L. Guohua
2011
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Journal
Journal of Shanghai Normal University
Abstract
The crystal structure of N′-[(4,6-dimethoxy)-pyrimidin-2-yl]-N-[2-(2,4-dichlorophenoxypropionyl)]thiourea has been reported.The direct evidence of the solid-state conformation and the structural details of unique 2D supramolecular architecture have been obtained.The relatively strong intramolecular hydrogen bonding lock three main parts of thiourea in a nearly planar arrangement.Different types of weak intermolecular hydrogen bonds of C-H—S and of C-H—O interact each other to form different dimeric units.These dimeric units,together with the intermolecular dipole-dipole interactions,promote molecules to pack into infinite,different 1D sheet structures.The π-π stacking interactions and the inter-aggregate Cl/Cl close connections result in fabricating higher-order 2D crossbedded self-adhesive architecture.