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(Dimethyl sulfoxide-?O)bis-(thio-semicarbazide-?N,S)zinc dipicrate dimethyl sulfoxide solvate monohydrate.


ABSTRACT: The title complex, [Zn(CH(5)N(3)S)(2)(C(2)H(6)OS)](C(6)H(2)N(3)O(7))(2)·C(2)H(6)OS·H(2)O, is composed of a [Zn(thio-semi-carbazide)(2)(DMSO)](2+) cation (where DMSO is dimethyl sulfoxide), and two picrate anions. In the asymmetric unit, there is also a solvent mol-ecule of DMSO and a water mol-ecule of crystallization. In the cation, the Zn(II) atom is five-coordinated in a distorted square-pyramidal geometry. It coordinates to the O atom of a DMSO mol-ecule and to the S and one N atom of two thio-semicarbazide mol-ecules, which behave as bidentate ligands coordinating in a trans arrangement. In the crystal, a number of N-H?O, O-H?O and N-H?S hydrogen bonds link the mol-ecules into two-dimensional networks. These networks are further linked via weak C-H?O inter-actions, forming a three-dimensional arrangement. Positional disorder in one methyl group of the coordinated DMSO molecule and in the two picrate anions was observed.

SUBMITTER: Shanthakumari R 

PROVIDER: S-EPMC3051735 | biostudies-literature | 2011 Jan

REPOSITORIES: biostudies-literature

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(Dimethyl sulfoxide-κO)bis-(thio-semicarbazide-κN,S)zinc dipicrate dimethyl sulfoxide solvate monohydrate.

Shanthakumari R R   Hema Ramu R   Ramamurthy K K   Sridar Balasubramnian B   Stoeckli-Evans Helen H  

Acta crystallographica. Section E, Structure reports online 20110108 Pt 2


The title complex, [Zn(CH(5)N(3)S)(2)(C(2)H(6)OS)](C(6)H(2)N(3)O(7))(2)·C(2)H(6)OS·H(2)O, is composed of a [Zn(thio-semi-carbazide)(2)(DMSO)](2+) cation (where DMSO is dimethyl sulfoxide), and two picrate anions. In the asymmetric unit, there is also a solvent mol-ecule of DMSO and a water mol-ecule of crystallization. In the cation, the Zn(II) atom is five-coordinated in a distorted square-pyramidal geometry. It coordinates to the O atom of a DMSO mol-ecule and to the S and one N atom of two th  ...[more]

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