INFRARED SPECTRA AND CONFIGURATIONS OF ALKYLUREA DERIVATIVES - NORMAL VIBRATIONS ON N N'-DIMETHYL-AND TETRAMETHYLUREA1

被引：62

作者：

RAO, CNR

CHATURVEDI, GC

GOSAVI, RK

机构：

[1] Department of Chemistry, Indian Institute of Technology, Kanpur

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 1968年 / 28卷 / 04期

关键词：

D O I：

10.1016/0022-2852(68)90184-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

Normal coordinate analyses of N, N′-dimethylurea and tetramethylurea were carried out employing a Urey-Bradley force field. The majority of the bands observed in the infrared spectra of alkylurea derivatives arise from mixed vibrations just as in secondary amides. Dialkylureas show evidence for the presence of rotamers with NH bonds cis and trans with respect to the carbonyl oxygen. The perturbations of the mixed vibration bands of alkylureas in charge-transfer as well as metal complexes are discussed. © 1968.

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页码：526 / +

页数：1

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