Crystal structure of bis­[N-(2-hy­droxy­eth­yl)-N-methyl­dithio­carbamato-κ2S,S′](pyridine)­zinc(II) pyridine monosolvate and its N-ethyl analogue

Acta Crystallographica Section E: Crystallographic Communications

Tiekink, E.R.T.¹  Poplaukhin, P.² 

[1] Centre for Crystalline Materials, Faculty of Science and Technology, Sunway University, 47500 Bandar Sunway, Selangor Darul Ehsan, Malaysia;Chemical Abstracts Service, 2540 Olentangy River Rd, Columbus, Ohio 43202, USA

关键词: CRYSTAL STRUCTURE;    ZINC;    DITHIOCARBAMATE;    PYRIDINE ADDUCT;    HYDROGEN BONDING;   

DOI  :  10.1107/S2056989017010568

学科分类：数学（综合）

来源: International Union of Crystallography

【 摘 要 】

The common structural feature of the title compounds, [Zn(C4H8NOS2)2(C5H5N)]·C5H5N (I) and [Zn(C5H10NOS2)2(C5H5N)]·C5H5N (II), which differ by having di­thio­carbamate N-bound methyl (I) and ethyl (II) groups, is the coordination of each ZnII atom by two non-symmetrically chelating di­thio­carbamate ligands and by a pyridine ligand; in each case, the non-coordinating pyridine mol­ecule is connected to the Zn-containing mol­ecule via a (hy­droxy)O—H⋯N(pyridine) hydrogen bond. The resulting NS4 coordination geometry is closer to a square-pyramid than a trigonal bipyramid in the case of (I), but almost inter­mediate between the two extremes in (II). The mol­ecular packing features (hy­droxy)O—H⋯O(hy­droxy) hydrogen bonds, leading to supra­molecular chains with a zigzag arrangement along [10-1] (I) or a helical arrangement along [010] (II). In (I), π–π [inter-centroid distances = 3.4738 (10) and 3.4848 (10) Å] between coordinating and non-coordinating pyridine mol­ecules lead to stacks comprising alternating rings along the a axis. In (II), weaker π–π contacts occur between centrosymmetrically related pairs of coordinating pyridine mol­ecules [inter-centroid separation = 3.9815 (14) Å]. Further inter­actions, including C—H⋯π(chelate) inter­actions in (I), lead to a three-dimensional architecture in each case.

【 授权许可】

CC BY