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Halide Ion Embraces in Tris(2,2'-bipyridine)metal Complexes
Journal
Crystals
Volume
10
Pages / Article-Number
671
Keywords
metal complexes; 2,2'-bipyridine; halide; C–H : : : X interactions
Abstract
An analysis of the [M(bpy)3]n+ (bpy = 2,2′-bipyridine) complexes with halide counterions in the Cambridge Structural Database reveals a common structural motif in two thirds of the compounds. This interaction involves the formation of 12 short C–H…X contacts between halide ions lying within sheets of the cations and H-3 and H-3′ of six [M(bpy)3]n+ complex cations. A second motif, also involving 12 short contacts, but with H-6 and H-5, is identified between halide ions lying between sheets of the [M(bpy)3]n+ cations
