Faizi Md Serajul Haque, Dege Necmi, Goleva Kateryna
Department of Chemistry, College of Science, Sultan Qaboos University, PO Box 36 Al-Khod 123, Muscat, Sultanate of Oman.
Ondokuz Mayıs University, Arts and Sciences Faculty, Department of Physics, 55139 Samsun, Turkey.
Acta Crystallogr E Crystallogr Commun. 2017 May 5;73(Pt 6):809-812. doi: 10.1107/S2056989017005874. eCollection 2017 Jun 1.
The title dinuclear mercury(II) complex, [HgCl(CHN)], synthesized from the pyridine-derived Schiff base ()-,-diethyl--[(pyridin-2-yl)methyl-idene]benzene-1,4-di-amine (DPMBD), has inversion symmetry. The five-coordinated Hg 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 π-π inter-actions between benzene and pyridine rings [minimum ring-centroid separation = 3.698 (8) Å].
由吡啶衍生的席夫碱（）-，-二乙基- -[（吡啶-2-基）亚甲基]苯-1,4-二胺（DPMBD）合成的双核汞（II）配合物[HgCl(CHN)]具有反演对称性。五配位的汞原子具有扭曲的四方锥立体化学结构，由双齿螯合BPMBD配体的两个氮原子供体和三个氯原子供体组成，两个桥连和一个单齿。BPMBD配体中苯环和吡啶环之间的二面角为7.55 (4)°。在晶体中，双核分子通过弱C-H⋯Cl氢键相连，形成平行于[001]的锯齿状带。结构中还存在苯环和吡啶环之间的π-π相互作用[最小环心间距 = 3.698 (8) Å]。
