A convenient synthesis of methylindium(III) dithiolate complexes—precursors for indium sulfides

Autor:	Nisha Kushwah, Shamik Ghoshal, Vimal K. Jain, Dimple P. Dutta
Rok vydání:	2005
Předmět:	chemistry.chemical_classification Inorganic chemistry chemistry.chemical_element General Chemistry Chemical synthesis Inorganic Chemistry chemistry.chemical_compound Crystallography Monomer chemistry X-ray crystallography Xanthate Dithiocarbamate Pyrolysis Stoichiometry Indium
Zdroj:	Applied Organometallic Chemistry. 19:1257-1262
ISSN:	1099-0739 0268-2605
DOI:	10.1002/aoc.981
Popis:	Methylindium(III) dithiolate complexes of the general formulae [Me 2 In(S n S)] (1) and [MeIn(S n S) 2 ] (2) [S n S = (EtO) 2 PS 2 -, (Pr i O) 2 PS 2 -, Et 2 NCS 2 -, Pr i 2 NCS 2 - , O(CH 2 CH 2 ) 2 NCS 2 - , EtOCS 2 - and Pr i OCS 2 - ] have been isolated conveniently by the reaction of Me 3 In.OEt 2 with In(S n S) 3 (3) in an appropriate stoichiometry. Both 1 and 2 have been characterized by indium analysis, IR, NMR ( 1 H, 13 C{ 1 H} and 31 P{H}) and mass spectral data. NMR data of 3 are also included for comparison. The Me-In and S n S resonances are sensitive to the number of methyl groups attached to indium metal. The mass spectral data indicate that these complexes are monomeric in nature. The thermal behavior of a few complexes has been investigated. The xanthate and dithiocarbamate complexes on pyrolysis under dynamic vacuum or flowing nitrogen atmosphere gave either In 2 S 3 or a mixture of InS, In 2 S 3 and In 6 S 7 , which were characterized using EDAX and powder XRD.
Databáze:	OpenAIRE
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