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Bis[μ-3-(pyridin-2-yl)pyrazolato]bis-[acetato-(3,5-dimethyl-1H-pyrazole)-nickel(II)].

ABSTRACT: The title compound, [Ni2(C8H6N3)2(C2H3O2)2(C5H8N2)2] or [Ni(μ-OOCCH3)(2-PyPz)(Me2PzH)]2 (1) [2-PyPz = 3-(pyridin-2-yl) pyrazole; Me2PzH = 3,5-dimethyl pyrazole] was synthesized from Ni(OOCCH3)2·4H2O, 2-PyPzH, Me2PzH and tri-ethyl-amine as a base. Compound 1 {[Ni2(C30H34N10Ni2O4)]} at 100 K has monoclinic (P21/n) symmetry and the mol-ecules have crystallographic inversion symmetry. Mol-ecules of 1 comprise an almost planar dinuclear NiII core with an N4O2 coordination environment. The equatorial plane consists of N3,O coordination derived from one of the bidentate acetate O atoms and three of the N atoms of the chelating 2-PyPz ligand while the axial positions are occupied by neutral Me2PzH and the second O atom of the acetate unit. The Ni atoms are bridged by the nitro-gen atom of a deprotonated 2-PyPz ligand. Compound 1 exhibits various inter- and intra-molecular C-H⋯O and N-H⋯O hydrogen bonds.

SUBMITTER: Pilavadi T 

PROVIDER: S-EPMC11375596 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature

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Bis[μ-3-(pyridin-2-yl)pyrazolato]bis-[acetato-(3,5-dimethyl-1<i>H</i>-pyrazole)-nickel(II)].

Pilavadi Thangamuniyandi T   Krishnan Soundararajan S   Loganathan Nagarajan N  

IUCrData 20240830 Pt 8

The title compound, [Ni<sub>2</sub>(C<sub>8</sub>H<sub>6</sub>N<sub>3</sub>)<sub>2</sub>(C<sub>2</sub>H<sub>3</sub>O<sub>2</sub>)<sub>2</sub>(C<sub>5</sub>H<sub>8</sub>N<sub>2</sub>)<sub>2</sub>] or [Ni(<i>μ</i>-OOCCH<sub>3</sub>)(2-PyPz)(Me<sub>2</sub>PzH)]<sub>2</sub> (<b>1</b>) [2-PyPz = 3-(pyridin-2-yl) pyrazole; Me<sub>2</sub>PzH = 3,5-dimethyl pyrazole] was synthesized from Ni(OOCCH<sub>3</sub>)<sub>2</sub>·4H<sub>2</sub>O, 2-PyPzH, Me<sub>2</sub>PzH and tri-ethyl-amine as a base. Compound  ...[more]

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