Proton affinities of substituted cyanides

Stephen Marriott, Ronald D. Topsom, Carlito B. Lebrilla, Ilmar Koppel, Masaaki Mishima, Robert W. Taft

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Molecular orbital calculations at the ab initio STO-3G, 3-21G, 4-31G, and 6-31G* bases have been made for the relative proton affinities of an extended series of substituted cyanides, XCN. It is shown that geometry optimization at the 3-21G level is adequate and that 3-21G//3-21G calculations give very similar results to those obtained at the 6-31G*//3-21G level, except for X = Cl. Gas phase proton affinities are reported for many of the XCN compounds and these values are compared with the calculated results. Agreement between theory and experiment is excellent, except for some substituents which exert large field inductive effects.

Original languageEnglish (US)
Pages (from-to)133-141
Number of pages9
JournalJournal of Molecular Structure: THEOCHEM
Volume137
Issue number1-2
DOIs
StatePublished - May 1 1986
Externally publishedYes

Fingerprint

Cyanides
cyanides
affinity
Protons
Orbital calculations
protons
Molecular orbitals
molecular orbitals
Gases
vapor phases
optimization
Geometry
geometry
Experiments

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Computational Theory and Mathematics
  • Atomic and Molecular Physics, and Optics

Cite this

Marriott, S., Topsom, R. D., Lebrilla, C. B., Koppel, I., Mishima, M., & Taft, R. W. (1986). Proton affinities of substituted cyanides. Journal of Molecular Structure: THEOCHEM, 137(1-2), 133-141. https://doi.org/10.1016/0166-1280(86)80092-6

Proton affinities of substituted cyanides. / Marriott, Stephen; Topsom, Ronald D.; Lebrilla, Carlito B.; Koppel, Ilmar; Mishima, Masaaki; Taft, Robert W.

In: Journal of Molecular Structure: THEOCHEM, Vol. 137, No. 1-2, 01.05.1986, p. 133-141.

Research output: Contribution to journalArticle

Marriott, S, Topsom, RD, Lebrilla, CB, Koppel, I, Mishima, M & Taft, RW 1986, 'Proton affinities of substituted cyanides', Journal of Molecular Structure: THEOCHEM, vol. 137, no. 1-2, pp. 133-141. https://doi.org/10.1016/0166-1280(86)80092-6
Marriott S, Topsom RD, Lebrilla CB, Koppel I, Mishima M, Taft RW. Proton affinities of substituted cyanides. Journal of Molecular Structure: THEOCHEM. 1986 May 1;137(1-2):133-141. https://doi.org/10.1016/0166-1280(86)80092-6
Marriott, Stephen ; Topsom, Ronald D. ; Lebrilla, Carlito B. ; Koppel, Ilmar ; Mishima, Masaaki ; Taft, Robert W. / Proton affinities of substituted cyanides. In: Journal of Molecular Structure: THEOCHEM. 1986 ; Vol. 137, No. 1-2. pp. 133-141.
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