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Determination of absolute configuration using optical rotation calculated using density functional theory
P J Stephens1, F J Devlin, J R Cheeseman
1Department of Chemistry, University of Southern California, Los Angeles, California 90089-0482, USA. pstephen@usc.edu
Abstract:
[structure: see text] We report the first determinations of the absolute configurations (ACs) of chiral molecules using discrete frequency, transparent spectral region optical rotations calculated using density functional theory (DFT). The ACs of 2H-naphtho[1,8-bc]thiophene 1-oxide (3), naphtho[1,8-cd]-1,2-dithiole 1-oxide (4), and 9-phenanthryl methyl sulfoxide (5) are determined by comparison of their specific rotations to values calculated via the time-dependent DFT/gauge-invariant atomic orbital (TDDFT/GIAO) methodology using the B3LYP functional and the aug-cc-pVDZ basis set.
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