Dynamic Diastereomerism on Chiral Surfaces.
Dynamic Diastereomerism on Chiral Surfaces.
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DOI:
10.1021/acs.jpcc.2c06351
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发表时间:
2023-01-12
影响因子:
3.7
通讯作者:
Jenkins, Stephen J.
中科院分区:
文献类型:
--
作者:
Matysik, Sabine C.;Wales, David J.;Jenkins, Stephen J.
Adsorption of chiral molecules on chiral surfaces implies diastereomerism, evident in the adoption of distinct adsorption geometries. We show here that this diastereomerism produces a signature in the motion of chiral molecules desorbing from a chiral surface. The rotations of S- and R-alanine molecules are analyzed upon desorption from R-Cu{531} using first-principles molecular dynamics simulations. S-Ala molecules exhibit a larger angular momentum, with a clear preference for one rotational sense, whereas no such preference is observed for R-Ala molecules upon desorption from this surface. These trends would be reversed for desorption from the S-Cu{531} surface. Possible applications include chiral separation techniques and enantiospecific sensors.
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