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Type: Artigo de periódico
Title: Thermochemistry of adducts of tin(IV) chloride with ligands containing amide or thioamide groups
Author: Dunstan, PO
Abstract: The compounds [SnCl4(L)(2)] (where L is formamide (fa), acetamide (a), NN-dimethylformamide (dmf), NN-dimethylacetamide (dma), benzamide (ba), thioacetamide (ta), NN-dimethylthioformamide (dmtf), N,N-dimethylthioacetamide (dmta) or thiobenzamide (tba), were synthesized and characterized by melting point, elemental analysis, thermal studies and IR spectroscopy. The enthalpies of dissolution of the adducts. tin(IV) chloride and ligands in methanol were measured and by using thermochemical cycles, the following thermochemical parameters for the adducts have been deter-mined: the standard enthalpies for the Lewis acid/base reactions (Delta H-r(theta)), the standard enthalpies of formation (Delta H-f(theta)), the standard enthalpies of decomposition (Delta H-D(theta)), the lattice standard enthalpies (Delta H-M(theta)) and the standard enthalpies of the Lewis acid/base reactions in the gaseous phase (Delta H-r(theta)(g)). The mean standard enthalpies of the tin(IV)-oxygen ((D) over bar ((Sn-O))) and tin(IV)-sulphur bonds ((D) over bar ((Sn-O))) have been estimated. (C) 2001 Elsevier Science B.V. All rights reserved.
Subject: tin(IV)
tin(IV) chloride
Sn-O and Sn-S bonds
thermochemical parameters
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/S0040-6031(01)00570-6
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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