THERMOCHEMISTRY OF HETEROATOMIC COMPOUNDS, XX. THEORETICAL CALCULATIONS OF THE VAPORIZATION ENTHALPIES OF ALKYLARSINES, STIBINES, AND BISMUTHINES
The vaporization enthalpies (ΔHvap) of 26 primary, secondary, and tertiary alkylarsines, stibines, and bismuthines were calculated using the Trouton and Wadso equations and the first-order topological solvation index,1S. The contributions to vaporization enthalpy for─AsH2(16.6±0.2), > AsH (16.7±0.1) groups and As(III)-atom in R3As (13.7±1.0),─SbH2(22.0±[2.0]), > SbH (19.0±[2.0]) groups and Sb(III)-atom in R3Sb (12.7±3.5),─BiH2(26.3±[2.2]), > BiH (24.3±[2.2]) groups and Bi(III)-atom in R3Bi (16.2±3.1 kJ mol−1) were calculated.
Keywords: Arsines; bismuthines; molar refraction; stibines; topological solvation index; vaporization enthalpy
Document Type: Research Article
Affiliations: Kazan State Academy of Construction and Architecture, Kazan, Russia
Publication date: 01 November 2004
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