PMID: 7082657Apr 13, 1982Paper

Infrared and Raman spectra of S-methyl thioacetate: toward an understanding of the biochemical reactivity of esters of coenzyme A

Biochemistry
A M El-AasarL L Ingraham

Abstract

The infrared and Raman spectra of S-methyl thioacetate and CD3C(O)SCH3 have been determined. These spectra and those in the literature ofr S-ethyl thioacetate have been assigned. These data together with literature assignments for thioformic acid, thioacetic acid, and S-methyl thioformate were used in normal coordinate calculations. The stretching force constant for the carbonyl group of thioesters and thio acids is found to be very similar to that for the carboxyl group of ketones. In addition, the value of the stretching force constant for the C(O)-S bond in thioesters and thio acids indicates that this entity has no double-bond character. The carbonly group of acetyl coenzyme A is essentially the same as that of a ketone.

Citations

Jul 5, 2011·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Xiaopeng XuanNa Wang
Nov 5, 2014·The Journal of Physical Chemistry. a·Lucas S Rodríguez PiraniCarlos O Della Védova
Jun 12, 2008·The Journal of Physical Chemistry. a·Mariana GeronésCarlos O Della Védova
Jun 13, 2008·The Journal of Physical Chemistry. a·S E UlicH Oberhammer
Jul 30, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Shishan ZhangT Randall Lee

Related Concepts

Methyl thioacetate
Acetic Acids
Infrared Spectrophotometry
Raman Optical Activity Spectroscopy

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