Conformation of chiral molecules: The rotational spectrum of 2-chloropropionic acid

被引：3
作者：
Lesarri, Alberto [1 ,2 ]
Grabow, Jens-Uwe [1 ,3 ]
Caminati, Walther [1 ]
机构：
[1] Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy
[2] Univ Valladolid, Fac Ciencias, Dept Quim Fis & Quim Inorgan, E-47005 Valladolid, Spain
[3] Gottfried Wilhelm Leibniz Univ, Inst Phys Chem & Elektrochem, D-30167 Hannover, Germany
来源：
CHEMICAL PHYSICS LETTERS | 2009年 / 468卷 / 1-3期
关键词：
FOURIER-TRANSFORM MICROWAVE; SEEDED SUPERSONIC JETS; CIS-PROPIONIC ACID; INTERNAL-ROTATION; CYCLOPROPANECARBOXYLIC ACID; SUBSTITUTION STRUCTURE; TRIFLUOROACETIC-ACID; ACETIC-ACID; AB-INITIO; SPECTROSCOPY;
D O I：
10.1016/j.cplett.2008.11.053
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Reported here are measurements of the rotational spectra of two isotopologues (Cl-35 and Cl-37) of one of the simplest chiral carboxylic acids, 2-chloropropionic acid. The spectra have been obtained in a supersonic expansion, using free-jet millimeter-wave direct-absorption as well as pulsed-jet FT microwave spectroscopies. A single conformer has been detected, characterized by a methyl group nearly cis with respect to the carbonylic oxygen. Within the realm of chiral recognition, the relative simplicity of the observed spectrum should allow for the detection of the microwave spectrum of the polar homo-dimer. (C) 2008 Elsevier B. V. All rights reserved.
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页码：18 / 22
页数：5
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