Far infrared spectra of some crown ether complexes with acetonitrile and nitromethane

被引：10

作者：

Belkin, MA ^{[1
]}

Yarkov, AV ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI,INST PHYSIOL ACT CPDS,CHERNOGOLOVKA 142432,MOSCOW REG,RUSSIA

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 1996年 / 52卷 / 11期

关键词：

crown ethers; far infrared spectra; molecular complexes;

D O I：

10.1016/0584-8539(96)01697-2

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Far infrared spectra of 18-crown-6 (18C6), 15-crown-5 (15C5), benzo15-crown-5 (b15C5), benzo12-crown4 (b12C4) with acetronitrile (CH3CN) and nitromethane (CH3NO2) in carbon tetrachloride solutions have been studied. For 18C6-CH2(3)CN and 18C6-CH3NO2 complexes spectra of superior quality than those reported by McKenna and yring (Appl. Spectrosc, 40 (1986) 16) have been observed. For b15CS-CH3CN and b15CS-CH3NO2 complexes new bands have been observed for the first time. The bands near 120 cm(-1) and 160 cm(-1) were assigned to intermolecular stretching vibration nu(6) in the complexes. This assignment was used for model normal mode analysis of the complexes. No bands in the far-infrared spectra have been observed for the complexes between the crown ethers studied and chloroform, and for the complexes of 15C5 and b12C4 hosts.

引用

页码：1475 / 1478

页数：4

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