Crystal and molecular structure of N-methyl-N-3(sulfonato)propyl-3-[tris(trimethylsiloxanyl)3-silyl]pyrrolinium sulfobetaine hydrate at room temperature and 163 K

被引：0

作者：

Rudert, R ^{[1
]}

Schmaucks, G ^{[1
]}

机构：

[1] Bundesanstalt Mat Forsch & Prufung, D-12203 Berlin, Germany

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2000年 / 35卷 / 05期

关键词：

silicon; siloxane; sulfobetaine; crystal structure; surfactant; polymorph;

D O I：

10.1002/1521-4079(200005)35:5<625::AID-CRAT625>3.0.CO;2-1

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

2 (C17H41NO6SSi4) H2O. M-r = 1017.88, triclinic, space group P 1. The molecules are arranged in bilayers. The molecules in each bilayer are held together by electrostatic forces, i.e., O-N+ contacts, and hydrogen bonds. The asymmetric unit consists of two partly disordered siloxane molecules and one water molecule. The structure of the bilayers is virtually the same at 163 K and room temperature, but the stacking of the bilayers is different. The Si-O-Si bond angles at low temperature are significiantly smaller than at room temperature.

引用

页码：625 / 633

页数：9

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