Acta Cryst. (2012). E68, m1390-m1391
[ doi:10.1107/S1600536812043036 ]

cis-(2,2'-Bipyridine-²N,N')bis(isonicotinamide-N¹)palladium(II) bis(hexafluoridophosphate)

R. A. Adrian, B. Quintela, D. R. Powell, S. W. Ng and E. R. T. Tiekink

Abstract: In the title salt, [Pd(C₁₀H₈N₂)(C₆H₆NO)₂](PF₆)₂, the Pd^II atom is in a slightly distorted square-planar coordination environment by N atoms derived from two 4-pyridinecarboxamide ligands, in a cis disposition, and a chelating 2,2'-bipyridine molecule. The monodentate ligands are nearly orthogonal to each other [dihedral angle = 85.7 (5)°] and to the PdN₄ plane [dihedral angles = 79.3 (3) and 78.7 (3)°]. The amide O atoms lie to opposite sides of the PdN₄ plane. The most notable feature of the crystal packing is a linear supramolecular chain orientated approximately along [310] and formed via 16-membered {HNCO}₄ motifs. These are connected into a three-dimensional network by amide-HO, F interactions. Both PF₆^- anions are disordered over two positions of equal occupancy in respect of the F atoms.

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