CN anion

• Formula: CN^-
• Molecular weight: 26.0179
• Information on this page:
  • Reaction thermochemistry data (reactions 1 to 50)
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data: reactions 51 to 66
  • Ion clustering data
• Options:
  • Switch to SI units

Reaction thermochemistry data

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

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

Data compiled as indicated in comments:
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^- +  = (CN^- • )

By formula: CN^- + H₂O = (CN^- • H₂O)

CN^- +  = (CN^- • )

By formula: CN^- + CHN = (CN^- • CHN)

CN^- +  = (CN^- • )

By formula: CN^- + C₂H₃N = (CN^- • C₂H₃N)

CN^- +  = (CN^- • )

By formula: CN^- + CH₄O = (CN^- • CH₄O)

CN^- +  =

By formula: CN^- + H⁺ = CHN

(CN^- • 2) +  = (CN^- • 3)

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

CN^- +  = (CN^- • )

By formula: CN^- + C₃H₈O = (CN^- • C₃H₈O)

CN^- +  = (CN^- • )

By formula: CN^- + C₂H₃F₃O = (CN^- • C₂H₃F₃O)

CN^- +  = (CN^- • )

By formula: CN^- + C₄H₅N = (CN^- • C₄H₅N)

CN^- +  = (CN^- • )

By formula: CN^- + C₂H₆O = (CN^- • C₂H₆O)

CN^- +  = (CN^- • )

By formula: CN^- + C₂H₃F₃ = (CN^- • C₂H₃F₃)

CN^- +  = (CN^- • )

By formula: CN^- + C₃H₆F₂O = (CN^- • C₃H₆F₂O)

CN^- + C₄H₄F₆O = (CN^- • C₄H₄F₆O)

By formula: CN^- + C₄H₄F₆O = (CN^- • C₄H₄F₆O)

CN^- +  = (CN^- • )

By formula: CN^- + H₂S = (CN^- • H₂S)

(CN^- • 3) +  = (CN^- • 4)

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

Free energy of reaction

(CN^- • 6) +  = (CN^- • 7)

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

Free energy of reaction

(CN^- • 2) +  = (CN^- • 3)

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

(CN^- • 3) +  = (CN^- • 4)

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

(CN^- • ) +  = (CN^- • 2)

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

(CN^- •  • 2) +  = (CN^- • 2 • 2)

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

Free energy of reaction

(CN^- • 3) +  = (CN^- •  • 3)

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

Free energy of reaction

(CN^- • 4) +  = (CN^- • 5)

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

(CN^- • ) +  = (CN^- • 2)

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

CN^- + C₂F₄O = (CN^- • C₂F₄O)

By formula: CN^- + C₂F₄O = (CN^- • C₂F₄O)

CN^- +  = (CN^- • )

By formula: CN^- + F₃OP = (CN^- • F₃OP)

CN^- +  = (CN^- • )

By formula: CN^- + C₂HF₅O = (CN^- • C₂HF₅O)

CN^- +  = (CN^- • )

By formula: CN^- + F₄S = (CN^- • F₄S)

CN^- +  = (CN^- • )

By formula: CN^- + F₄Si = (CN^- • F₄Si)

CN^- +  = (CN^- • )

By formula: CN^- + AsF₃ = (CN^- • AsF₃)

CN^- +  = (CN^- • )

By formula: CN^- + F₂OS = (CN^- • F₂OS)

CN^- +  = (CN^- • )

By formula: CN^- + F₃P = (CN^- • F₃P)

CN^- +  = (CN^- • )

By formula: CN^- + C₂H₅ClO = (CN^- • C₂H₅ClO)

CN^- +  = (CN^- • )

By formula: CN^- + C₃H₉BO₃ = (CN^- • C₃H₉BO₃)

CN^- +  = (CN^- • )

By formula: CN^- + C₂H₂F₄O = (CN^- • C₂H₂F₄O)

CN^- +  = (CN^- • )

By formula: CN^- + CF₂O = (CN^- • CF₂O)

CN^- +  = (CN^- • )

By formula: CN^- + C₂H₅FO = (CN^- • C₂H₅FO)

CN^- +  = (CN^- • )

By formula: CN^- + CH₃F₃Si = (CN^- • CH₃F₃Si)

CN^- +  = (CN^- • )

By formula: CN^- + C₃H₃F₃O = (CN^- • C₃H₃F₃O)

CN^- +  = (CN^- • )

By formula: CN^- + C₃HF₅O = (CN^- • C₃HF₅O)

CN^- +  = (CN^- • )

By formula: CN^- + C₄H₅NO₂ = (CN^- • C₄H₅NO₂)

CN^- +  = (CN^- • )

By formula: CN^- + CHCl₃ = (CN^- • CHCl₃)

CN^- +  = (CN^- • )

By formula: CN^- + CHCl₂F = (CN^- • CHCl₂F)

CN^- +  = (CN^- • )

By formula: CN^- + C₄H₁₀O = (CN^- • C₄H₁₀O)

CN^- +  = (CN^- • )

By formula: CN^- + C₃H₂F₆O = (CN^- • C₃H₂F₆O)

CN^- +  = (CN^- • )

By formula: CN^- + C₃H₆O = (CN^- • C₃H₆O)

CN^- +  = (CN^- • )

By formula: CN^- + CH₂Cl₂ = (CN^- • CH₂Cl₂)

CN^- +  = (CN^- • )

By formula: CN^- + CHF₃ = (CN^- • CHF₃)

CN^- +  = (CN^- • )

By formula: CN^- + C₂H₆F₂Si = (CN^- • C₂H₆F₂Si)

(CN^- •  • ) +  = (CN^- • 2 • )

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

(CN^- • 2) +  = (CN^- •  • 2)

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

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, References, Notes

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

Data compiled by: John E. Bartmess

Protonation reactions

CN^- +  =

By formula: CN^- + H⁺ = CHN

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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, Gas phase ion energetics data, References

• Symbols used in this document:
  

  T	Temperature
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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