THE PHENOMENON OF CONGLOMERATE CRYSTALLIZATION .31. THE CRYSTALLIZATION BEHAVIOR OF [CIS-CO(EN)2(NO2)BR-2 AND OF [CIS-ALPHA-CO(TRIETHYLENETETRAMINE)(NO2)2](NO3).1/3H2O - COUNTERION EFFECTS ON CRYSTALLIZATION PATHWAY OF RACEMATE SOLUTIONS

被引：15

作者：

BERNAL, I

CETRULLO, J

MYRCZEK, J

机构：

[1] Chemistry Department, University of Houston, Houston

来源：

MATERIALS CHEMISTRY AND PHYSICS | 1993年 / 35卷 / 3-4期

关键词：

D O I：

10.1016/0254-0584(93)90145-C

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In accordance with predictions made in previous studies of conglomerate crystallization of coordination compounds, racemic solutions of [cis-Co(en)2(NO2)2]Br crystallize as a conglomerate (homochiral crystals, space group P2(1)), whereas racemic solutions of [cis-a-Co(triethylenetetramine)(NO2)2](NO3). 1/3 H2O crystallize as a racemate (heterochiral crystals, space group P2(1)/c). Intra- and intermolecular hydrogen-bonded interactions are shown to control the crystallization pathway these substances select, and the counter anion used is shown to play a role in such selection.

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页码：290 / 300

页数：11

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