Showing papers by "University of Wah published in 2007"
TL;DR: A series of organotin(IV) thiocarboxylates have been synthesized with the general formula R2SnL2 and R3SnL (R = Ph2(I), Me3(II), n-Bu3(III), Ph3(IV), Cy3(V), Me2(VI), n -Bu2(VII), and L = piperidine-1-thioccarboxylic acid) in anhydrous toluene under the reflux conditions as discussed by the authors.
Abstract: A series of organotin(IV) thiocarboxylates have been synthesized with the general formula R2SnL2 and R3SnL (R = Ph2(I), Me3(II), n-Bu3(III), Ph3(IV), Cy3(V), Me2(VI), n-Bu2(VII), and L = piperidine-1-thiocarboxylic acid) in anhydrous toluene under the reflux conditions. The complexes were characterized by microanalysis, IR, 1H and 13C NMR, mass spectrometry, and XRD. NMR data revealed that thiocarboxylic acid acts as bidentate, and complexes exhibit the four-coordinated geometry in solution state. In solid state, diorganotin complexes exhibit the hexa-coordinated geometry whereas the triorganotin(IV) compounds show the five-coordinated geometry. These complexes were also tested for their antimicrobial activity along with the ligand against different animals, plant pathogens, and Artemia salina. All complexes with few exceptions show high activity as compared to the ligand. © 2007 Wiley Periodicals, Inc. Heteroatom Chem 18:664–674, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20380
15 citations
TL;DR: The geometry around the Sn atom of the title compound, [Sn(C6H5)2Cl2(C2H6OS)2], is distorted octahedral, with Sn-C and Sn-O distances lying in the ranges 2.139 (4)-2.156 (4) and 2.279 ((2)
Abstract: The geometry around the Sn atom of the title compound, [Sn(C6H5)2Cl2(C2H6OS)2], is distorted octahedral, with Sn—C and Sn—O distances lying in the ranges 2.139 (4)–2.156 (4) and 2.270 (2)–2.279 (2) A, respectively. Molecules are linked by intermolecular C—H⋯O and C—H⋯Cl hydrogen bonds, and by C—H⋯π interactions with distances of 2.8 and 2.75 A.
7 citations
TL;DR: The crystal structure of the title compound, [sn3(CH3)9Cl(NO3)], contains trigonal-bipyramidal Sn atoms with three methyl groups bonded in the equatorial plane and an O atom of the NO3 group and a Cl atom in the axial sites as discussed by the authors.
Abstract: The crystal structure of the title compound, [Sn3(CH3)9Cl(NO3)], contains trigonal–bipyramidal Sn atoms with three methyl groups bonded in the equatorial plane and an O atom of the NO3 group and a Cl atom in the axial sites. The Cl atom, which lies on a threefold axis, is bridged between three Sn atoms, with Sn—Cl distances of 2.9298 (13) A. The N atom of the NO3 group also lies on a threefold axis, with its O atoms bonded to three Sn atoms. Thus, polymeric sheets are formed parallel to the ab plane.
2 citations