Polymorphism in hydrogen bonded frameworks; cyanuric acid-bis(4-pyridyl)ethene adducts

被引：23

作者：

Barnett, SA ^{[1
]}

Blake, AJ ^{[1
]}

Champness, NR ^{[1
]}

机构：

[1] Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England

来源：

CRYSTENGCOMM | 2003年

关键词：

D O I：

10.1039/b303338d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The crystal structures of two polymorphic hydrogen bonded networks formed by cyanuric acid ( CA) and bis(4-pyridyl) ethene (bpe) are described. In both instances two-dimensional sheets are constructed from CA chains that are cross-linked by bpe moieties. Although all the sheets in both compounds adopt essentially equivalent hydrogen bonding connectivity, two different sheet arrangements are observed due to subtle variations in the N-H...O hydrogen bonds between CA molecules. In one polymorph only one type of sheet is observed while in the other both sheet arrangements occur.

引用

页码：134 / 136

页数：3

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