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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
Author(s) -
Rudert R.,
Schmaucks G.
Publication year - 2000
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/1521-4079(200005)35:5<625::aid-crat625>3.0.co;2-1
Subject(s) - triclinic crystal system , hydrogen bond , molecule , crystallography , stacking , bilayer , chemistry , hydrate , crystal structure , silylation , clathrate hydrate , crystal (programming language) , siloxane , tris , polymer , membrane , organic chemistry , biochemistry , computer science , programming language , catalysis
2 (C 17 H 41 NO 6 SSi 4 ) . H 2 O. 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.