ANOMALOUS INFRARED CARBONYL STRETCHING REGION OF DEUTERIO-FORMATE ESTERS

被引：14
作者：
DAHLQVIST, MG
EURANTO, EK
机构：
[1] Department of Chemistry and Biochemistry, University of Turku
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 1978年 / 34卷 / 09期
关键词：
D O I：
10.1016/0584-8539(78)80004-X
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The i.r. carbonyl bands of seven deuterioformates (DCOOR:R = CH3, CD3, CH2CH3, CH2Cl, CD2Cl, C(CH3)3 and CH2CCH) have been studied in liquid, solution and solid phases. All of these deuterioformates have two strong absorption bands in the carbonyl stretching region. Evidence is presented that the higher frequency band is an overtone of the DC out-of-plane bending mode in the Fermi resonance with the CO stretching band and the lower frequency band is the true carbonyl band of the Z conformation, in which the carbonyl oxygen atom and the alkyl group are in synperiplanar (cis) position. © 1978.
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收藏
页码：863 / 868
页数：6
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