Figure 4
Structural motifs in the crystal structures of complex 1: (a) Ag2L2 ring and its space-filling model extracted from the (idealized) structure of form A; (b) twisted (AgL)∞ double chains extracted also from form A (dotted lines indicate Ag⋯Ag contacts); (c) Ag2L2 rings and (AgL)∞ double chains co-existing in a disordered fashion in form B. Differently orientated methylene imidazole donors are distinguished by the solid and dotted bonds as well as C atoms in different colours. |