TITLE

Theoretical Conformational Studies of Thiol and Thione Forms of Thioacetic Acid

AUTHOR(S)
Öğretır, Cemil; ÖzkütüK, Müjgan
PUB. DATE
April 2012
SOURCE
Gazi University Journal of Science;2012, Vol. 25 Issue 2, p343
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The theoretical conformational structure analyses were performed using density functional theory for thiol and thione tautomeric forms of thioacetic acid (TAA). At the B3LYP/6-311++G(d,p) level, thiol [CH3(C-O)SH] and thione [CH3(C=S)OH] were found more stable than anti forms and the energy differences between these two forms were computed to be ca. 6.7 kJ mol-1 and ca. 27 kJ mol-1, respectively. Barrier energies for thiol and thione forms of thioacetic acid were calculated by using the density functional theory [DFT(B3LYP)/6-311++G(d,p)] method contributing to more than 90% of the population in gas phase at room temperature and also reported a theoretical study on vibrational spectra of thiol and thione tautomefic forms of thioacetic acid obtained by the density functional theory.
ACCESSION #
79758572

 

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