Rotational isomerism of vinylmethyltelluride

Journal Article · Mon Aug 10 00:00:00 EDT 1987 · Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States)

DOI:https://doi.org/10.1007/BF00959366· OSTI ID:5889332

Keiko, V V; Sinegovskaya, L M; Gusarova, N K; Tatarinova, A A; Kalinina, N A; Trofimov, B A

In the IR spectrum of solutions of vinylmethyltelluride in n-heptane the doublet form of the valence oscillation band of the double bond is due to rotational isomerism. By analyzing the temperature dependence of the doublet shape, the low-frequency component of the doublet was identified as the s-cis-rotamer. The differences in the enthalpies (4.6 +/- 0.2 kJ/mole) and entropies (-11.1 +/- 0.3 e.u.) of the vinylmethyltelluride rotamers have been calculated and it has been shown that the p,..pi..-conjugation in its molecule is weaker by a factor of 2 than in vinylmethylsulfide.

• Research Organization: Irkutsk Institute of Organic Chemistry, USSR
• OSTI ID: 5889332
• Journal Information: Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States), Vol. 36:2; Other Information: Translated from Izestiya Akademii Nauk SSSR, Seriya Khimicheskaya; 36: No. 2, 331-335(Feb 1987)
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
TELLURIUM COMPLEXES
ISOMERIZATION
STEREOCHEMISTRY
CONFIGURATION INTERACTION
CONFORMATIONAL CHANGES
ELECTRON CORRELATION
ELECTRON DIFFRACTION
ELECTRONIC STRUCTURE
ENERGY LEVELS
ENTHALPY
ENTROPY
INFRARED SPECTRA
ISOMERS
MOLECULAR STRUCTURE
ORGANOMETALLIC COMPOUNDS
TEMPERATURE DEPENDENCE
VALENCE
VIBRATIONAL STATES
CHEMICAL REACTIONS
COHERENT SCATTERING
COMPLEXES
CORRELATIONS
DIFFRACTION
EXCITED STATES
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
SCATTERING
SPECTRA
THERMODYNAMIC PROPERTIES
400201* - Chemical & Physicochemical Properties