Crystal structure of bis­(3-bromo­pyridine-κN)bis­(O-ethyl di­thio­carbonato-κ2S,S′)nickel(II)

Acta Crystallographica Section E: Crystallographic Communications

Kour, G.¹  Neerupama¹  Anthal, S.³  Kant, R.³  Sachar, R.³ 

[1] Electronics, University of Jammu, Jammu Tawi 180 006, India;Post-Graduate Department of Chemistry, University of Jammu, Jammu Tawi 180 006, India;Post-Graduate Department of Physics &

关键词: CRYSTAL STRUCTURE;    NICKEL COMPLEX;    XANTHATE LIGANDS;    [PI]-[PI] INTERACTIONS;    CRYSTAL STRUCTURE;   

DOI  :  10.1107/S2056989014027339

学科分类：数学（综合）

来源: International Union of Crystallography

【 摘 要 】

In the title mol­ecular complex, [Ni(C3H5OS2)2(C5H4BrN)2], the Ni2+ cation is located on a centre of inversion and has a distorted octa­hedral N2S4 environment defined by two chelating xanthate ligands and two monodentate pyridine ligands. The C—S bond lengths of the thio­carboxyl­ate group are indicative of a delocalized bond and the O—Csp2 bond is considerably shorter than the O—Csp3 bond, consistent with a significant contribution of one resonance form of the xanthate anion that features a formal C=O+ unit and a negative charge on each of the S atoms. The packing of the mol­ecules is stabilized by C—H⋯S and C—H⋯π inter­actions. In addition, π–π inter­actions between the pyridine rings [centroid-to-centroid distance = 3.797 (3) Å] are also present. In the crystal structure, mol­ecules are arranged in rows along [100], forming layers parallel to (010) and (001).

【 授权许可】

CC BY