Crystal structure of dimethoxy-dithiocyanato-bis[2-(2-pyridyl)-1H-benzimidazole]-[μ-1,1′-(1,4-butanediyl)diimidazole]dicopper(II), Cu2(OCH3)2(NCS)2(C12H9N3)2(C10H14N4) - Zhang Li-Hui (Zeitschrift für Kristallographie - New Crystal Structures, 2010)