Mechanism of Optical Rotation of Amino Acids Using Electronic State Calculation

Because of the chiral nature of the building blocks of living matter, an optical phenomena associated with the chirality constitute an important topic in physical chemistry. The specific optical rotation, which is a parameter for the characterization of the natural optical activity, depends strongly...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-04, Vol.835 (1), p.12020
Main Authors: Katsumoto, Shuichi, Mimura, Manami, Ishii, Tomohiko, Sakane, Genta, Ogasawara, Kazuyoshi
Format: Article
Language:English
Subjects:
Amino acids
Chirality
Electron states
Mathematical analysis
Molecular conformation
Optical activity
Optical properties
Optical rotation
Physical chemistry
Vapor phases
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Summary:Because of the chiral nature of the building blocks of living matter, an optical phenomena associated with the chirality constitute an important topic in physical chemistry. The specific optical rotation, which is a parameter for the characterization of the natural optical activity, depends strongly on the conformation of the molecule. In this study, we investigated the dependence of the optical rotation on a molecular conformation in the gas phase by calculating the electronic states of seven kind of chiral amino acids using the DV-Xα method. As a result, we can confirm the existence of an antibonding orbital on the side chain and the optical rotations are strongly related.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/835/1/012020