Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 11 (November 2013)


metal-organic compounds



sj5358 scheme

Acta Cryst. (2013). E69, m598-m599    [ doi:10.1107/S1600536813027499 ]

Aqua­(azido)[N-(pyridin-2-ylcarbon­yl)pyridine-2-carboxamido-[kappa]3N,N',N'']copper(II)

S. Bruda, M. M. Turnbull and J. L. Wikaira

Abstract: The title compound, [Cu(C12H8N3O2)(N3)(H2O)], was formed by the air oxidation of 2-(amino­meth­yl)pyridine in 95% ethanol in the presence of copper(II) nitrate and sodium azide with condensation of the resulting picolinamide mol­ecules to generate the imide moiety. The CuII ion has a square-pyramidal coordination sphere, the basal plane being occupied by four N atoms [two pyridine (py) N atoms, the imide N atom and an azide N atom] in a nearly planar array [mean deviation = 0.048 (6) Å] with the CuII ion displaced slightly from the plane [0.167 (5) Å] toward the fifth ligand. The apical position is occupied by a coordinating water mol­ecule [Cu-O = 2.319 (4) Å]. The crystal structure is stabilized by hydrogen-bonding inter­actions between the water mol­ecules and carbonyl O atoms. The inversion-related square-pyramidal complex molecules pack base-to-base with long Cu...Npy contact distances of 3.537 (9) Å, preventing coordination of a sixth ligand.


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