vibrational spectra and normal coordinate analyses for TRIMETHYLANTIMONY (cas 594-10-5) dichloride, dibromide and deuterated analogs

Add time:07/16/2019    Source:sciencedirect.com

Infrared and Raman spectra of TRIMETHYLANTIMONY (cas 594-10-5) dichloride, dibromide and their deuterated analogs have been determined between 600 and 33 cm−1. Assignments of the skeletal modes were made on the basis of a D3h model by comparing data obtained on the deuterated and nondeuterated compounds. A generalized valence force potential energy field was used to carry out normal coordinate analyses and to determine potential energy distributions for trimethylantimony dichloride and dibromide. The potential energy function for the nondeuterated compounds was used to calculate frequencies and potential energy distributions for trimethyl-d3-antimony dibromide and dichloride. The results from this investigation were compared with results previously obtained for pentamethylantimony and antimony pentachloride.

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