Abstract
The title compound, [Cu(C2N3)(C3H10N2)2]ClO4, is made up of [Cu(tn)2{N(CN)2}]+ complex cations (tn is 1,3-diaminopropane) and ClO4- anions. The Cu(II) atom is coordinated by four N atoms of two equatorial tn ligands, with an average distance of 2.041 (7) A, and one nitrile N atom of the dicyanamide anion in an axial position, at a distance of 2.236 (3) A, in a manner approaching square-planar coordination geometry. The complex has C(s) symmetry, with the mirror plane lying through the central C atoms of both tn ligands and the dca ligand. The ClO4- anion might be considered as very weakly coordinated in the opposite axial position [Cu-O = 2.705 (3) A], thus completing the Cu(II) coordination to asymmetric elongated octahedral (4+1+1*). The Cu atom and the perchlorate anion both lie on mirror planes.
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