(E)-4-Hydroxy-2-[(2-hydroxyphenyl)iminiomethyl]phenolate

被引：5
|
作者：
Eltayeb, Naser Eltaher [2 ]
Teoh, Siang Guan [2 ]
Fun, Hoong-Kun [1 ]
Chantrapromma, Suchada [3 ]
机构：
[1] Univ Sains Malaysia, Sch Phys, Xray Crystallog Unit, Usm 11800, Penang, Malaysia
[2] Univ Sains Malaysia, Sch Chem Sci, Usm 11800, Penang, Malaysia
[3] Prince Songkla Univ, Dept Chem, Fac Sci, Crystal Mat Res Unit, Hat Yai 90112, Songkhla, Thailand
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2010年 / 66卷
关键词：
X-RAY; DIFFRACTION;
D O I：
10.1107/S1600536810020295
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The title compound, C(13)H(11)NO(3), crystallizes in a zwitterionic form and has a trans configuration about the C=N bond. The molecule is almost planar, the dihedral angle between the two benzene rings being 4.32 (8)degrees. The two hydroxy substituents are coplanar with each of their attached benzene rings [r.m.s. deviations of 0.0053 (2) and 0.0052 (2) angstrom]. An intramolecular N-H center dot center dot center dot O hydrogen bond formed between the iminium N and the phenolate O atom generates an S(6) ring motif. In the crystal, the molecules are linked through O-H center dot center dot center dot O hydrogen bonds into chains along [110]. Two neighbouring chains are further connected through O-H center dot center dot center dot O hydrogen bonds in an antiparallel manner. pi-pi interactions are also observed, with centroid-centroid distances of 3.7115 (19) and 3.743 (2) angstrom.
引用
收藏
页码：O1536 / U275
页数：10
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