Figure 1
Views of the ions of the title compound, with displacement ellipsoids drawn at the 30% probability level; H atoms have been omitted. (a) [Ni(en)3]2+ (Ni1, internal symmetry 3), (b) [Ni(en)3]2+ (Ni2, internal symmetry 32), (c) [Ni(en)3]2+ (Ni3, internal symmetry 2), (d) [Cu(CN)3]2− (Cu4, internal symmetry 3) and (e) [Cu2(CN)7]5− (Cu5 and Cu6, internal symmetry 3). |