Crystal morphology and their lattice contraction control for the topochemical reaction of bis(phenylethenyl)-dicyanopyrazines

被引：5
|
作者：
Kim, Jae Hong
Choi, Young Chul
Kim, Bong Shik
Choi, Dong Hoon
Kim, Sung Hoon
机构：
[1] Yeungnam Univ, Sch Chem Engn & Technol, Kyongsan 712749, Gyeongbuk, South Korea
[2] Korea Univ, Dept Chem, Seoul 136701, South Korea
[3] Kyungpook Natl Univ, Dept Text Syst Engn, Taegu 702701, South Korea
来源：
DYES AND PIGMENTS | 2008年 / 76卷 / 02期
关键词：
topochemical photoreaction; crystal morphology; lattice contraction; intermolecular interaction;
D O I：
10.1016/j.dyepig.2006.09.009
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Topochemical photoreaction of bis(phenylethenyl)-dicyanopyrazines (1) was conducted in solution, in the vapor deposited thin film, and in the single crystals. Compound 1 showed the crystal morphology to give the yellow and orange colored crystals. The difference in crystal structures of yellow and orange crystals was confirmed with X-ray crystal analysis which revealed that the orange one was contracted in the crystallographic c-axis by 0.11 angstrom than that of the yellow one at the same temperature. The physical property and photoreactivity of two crystals were explained with the topochemical control and lattice contraction. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：422 / 428
页数：7
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