Fourier transform infrared spectroscopic conformational analysis of a liquid crystal in elevated temperature mesophases

被引：0
|
作者：
Digiacomo, CS [1 ]
Koenig, JL [1 ]
Neubert, ME [1 ]
机构：
[1] KENT STATE UNIV,INST LIQUID CRYSTAL,KENT,OH 44242
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1996年 / 289卷
关键词：
conformational; conformations; FT-IR; phase transitions;
D O I：
10.1080/10587259608042319
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Conformations of the aromatic ether bonds located on the tetra-substituted benzene ring in 4-[3',4',5',-Tri(p-n-dodecyloxybenzoyloxy) benzoyloxy]4''-p-n-dodecyloxybenzoyloxy-biphenyl were measured throughout the temperature ranges of the nematic and smectic C mesophases using Fourier transform infrared spectroscopy. An abrupt decrease in the angle between the bonds occurred at the transition from the nematic to the smectic C mesophase. The molecule adopted a more compact conformation to pack into the more highly ordered smectic C mesophase.
引用
收藏
页码：149 / 167
页数：19
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