Solid State Conformation and Crystal Packing of Methyl-Substituted Quaterthiophenes
作者:
E.A. Marseglia,
F. Grepioni,
E. Tedesco,
D. Braga,
期刊:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
(Taylor Available online 2000)
卷期:
Volume 348,
issue 1
页码: 137-151
ISSN:1058-725X
年代: 2000
DOI:10.1080/10587250008024802
出版商: Taylor & Francis Group
关键词: Intermolecular Interactions;Thiophene;Crystal Packing;Conformation;Herringbone;π-π stacking
数据来源: Taylor
摘要:
The solid state structures of a series of methyl substituted neutral quaterthiophenes have been analysed. Structures have been retrieved from the Cambridge Structural Database and investigated in terms of crystal cohesion and intermolecular interactions. In these thiophene oligomers, it can be shown that crystal packing efficiency and optimisation of S—S, C-H—S and C-H—π interactions constitute the driving force for their solid state geometry and configuration. A detailed discussion of their packing arrangement is reported and shown to be based on either a herringbone or π-π stacking of thiophene units.
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