In the title complex, [Zn(C(2)N(3))(C(18)H(18)N(4))]ClO(4), the Zn(II) ion has a slightly distorted trigonal-bipyramidal ZnN(5) coordination geometry. The crystal structure is stabilized by weak inter-molecular C-H⋯O and C-H⋯N hydrogen bonds. In addition, there are relatively close contacts between the O atoms of the perchlorate anion and symmetry-related pyridine rings [O⋯Cg = 3.179 (3) and 3.236 (3) Å, where Cg is the centroid of a pyridine ring], and between the terminal N atom of the dicyanamide ligand and pyridine rings [N⋯Cg = 3.381 (4)-3.761 (3) Å]. The central N atom of the dicyanamide ligand is disordered over two sites in an approximately 0.6:0.4 ratio.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2960752 | PMC |
http://dx.doi.org/10.1107/S1600536808004741 | DOI Listing |
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