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + 2-Propanol, 1,1,1,3,3,3-hexafluoro- = (CN- bullet 2-Propanol, 1,1,1,3,3,3-hexafluoro-)

By formula: CN- + C3H2F6O = (CN- bullet C3H2F6O)

Quantity Value Units Method Reference Comment
Deltar25.0 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar26.cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar16.8 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Acetone = (CN- bullet Acetone)

By formula: CN- + C3H6O = (CN- bullet C3H6O)

Quantity Value Units Method Reference Comment
Deltar14.7 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar22.5cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar8.0 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Methylene chloride = (CN- bullet Methylene chloride)

By formula: CN- + CH2Cl2 = (CN- bullet CH2Cl2)

Quantity Value Units Method Reference Comment
Deltar16.3 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.2cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar9.0 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Fluoroform = (CN- bullet Fluoroform)

By formula: CN- + CHF3 = (CN- bullet CHF3)

Quantity Value Units Method Reference Comment
Deltar17.0 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.4cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar9.6 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

CN- + Silane, difluorodimethyl- = (CN- bullet Silane, difluorodimethyl-)

By formula: CN- + C2H6F2Si = (CN- bullet C2H6F2Si)

Quantity Value Units Method Reference Comment
Deltar16.8 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar30.cal/mol*KN/ALarson, Szulejko, et al., 1988gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M

(CN- bullet Water bullet Hydrogen cyanide) + Water = (CN- bullet 2Water bullet Hydrogen cyanide)

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

Quantity Value Units Method Reference Comment
Deltar9.5 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar17.5cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar4.2 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; B

(CN- bullet 2Hydrogen cyanide) + Water = (CN- bullet Water bullet 2Hydrogen cyanide)

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

Quantity Value Units Method Reference Comment
Deltar7.7 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar12.5cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar4.0 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; B

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.

Larson, Szulejko, et al., 1988
Larson, J.W.; Szulejko, J.E.; McMahon, T.B., Gas Phase Lewis Acid-Base Interactions. An Experimental Determination of Cyanide Binding Energies From Ion Cyclotron Resonance and High-Pressure Mass Spectrometric Equilibrium Measurements., J. Am. Chem. Soc., 1988, 110, 23, 7604, https://doi.org/10.1021/ja00231a004 . [all data]

Meot-ner, 1988
Meot-ner, M., The Ionic Hydrogen Bond and Solvation. 7. Interaction Energies of Carbanions with Solvent Molecules, J. Am. Chem. Soc., 1988, 110, 12, 3858, https://doi.org/10.1021/ja00220a022 . [all data]

Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P., Hydration of CN-, NO2-, NO3-, and HO- in the gas phase, Can. J. Chem., 1971, 49, 3308. [all data]

Meot-Ner (Mautner) and Speller, 1989
Meot-Ner (Mautner), M.; Speller, C.V., Multicomponent Cluster Ions.3. Comparative Stabilities of Cationic and Anionic Hydrogen Bonded Networks. Mixed Clusters of Water and Hydrogen Cyanide, J. Phys. Chem., 1989, 93, 6580. [all data]

Meot-ner, 1988, 2
Meot-ner, M., Ionic Hydrogen Bond and Ion Solvation. 6. Interaction Energies of the Acetate Ion with Organic Molecules. Comparison of CH3COO- with Cl-, CN-, and SH-, J. Am. Chem. Soc., 1988, 110, 12, 3854, https://doi.org/10.1021/ja00220a022 . [all data]

Larson and McMahon, 1987
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. The energetics of interaction between cyanide ion and bronsted acids, J. Am. Chem. Soc., 1987, 109, 6230. [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Gas phase bihalide and pseudohalide ions. An ICR determination of hydrogen bond energies in XHY- species (X,Y = F, Cl, Br, CN), Inorg. Chem., 1984, 23, 2029. [all data]

Meot-ner, Cybulski, et al., 1988
Meot-ner, M.; Cybulski, S.M.; Scheiner, S.; Liebman, J.F., Is CN- Significantly Anisotropic? Comparison of CN- vs. Cl-: Clustering with HCN and Condensed Phase Thermochemistry, J. Phys. Chem., 1988, 92, 10, 2738, https://doi.org/10.1021/j100321a009 . [all data]

Hiraoka, Mizure, et al., 1988
Hiraoka, K.; Mizure, S.; Yamabe, S.; Nakatsuji, Y., Gas Phase Clustering Reactions of CN- and CH2CN- with MeCN, Chem. Phys. Lett., 1988, 148, 6, 497, https://doi.org/10.1016/0009-2614(88)80320-8 . [all data]

Akin and Ervin, 2006
Akin, F.A.; Ervin, K.M., Collision-induced dissociation of HS-(HCN): Unsymmetrical hydrogen bonding in a proton-bound dimer anion, J. Phys. Chem. A, 2006, 110, 4, 1342-1349, https://doi.org/10.1021/jp0540454 . [all data]

Bradforth, Kim, et al., 1993
Bradforth, S.E.; Kim, E.H.; Arnold, D.W.; Neumark, D.M., Photoelectron Spectroscopy of CN-, NCO-, and NCS-, J. Chem. Phys., 1993, 98, 2, 800, https://doi.org/10.1063/1.464244 . [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Meot-Ner (Mautner) M. and Speller, 1989
Meot-Ner (Mautner) M.; Speller, C.V., Multicomponent Cluster Ions. 2. Comparative Stabilities of Cationic and Anionic Hydrogen Bonded Networks. Mixed Clusters of Water and Hydrogen Cyanide, J. Phys. Chem., 1989, 93, 9, 3663, https://doi.org/10.1021/j100346a058 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, References