The α2-polymorph of salicylideneaniline

被引：47
作者：
Arod, F [1 ]
Gardon, M
Pattison, P
Chapuis, G
机构：
[1] Ecole Polytech Fed Lausanne, Lab Cristallog, CH-1015 Lausanne, Switzerland
[2] European Synchrotron Radiat Facil, Swiss Norwegian Beam Lines, F-38043 Grenoble, France
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2005年 / 61卷
关键词：
D O I：
10.1107/S010827010500911X
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
N-Salicylideneaniline (SA), C13H11NO, belongs to the large family of aromatic Schiff bases. It is of particular importance owing to its reversible photoreactivity. SA forms two photochromic polymorphs, both with two non-coplanar benzene rings. In addition, we have recently discovered a planar polymorph, named the beta-polymorph, which will be discussed in a subsequent paper. We report here the structure of the alpha(2)-polymorph in the orthorhombic crystal system. This compound exhibits a strong intramolecular O-H center dot center dot center dot N hydrogen bond and the dihedral angle between the two rings varies with temperature.
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收藏
页码：O317 / O320
页数：4
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