A hydrogen-bonded 3D coordination network in a complex of Cu(II) nitrate with 1,2,4-triazole-5-one and 1,10-phenanthroline
A pentacoordinate Cu(II) complex, [Cu(H2O)(L1)(L2)(NO3)](NO3)(H2O) (1; L1 = 1,2,4-triazole-5-one, L2 = 1,10-phenanthroline) has been synthesized and characterized. An X-ray structure analysis of 1 revealed that the Cu(II) centre has a distorted square pyramidal environment, with a second weakly bonded nitrate (Cu-O 2.550 Å) giving rise to a pseudo-octahedral coordination geometry. Weak interactions such as - stacking and hydrogen-bonding (especially C-H ··· O hydrogen bonds) have significant effects in configuring the 3D packing of the complex.
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Document Type: Research Article
Affiliations: Department of Chemistry, Shaanxi Key Laboratory of Physical Inorganic Chemistry, Northwest University, Xi'an, Shaanxi 710069, P.R. China
Publication date: January 1, 2007