| Summary: | In the title compound, [Ni(C8H7O3)(NO3)(C12H12N2)2], the asymmetric unit contains a NiII atom, two molecules of 2-(benzylamino)pyridine, a molecule of deprotonated o-vanillin (3-methoxysalicylaldehydate) and a bidentate nitrate anion. The NiII center is six-coordinated by two pyridine N atoms from 2-(benzylamino)pyridine, two O atoms from o-vanillin and two O atoms from the nitrate anion. The crystal packing shows two hydrogen bonds from the amine N—H group to the deprotonated phenol O atom of the o-vanillin moieties, as well as weak C—H...O secondary interactions. These interactions link the molecules into ribbons in the c direction. The steric requirement of the bidentate nitrate and its small bite angle [61.01 (3)°] cause some orientation of the two 2-(benzylamino)pyridine groups. As a result, this coordination environment of the NiII center is distorted octahedral, as the trans angles range from 158.65 (3) to 175.76 (3)° and the cis angles range from 61.01 (3) (for the bidentate nitrate O atoms) to 102.30 (4)°.
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