Chirality–Helicity Equivalence in the S and R Stereoisomers: A Theoretical Insight
- Tianlv XuTianlv XuKey Laboratory of Chemical Biology and Traditional Chinese Medicine Research and Key Laboratory of Resource, National and Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, ChinaMore by Tianlv Xu,
- Jia Hui LiJia Hui LiKey Laboratory of Chemical Biology and Traditional Chinese Medicine Research and Key Laboratory of Resource, National and Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, ChinaMore by Jia Hui Li,
- Roya MomenRoya MomenKey Laboratory of Chemical Biology and Traditional Chinese Medicine Research and Key Laboratory of Resource, National and Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, ChinaMore by Roya Momen,
- Wei Jie HuangWei Jie HuangKey Laboratory of Chemical Biology and Traditional Chinese Medicine Research and Key Laboratory of Resource, National and Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, ChinaMore by Wei Jie Huang,
- Steven Robert Kirk*Steven Robert Kirk*[email protected]Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research and Key Laboratory of Resource, National and Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, ChinaMore by Steven Robert Kirk,
- Yasuteru ShigetaYasuteru ShigetaCenter for Computational Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, JapanMore by Yasuteru Shigeta, and
- Samantha Jenkins*Samantha Jenkins*[email protected]Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research and Key Laboratory of Resource, National and Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, ChinaMore by Samantha Jenkins
Abstract

We located the unknown chirality–helicity equivalence in molecules with a chiral center, and as a consequence, the degeneracy of the S and R stereoisomers of lactic acid was lifted. An agreement was found with the naming schemes of S and R stereoisomers from optical experiments. This was made possible by the construction of the stress tensor trajectories in a non-Cartesian space defined by the variation of the position of the torsional bond critical point upon a structural change, along the torsion angle, θ, involving a chiral carbon atom. This was undertaken by applying a torsion θ, −180.0° ≤ θ ≤ +180.0° corresponding to clockwise and counterclockwise directions. We explain why scalar measures can at best only partially lift the degeneracy of the S and R stereoisomers, as opposed to vector-based measures that can fully lift the degeneracy. We explained the consequences for stereochemistry in terms of the ability to determine the chirality of industrially relevant reaction products.
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This article is cited by 12 publications.
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