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Rotational Spectrum of Vinylarsine

✍ Scribed by Pascal Dréan; Denis Petitprez; Jean Demaison; Juan Carlos López; José Luis Alonso; Jean-Claude Guillemin; James E. Boggs

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
235 KB
Volume
190
Category
Article
ISSN
0022-2852

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✦ Synopsis

The rotational spectrum of vinylarsine in the ground state has been studied in the range 7-320 GHz. The spectra of a syn conformer and a gauche conformer have been unambiguously assigned on the basis of the existence of a b-type or a c-type spectrum. Rotational constants, quartic, and some sextic centrifugal distortion constants were derived. For the syn form, measurements of low J aR0,1 transitions in a pulsed-nozzle Fourier transform microwave spectrometer (FTMWS) enabled the determination of the diagonal elements of the quadrupole tensor, as well as two spin-rotation constants. Ab initio calculations performed at the MP2 level using the 6-311++G(3df, 3pd) basis set reproduced experimental rotational constants within 0.2%. Copyright 1998 Academic Press.

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