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Intra-molecular enantiomerism in R-(+)-Limonene as evidenced by the differential bond polarizabilities
Hongxia Shen1, Guozhen Wu2, Peijie Wang3
1The College of Biology and Chemical Engineering, Jiaxing University, Jiaxing 314001, China.
Abstract:
We propose an algorithm to obtain the differential bond polarizabilities from the Raman and Raman optical activity (ROA) spectral intensities. The signs of the differential bond polarizabilities of R-Limonene demonstrate that there is intra-molecular enantiomerism in its six membered ring structure. That is, the signs of the differential bond polarizabilities around the six membered ring are inversed under an intra-molecular mirror reflection. This is similar to what happens in the right and left handed chiral isomers under a mirror conversion.
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