THE ROLE OF POWDER DIFFRACTION IN ESTABLISHING STRUCTURE-PROPERTY RELATIONSHIPS FOR CRYSTALLINE SOLIDS - A NEW STRUCTURAL ASSIGNMENT OF THE PHOTOREACTIVE AND PHOTOSTABLE PHASES OF P-FORMYL-TRANS-CINNAMIC ACID

被引:9
作者
HARRIS, KDM [1 ]
PATTERSON, ILJ [1 ]
机构
[1] UNIV ST ANDREWS, DEPT CHEM, ST ANDREWS KY16 9ST, FIFE, SCOTLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1994年 / 06期
关键词
D O I
10.1039/p29940001201
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
It has been reported previously that the photoreactive beta phase of p-formyl-trans-cinnamic acid represents an exception to the well-established correlation between structural and photochemical properties of crystalline trans-cinnamic acid derivatives. However, it is shown in this paper that the crystal structure reported previously to be the beta phase of p-formyl-trans-cinnamic acid is actually the photostable gamma phase. In a wider context, the work reported here highlights the necessity of carrying out powder diffraction investigations in the determination of structure-property relationships for crystalline solids.
引用
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页码:1201 / 1203
页数:3
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