title: Synthesis and characterization of Ni(II) and Zn(II) complexes of (furan-2-yl)methyl(2-(thiophen-2-yl)ethyl)dithiocarbamate (ftpedtc): X-ray structures of [Zn(ftpedtc)2(py)] and [Zn(ftpedtc)Cl(1,10-phen)].
abstract: Seven complexes of a new dithiocarbamate ligand (ftpedtc = (furan-2-yl)methyl(2-(thiophen-2-yl)ethyl)dithiocarbamate) namely [Ni(ftpedtc)2] (1), [Ni(ftpedtc)(NCS)(PPh3)] (2), [Ni(ftpedtc)(PPh3)2]ClO4 (3), [Zn(ftpedtc)2] (4), [Zn(ftpedtc)2(py)] (5), [Zn(ftpedtc)2(1,10-phen)] (6) and [Zn(ftpedtc)2(2,2'-bipy] (7) have been prepared. The complexes were characterized by IR, UV-Vis and NMR ((1)H and (13)C) spectroscopy. Single crystal X-ray structural analysis was carried out for complexes 5 and [Zn(ftpedtc)Cl(1,10-phen)] (8). Electronic spectral studies suggest square planar geometry for nickel complexes. The (13)C NMR peaks of the group N(13)CS2 are found in all the cases, at around 205.0 ppm, which indicates the bidentate character of the dithiocarbamate ligand. X-ray structures of 5 and 8 show bidentate coordination by dithiocarbamate ligands and a distorted trigonal bipyramidal geometry for zinc, defined by NS4 and ClN2S2 donor sets, respectively. The packing in 8 involves π-π stacking interactions involving the 1,10-phenanthroline ring systems with the distance between ring centroids being 3.587 Å.
authors.affiliation: Department of Chemistry, Annamalai University, Annamalainagar 608 002, India.
authors.forename: Palanisamy
authors.initials: P
authors.lastname: Jamuna Rani
authors.affiliation: Department of Chemistry, Annamalai University, Annamalainagar 608 002, India. Electronic address: sthirumaran@yahoo.com.
authors.forename: Subbiah
authors.initials: S
authors.lastname: Thirumaran
authors.affiliation: Centro di Cristallografia Strutturale, Polo Scientifio di Sesto Fiorentino, Via della Lastruccia N° 3, 50019 Sesto Fiorentino, Firenze, Italy.
authors.forename: Samuele
authors.initials: S
authors.lastname: Ciattini
mesh_terms: D056831:Coordination Complexes / Q000737:chemistry*; D018360:Crystallography, X-Ray; D008024:Ligands; D009682:Magnetic Resonance Spectroscopy; D008958:Models, Molecular; D009532:Nickel / Q000737:chemistry*; D010618:Phenanthrolines / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D013859:Thiocarbamates / Q000737:chemistry*; D013876:Thiophenes / Q000737:chemistry*; D015032:Zinc / Q000737:chemistry*
chemical_list: D056831:Coordination Complexes; D008024:Ligands; D010618:Phenanthrolines; D013859:Thiocarbamates; D013876:Thiophenes; D009532:Nickel; D015032:Zinc; C025205:1,10-phenanthroline
keywords: Dithiocarbamate; Nickel(II); Spectral characterization; X-ray structure; Zinc(II)