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Exciton Chirality Method in Vibrational Circular Dichroism

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journal contribution
posted on 29.02.2012, 00:00 by Tohru Taniguchi, Kenji Monde
The interaction of two IR chromophores yields a strong vibrational circular dichroism couplet whose sign reflects the absolute configuration of the molecule. We present a method to determine absolute configuration of a chiral molecule based on this couplet without need of theoretical calculation. Not only can this method analyze various molecules whose absolute configuration is difficult to determine by other spectroscopic methods, but also it can significantly enhance VCD signals.

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