Chirality-induced switch in hydrogen-bond topology: Tetrameric methyl lactate clusters in the gas phase

被引：72

作者：

Adler, Thomas B. ^{[1
]}

Borho, Nicole ^{[1
]}

Reiher, Markus ^{[1
]}

Suhm, Martin A. ^{[1
]}

机构：

[1] Univ Gottingen, Inst Phys Chem, D-37077 Gottingen, Germany

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2006年 / 45卷 / 21期

关键词：

chirality; hydrogen bonds; molecular recognition; nanostructures; vibrational spectroscopy;

D O I：

10.1002/anie.200600380

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

(Figure Presented) Supersonic jet expansions of racemic methyl lactate show a prominent OH-stretching infrared absorption at 3401 cm-1 which is not present in the enantiopure compound. Experimental results and quantum chemical calculations show that the underlying tetrameric cluster has 2:2 stoichiometry of the R and S isomers and S4 symmetry (see picture; C orange, O red, H gray). © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：3440 / 3445

页数：6

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