PIEZOCHROMISM - PRESSURE-INDUCED ISOMERIZATIONS IN THE TETRACHLOROCUPRATE ANION IN THE SOLID-STATE WITH VARIOUS CATIONS

被引:7
作者
BRAY, KL
DRICKAMER, HG
机构
[1] UNIV ILLINOIS,SCH CHEM SCI,DEPT PHYS,URBANA,IL 61801
[2] UNIV ILLINOIS,MAT RES LAB,URBANA,IL 61801
关键词
D O I
10.1021/j100368a077
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The effects of high pressure on Cs2CuCl4, bis(trimethylbenzylammonium) tetrachlorocuprate, (N-phenylpiperazinium) tetrachlorocuprate, bis(N-benzylpiperazinium) tetrachlorocuprate bis(hydrochloride), and bis(N-methylphenethylammonium) tetrachlorocuprate are reported. Electronic spectroscopy indicates molecular rearrangements in the tetrachlorocuprate ions with increasing pressure. The changes in geometry and nature of the rearrangements are discussed. The general result is that at high pressure there is a considerably smaller range of dihedral angles for the five complexes. The results are considered in the context of stereochemical structural pathways for copper(II) systems. © 1990 American Chemical Society.
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页码:2154 / 2159
页数:6
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