Acta Crystallographica Section C

Crystal Structure Communications

Volume 58, Part 11 (November 2002)

Acta Cryst. (2002). C58, m542-m544 [doi:10.1107/S0108270102018097]

(Acetonitrile)[2,6-bis(pyrazol-1-yl)pyridine](isonicotinamide)copper(II)-tetrafluoroborate-acetonitrile (1/2/2)

G. Baum, A. J. Blake, D. Fenske, P. Hubberstey, C. Julio and M. A. Withersby

Abstract: Molecules of the title compound, [Cu(C₂H₃N)(C₁₁H₉N₅)(C₆H₆N₂O)](BF₄)₂·2C₂H₃N, comprise (acetonitrile)[2,6-bis(pyrazol-1-yl)pyridine](isonicotinamide)copper(II) cations, tetrafluoroborate anions and lattice acetonitrile molecules. The cations have distorted square-pyramidal geometries in which the N₃-donor, viz. 2,6-bis(pyrazol-1-yl)pyridine, and the N-donor, viz. the isonicotinamide ligand, occupy the four basal positions, with the coordinated acetonitrile N-donor atom occupying the apical position. Pairs of cations are linked by N-HF hydrogen bonds through tetrafluoroborate anions, forming centrosymmetric dimers, which are further linked by C-HO hydrogen bonds into two-dimensional undulating sheets, three of which interpenetrate to generate a two-dimensional network.

Formula: [Cu(C₂H₃N)(C₁₁H₉N₅)(C₆H₆N₂O)](BF₄)₂·2C₂H₃N

Online 22 October 2002


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