VIBRATIONAL AND DEUTERIUM NMR SPECTROSCOPIC STUDIES OF THE PHASE-TRANSITION IN SOLID CYCLOHEXANONE

被引：23

作者：

HUANG, YN ^{[1
]}

GILSON, DFR ^{[1
]}

BUTLER, IS ^{[1
]}

机构：

[1] MCGILL UNIV,DEPT CHEM,801 SHERBROOKE ST W,MONTREAL H3A 2K6,QUEBEC,CANADA

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1993年 / 97卷 / 09期

关键词：

D O I：

10.1021/j100111a044

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：

Variable-temperature Raman and infrared spectroscopic methods have been used to examine the order-disorder phase transition in cyclohexanone. A factor group analysis predicts that the low-temperature phase has an orthorhombic unit cell with C2v symmetry with two molecules per unit cell. Deuterium NMR line-shape studies show that, on heating, motional narrowing commences well below the phase-transition temperature of 235 K, and isotropic rotation occurs in the high-temperature phase.

引用

页码：1998 / 2001

页数：4

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