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Diaquabis[3-(hydroxyimino)butanoato]nickel(II): a triclinic polymorph

By El&amp, Maria L. Malysheva, Turganbay S. Iskenderov, Nikolay M. Dudarenko and Valentina A. Kalibabchuk

Abstract

The title centrosymmetric mononuclear complex, [Ni(C4H6NO3)2(H2O)2], is a polymorph of the previously reported complex [Dudarenko et al. (2010). Acta Cryst. E66, m277–m278]. The NiII atom, lying on an inversion center, is six-coordinated by two carboxylate O atoms and two oxime N atoms from two trans-disposed chelating 3-hydroxyiminobutanoate ligands and two axial water molecules in a distorted octahedral geometry. The hydroxy group forms an intramolecular hydrogen bond with the coordinated carboxylate O atom. The complex molecules are linked in stacks along [010] by a hydrogen bond between the water O atom and the carboxylate O atom of a neighboring molecule. The stacks are further linked by O—H...O hydrogen bonds into a layer parallel to (001)

Topics: Chemistry, QD1-999, Science, Q, DOAJ:Chemistry (General), DOAJ:Chemistry
Publisher: International Union of Crystallography
Year: 2010
DOI identifier: 10.1107/S1600536810006306
OAI identifier: oai:doaj.org/article:3bf27879c7894430a1cf53ebb076819a
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