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

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Reactions 51 to 66

(CN- • Hydrogen cyanide) + Water = (CN- • Water • Hydrogen cyanide)

By formula: (CN- • CHN) + H2O = (CN- • H2O • CHN)

Quantity Value Units Method Reference Comment
Δr12.4 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; B,M
Quantity Value Units Method Reference Comment
Δr19.7cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Δr6.5 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; B

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

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

Quantity Value Units Method Reference Comment
Δr12.6kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.4262.PHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

(CN- • 2Hydrogen cyanide • Water) + Hydrogen cyanide = (CN- • 3Hydrogen cyanide • Water)

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

Quantity Value Units Method Reference Comment
Δr12.3kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.1262.PHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

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

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

Quantity Value Units Method Reference Comment
Δr13.1kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Δr20.cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.9262.PHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

CN- + Sulfur dioxide = (CN- • Sulfur dioxide)

By formula: CN- + O2S = (CN- • O2S)

Quantity Value Units Method Reference Comment
Δr21.70 ± 0.80kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr28.cal/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr13.40 ± 0.20kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B

CN- + Carbon dioxide = (CN- • Carbon dioxide)

By formula: CN- + CO2 = (CN- • CO2)

Quantity Value Units Method Reference Comment
Δr17.30 ± 0.80kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr31.5cal/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr7.90 ± 0.20kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B

(CN- • 5Hydrogen cyanide) + Hydrogen cyanide = (CN- • 6Hydrogen cyanide)

By formula: (CN- • 5CHN) + CHN = (CN- • 6CHN)

Quantity Value Units Method Reference Comment
Δr8.5 ± 1.0kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr20.4cal/mol*KPHPMSMeot-ner, Cybulski, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr2.40kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; B

CN- + Borane, triethyl- = (CN- • Borane, triethyl-)

By formula: CN- + C6H15B = (CN- • C6H15B)

Quantity Value Units Method Reference Comment
Δr35.90 ± 0.80kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr28.cal/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr27.60 ± 0.20kcal/molTDAsLarson, Szulejko, et al., 1988gas phase; B

(CN- • 2Water • Hydrogen cyanide) + Water = (CN- • 3Water • Hydrogen cyanide)

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

Quantity Value Units Method Reference Comment
Δr8.5 ± 1.0kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B
Quantity Value Units Method Reference Comment
Δr2.5 ± 1.4kcal/molTDAsMeot-Ner (Mautner) M. and Speller, 1989gas phase; Entropy estimated; B

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

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

Quantity Value Units Method Reference Comment
Δr13.2kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M
Quantity Value Units Method Reference Comment
Δr17.8cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n; M

CN- + C3F6O = (CN- • C3F6O)

By formula: CN- + C3F6O = (CN- • C3F6O)

Quantity Value Units Method Reference Comment
Δr27.6 ± 1.0kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B
Quantity Value Units Method Reference Comment
Δr17.20 ± 0.50kcal/molIMRELarson, Szulejko, et al., 1988gas phase; B

CN- + Propane, 2-chloro-2-methyl- = (CN- • Propane, 2-chloro-2-methyl-)

By formula: CN- + C4H9Cl = (CN- • C4H9Cl)

Quantity Value Units Method Reference Comment
Δr15.9 ± 1.0kcal/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr7.55 ± 0.20kcal/molTDAsLi, Ross, et al., 1996gas phase; B

CN- + Chloromethane = (CN- • Chloromethane)

By formula: CN- + CH3Cl = (CN- • CH3Cl)

Quantity Value Units Method Reference Comment
Δr10.2 ± 1.0kcal/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr4.90 ± 0.20kcal/molTDAsLi, Ross, et al., 1996gas phase; B

CN- + CH3CONHCH(CH3)COOCH3 = (CN- • CH3CONHCH(CH3)COOCH3)

By formula: CN- + C6H11NO3 = (CN- • C6H11NO3)

Quantity Value Units Method Reference Comment
Δr26.4 ± 1.0kcal/molTDAsMeot-ner, 1988gas phase; B
Quantity Value Units Method Reference Comment
Δr17.8 ± 1.0kcal/molTDAsMeot-ner, 1988gas phase; B

CN- + L-Alanine, N-acetyl-, methyl ester = (CN- • L-Alanine, N-acetyl-, methyl ester)

By formula: CN- + C6H11NO3 = (CN- • C6H11NO3)

Quantity Value Units Method Reference Comment
Δr26.4kcal/molPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr28.7cal/mol*KPHPMSMeot-ner, 1988gas phase; M

CN- + Borane = (CN- • Borane)

By formula: CN- + H3B = (CN- • H3B)

Quantity Value Units Method Reference Comment
Δr61.1 ± 2.1kcal/molEndoWorkman and Squires, 1988gas 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.

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]

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]

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, 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]

Li, Ross, et al., 1996
Li, C.; Ross, P.; Szulejko, J.; McMahon, T.B., High-Pressure Mass Spectrometric Investigations of the Potential Energy Surfaces of Gas-Phase Sn2 Reactions., J. Am. Chem. Soc., 1996, 118, 39, 9360, https://doi.org/10.1021/ja960565o . [all data]

Meot-ner, 1988
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]

Workman and Squires, 1988
Workman, D.B.; Squires, R.R., Hydride Binding Energies of Boranes, Inorg. Chem., 1988, 27, 11, 1846, https://doi.org/10.1021/ic00284a003 . [all data]


Notes

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