Affiliation:
1. Institut für Physikalische Chemie der Universität Frankfurt a. Main
Abstract
The microwave spectra of SiFBr3 and CH3SiBr have been investigated in the region from 30 to 40 GHz. Assuming reasonable values for dSi-F, dSi-C and the methyl group a least squares analysis of the rotational constants yields
dSi-Br ≮Br—Si—Br
SiFBr3 (2,171 ± 0,001) A (111,36 ± 0,15)°,
CH3SiBr3 (2,175±0,001) A (111,09±0,15)°.
A barrier to internal rotation of about 1 kcal/mole is estimated by the intensity method.
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics
Cited by
10 articles.
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