Supramolecular architecture of metal-lustrous inclusion crystals based on aromatic CH-π interaction: versatile inclusion of 1-(p-ethoxyphenyl)-2-(2-thienyl)-5-[5-(tricyanoethenyl)-2-thienyl]pyrrole host with various electron-rich aromatic guest molecules
作者： Rui Zhao , Shoji Matsumoto , Motohiro Akazome , Katsuyuki Ogura
DOI: 10.1016/S0040-4020(02)01355-8
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摘要: Abstract 1-(p-Ethoxyphenyl)-2-(2-thienyl)-5-[5-(tricyanoethenyl)-2-thienyl]pyrrole, a novel π-conjugated organic compound, shows particularly stronger affinities to various electron-rich aromatic guest molecules form 2:1 inclusion complexes with gold- or bronze-like metallic luster. All of the crystallize same so-called herringbone packing motif in which π-system is sandwiched diagonally between host around it. The unique CH–π interactions and essentially ascribe architecture these complexes. sidewise intermolecular π–π contacts (CN⋯CC) deeply affect crystal appearance.
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