PHASE-TRANSITIONS INVOLVING REORDERING OF THE GUEST MOLECULES IN A SOLID ORGANIC INCLUSION COMPOUND - HEPTANOIC ANHYDRIDE-UREA

被引:9
作者
SHANNON, IJ
HARRIS, KDM
GUILLAUME, F
BOCANEGRA, EH
MACLEAN, EJ
机构
[1] UNIV BORDEAUX 1, SPECT MOLEC & CRISTALLINE LAB, CNRS, URA 124, F-33405 TALENCE, FRANCE
[2] UNIV BASQUE COUNTRY, FAC CIENCIAS, DEPT FIS APLICADA 2, E-48080 BILBAO, SPAIN
关键词
D O I
10.1039/C39950002341
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Phase transitions below ambient temperature in the heptanoic anhydride-urea inclusion compound have been investigated using X-ray diffraction and differential scanning calorimetry; one of these phase transitions (at ca. 179 K on cooling)is associated with a change in the mode-of three-dimensional ordering of the heptanoic anhydride guest molecules with no detectable change in the host (urea):structure, and represents the first reported example of this type of phase transition for urea inclusion compounds.
引用
收藏
页码:2341 / 2342
页数:2
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