Spectroscopic study of the interaction between TCNQ and cryptand 222 in chloroform solution

被引：0
作者：
Pouretedal, HR
Semnani, A [1 ]
机构：
[1] Univ Shahrekord, Dept Chem, Shahrekord, Iran
[2] Malek E Ashtar Univ Technol, Dept Chem, Shahinshahr, Iran
来源：
IRANIAN JOURNAL OF CHEMISTRY & CHEMICAL ENGINEERING-INTERNATIONAL ENGLISH EDITION | 2005年 / 24卷 / 03期
关键词：
C222; TCNQ; spectrophotometry; molecular complex; chloroform;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The interaction between 4, 7, 13, 16, 21, 24-hexaoxa-1,10-diazabicyclo [8.8.8] hexacosane (C222) and 7,7,8,8-teracyanoquinodimethane (TCNQ) has been studied in chloroform at 25 degrees C. The results indicate a two step mechanism. At the first step, two adducts (assign as P1 and P2) are formed through equilibrium reactions. In continue and through nonequilibrium reactions the adducts are converted to a final product (assign as P3). Based on the comparison of the spectra of C222-TCNQ mixture with that of Na-18C6-TCNQ mixture, the C222(+)TCNQ-, C222(+)TCNQ(-)TCNQ(o) and (C222(+))(2)(TCNQ(-))(2) are suggested as the P1, P2, and P3, respectively. IR specra of C222 and TCNQ are compared with the spectrum of solid 1:1 TCNQ-C222 complex and the effect of complexation on absorption bands are discussed.
引用
收藏
页码：53 / 57
页数：5
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