Abstract
The formation and crystal structure of a zigzag network held together by I⋯N halogen bonds is reported. In particular, the halogen-bond donor is 1,3-di-iodo-perchloro-benzene (C6I2Cl4 ) while the acceptor is the photoproduct rtct-tetra-kis-(pyridin-4-yl)cyclo-butane (TPCB). Curiously, within the resulting co-crystal (C6I2Cl4 )·(TPCB), the photoproduct accepts only two halogen bonds between neighbouring 4-pyridyl rings and as a result behaves as a bent two-connected node rather than the expected four-connected centre. In addition, the photoproduct, TPCB, is also found to engage in C-H⋯N hydrogen bonds, forming an extended zigzag chain.
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Schedule a callMore From: Acta crystallographica. Section E, Crystallographic communications
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