Different intermolecular interactions in azido[2-(diphenylphosphino)benzaldehyde semicarbazonato-kappa P-2,N-1,O]nickel(II)

The title compound, [Ni(C20H17N3OP)(N-3)], is the first complex with a semicarbazide-based ligand having a P atom as one of the donors. The influence of the P atom on the deformation of the coordination geometry of the Ni-II ion is evident but less expressed than in the cases of complexes with analogous seleno-and thiosemicarbazide ligands. The torsion angles involving the two bonds formed by the P atom within the six-membered chelate ring have the largest values [C-P-Ni-N = 24.3 (2)degrees and C-C-P-Ni = -24.2 (4)degrees], suggesting that the P atom considerably influences the conformation of the ring. Two types of N-H center dot center dot center dot N hydrogen bond connect the complex units into chains