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Title: Synthesis, structure and thermal stability of metal complexes with N,N-dibenzyl dithiocarbamate
Authors: Fan, J.
Yin, X.
Zhang, W.-G.
Zhang, Q.-J.
Lai, C.-S. 
Tiekink, E.R.T. 
Fan, Y.
Huang, M.-Y.
Keywords: Complex
Crystal structure
Thermal stability
Issue Date: 2004
Citation: Fan, J.,Yin, X.,Zhang, W.-G.,Zhang, Q.-J.,Lai, C.-S.,Tiekink, E.R.T.,Fan, Y.,Huang, M.-Y. (2004). Synthesis, structure and thermal stability of metal complexes with N,N-dibenzyl dithiocarbamate. Acta Chimica Sinica 62 (17) : 1626-1634. ScholarBank@NUS Repository.
Abstract: Four metal complexes, which were shown as [Cd(DBTC)2] 2 (1). [Hg(DBTC)2] (2), [Nd(DBTC)3· 2H2O] and [Nd(DBTC)3(HMPA)2] (3) (where DBTC= N,N-dibenzyl dithiocarbamate, HMPA = hexamethylphosphoramide), were synthesized and characterized by IR spectra. The structures of complexes 1-3 were determined by X-ray crystallography analysis. Crystal data of compound 1: C 30H28N2CdS4, Mr = 657.18, monoclinic, space group P21/n, a = 1.11098(4) nm, b = 1.56325(5) nm, c = 1.66695(5) nm, β = 97.9220(10)°, Z = 4, R = 0.044, wR1 = 0.091. Crystal data of compound 2: C30H28N 2HgS4, Mr = 745.37, orthorhombic, space group Pbcn, a = 1.64738(1) nm, b = 1.86418(14) nm, c = 0.94000(6) nm, Z = 4, R = 0.0387, wR1 = 0.0965. Crystal data of compounds: C57H 78N9NdO2P2S6, M r = 1319.82, monoclinic, space group P21/c, a = 1.30389(9) nm, b = 3.4708(3) nm, c = 3.1210(2) nm, β = 96.527(2)°, Z = 8, R = 0.1023, wR1 = 0.2203. Compound 1 is a dimer, and the Cd(II) ion has an approximate tetragonal pyramidal geometry. Compounds 2 and 3 are monomers and show different coordination polyhedron. The Hg(II) ion has a distorted tetrahedral coordination polyhedron, while the Nd(III) ion exhibits distorted dodecahedral geometry. Thermal gravity (TG) data indicate that compounds 1 and 2 may be sublimed and decomposed in the course of heating and they might be expected to be useful precursors for MOCVD.
Source Title: Acta Chimica Sinica
ISSN: 05677351
Appears in Collections:Staff Publications

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