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Crystal structure of di-?-chlorido-bis-(chlorido-{N1,N1-diethyl-N4-[(pyridin-2-yl-?N)methyl-idene]benzene-1,4-di-amine-?N4}mercury(II)).

ABSTRACT: The title dinuclear mercury(II) complex, [Hg2Cl4(C16H19N3)2], synthesized from the pyridine-derived Schiff base (E)-N1,N1-diethyl-N4-[(pyridin-2-yl)methyl-idene]benzene-1,4-di-amine (DPMBD), has inversion symmetry. The five-coordinated HgII atoms have distorted square-pyramidal stereochemistry comprising two N-atom donors from bidentate chelate BPMBD ligands and three Cl-atom donors, two bridging and one monodentate. The dihedral angle between the benzene and the pyridine rings in the BPMBD ligand is 7.55?(4)°. In the crystal, the dinuclear mol-ecules are linked by weak C-H?Cl hydrogen bonds, forming zigzag ribbons lying parallel to [001]. Also present in the structure are ?-? inter-actions between benzene and pyridine rings [minimum ring-centroid separation = 3.698?(8)?Å].

SUBMITTER: Faizi MSH 

PROVIDER: S-EPMC5458297 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Crystal structure of di-μ-chlorido-bis-(chlorido-{<i>N</i><sup>1</sup>,<i>N</i><sup>1</sup>-diethyl-<i>N</i><sup>4</sup>-[(pyridin-2-yl-κ<i>N</i>)methyl-idene]benzene-1,4-di-amine-κ<i>N</i><sup>4</sup>}mercury(II)).

Faizi Md Serajul Haque MSH   Dege Necmi N   Goleva Kateryna K  

Acta crystallographica. Section E, Crystallographic communications 20170505 Pt 6

The title dinuclear mercury(II) complex, [Hg<sub>2</sub>Cl<sub>4</sub>(C<sub>16</sub>H<sub>19</sub>N<sub>3</sub>)<sub>2</sub>], synthesized from the pyridine-derived Schiff base (<i>E</i>)-<i>N</i><sup>1</sup>,<i>N</i><sup>1</sup>-diethyl-<i>N</i><sup>4</sup>-[(pyridin-2-yl)methyl-idene]benzene-1,4-di-amine (DPMBD), has inversion symmetry. The five-coordinated Hg<sup>II</sup> atoms have distorted square-pyramidal stereochemistry comprising two N-atom donors from bidentate chelate BPMBD ligands a  ...[more]

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