Crystal engineering: the effects of π–π interactions in copper(i) and silver(i) complexes of 2,7-diazapyrene

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Alexander J. Blake, Neil R. Champness, Andrei N. Khlobystov, Dmitri A. Lemenovskii, Wan-Sheung Li and Martin Schröder


Abstract

The ligand 2,7-diazapyrene (L) is used to construct three- and two-dimensional arrays with CuI and AgI ions: {[CuIL2]PF6} shows an adamantoid network with three interpenetrating networks, while {[AgIL2(MeCN)2]BF4} forms linear chains of [AgL] units linked by apparent π–π stacking and Ag···Ag interactions between adjacent diazapyrene ligands to form two-dimensional sheets.


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