Abstract
The nickel(II) cation of the title complex, [Ni(C17H25N2OS2)2], is located on a crystallographic inversion centre. It has a square-planar coordination geometry, with a trans configuration of the N,S-chelating ligands, as imposed by the crystal symmetry.
Highlights
The nickel(II) cation of the title complex, [Ni(C17H25N2OS2)2], is located on a crystallographic inversion centre
As part of our ongoing structural studies of S-containing Schiff bases (Howlader et al, 2015; Islam et al, 2011, 2014), we report on the structure of the title complex in which the ligand has a long alkyl chain
The Ni—S and Ni—N bond lengths are 2.1796 (6) and 1.9310 (19) A, respectively, and the S1—Ni1—N1 chelating angle is 85.67 (5). These geometrical parameters are comparable to those found in the related bis-chelated nickel(II) complex with the S-hexyl 3-(4-methylbenzylidene)dithiocarbazate ligand (Howlader et al, 2015)
Summary
Bidentate Schiff bases of S-methyl or S-benzyl dithiocarbazates and their metal complexes have received considerable attention for their possible bioactivities. The Ni—S and Ni—N bond lengths are 2.1796 (6) and 1.9310 (19) A , respectively, and the S1—Ni1—N1 chelating angle is 85.67 (5) These geometrical parameters are comparable to those found in the related bis-chelated nickel(II) complex with the S-hexyl 3-(4-methylbenzylidene)dithiocarbazate ligand (Howlader et al, 2015). The N2—C9 bond length of 1.3343 (16) Ain HL is shortened to 1.285 (3) Ain the title complex, while the N1—N2 bond length of 1.3829 (17) Ain HL is slightly elongated to 1.413 (3) Ain the complex These geometrical parameters agree with those reported for similar nickel complexes when the ligands assume either a trans (Islam et al, 2011, 2014; Zhang et al, 2004) or a cis configuration (Chan et al, 2008; Li et al, 2006). [Ni(C17H25N2OS2)2] 733.73 Triclinic, P1 173 4.55302 (14), 11.5641 (3), 17.5075 (5) 84.1436 (7), 85.6165 (10), 76.4084 (10) 890.00 (5) 1 Mo K 0.82 0.27 Â 0.12 Â 0.07
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