Conformational Analysis of Tris(3-methylphenyl)phosphine and Its Chalcogenides


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Abstract

Conformational analysis of tris(3-methylphenyl)phosphine and its chalcogenides has been performed by methods of dipole moments, IR spectroscopy, and quantum chemistry [DFT B3PW91/6-31G(df,p)]. In solution, these compounds exist as an equilibrium of conformers with gauche- and cis-arrangement of the substituents at the phosphorus atom relative to the P=X bond (X = lone electron pair, O, S, Se).

About the authors

R. R. Ismagilova

Kazan (Volga Region) Federal University

Email: yavereshchagina@gmail.com
Russian Federation, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008

A. A. Kuznetsova

Kazan (Volga Region) Federal University

Email: yavereshchagina@gmail.com
Russian Federation, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008

D. V. Chachkov

Kazan (Volga Region) Federal University; Kazan Branch, Interdepartmental Supercomputer Center, Russian Academy of Sciences, Federal Science Center “Research Institute of Systemic Studies,”

Email: yavereshchagina@gmail.com
Russian Federation, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008; Kazan, Tatarstan

S. F. Malysheva

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: yavereshchagina@gmail.com
Russian Federation, Irkutsk

N. A. Belogorlova

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: yavereshchagina@gmail.com
Russian Federation, Irkutsk

Ya. A. Vereshchagina

Kazan (Volga Region) Federal University

Author for correspondence.
Email: yavereshchagina@gmail.com
Russian Federation, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008

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