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首页> 外文期刊>Journal of Solution Chemistry >Modelling the Hydrolysis of Mixed Mono-, Di- and Trimethyltin(IV) Complexes in Aqueous Solutions
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Modelling the Hydrolysis of Mixed Mono-, Di- and Trimethyltin(IV) Complexes in Aqueous Solutions

机译:模拟混合的单,二和三甲基锡(IV)配合物在水溶液中的水解

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The formation of mixed hydrolytic species obtained by the interaction of dimethyltin(IV) {(CH3)(2)Sn2+ or DMT or M2(2+)} with the monomethyltin(IV) (CH3Sn3+ or MMT or M1(3+)) and trimethyltin(IV) {(CH3)(3)Sn+ or TMT or M3(+)} cations was studied in aqueous solutions of NaNO3, at I = 1.00 +/- 0.05 mol.dm(-3) and T = (298.15 +/- 0.1) K, by the potentiometric technique. The formation of several mono- and polynuclear hydrolytic mixed species was observed in the two mixed systems. For the (M1)(p)(M2)(q)(OH) r mixed species we have: (p, q, r) = (1, 1, 3), (1, 1, 4), (1, 1, 5), (2, 1, 5), (2, 1, 7), (1, 3, 6) and (2, 3, 11); for (M2)(p)(M3)(q)(OH)(r): (p, q, r) = (1, 1, 2), (1, 1, 3), (1, 2, 3), (1, 2, 4), (2, 1, 4), (3, 1, 4) and (3, 1, 5). The stability of these species, expressed by the following general equilibrium:
机译:通过二甲基锡(IV){(CH3)(2)Sn2 +或DMT或M2(2+)}与单甲基锡(IV)(CH3Sn3 +或MMT或M1(3+))的相互作用形成混合水解物质在NaNO3水溶液中研究了三甲基锡(IV){(CH3)(3)Sn +或TMT或M3(+)}阳离子,其中I = 1.00 +/- 0.05 mol.dm(-3)和T =(298.15 + /-0.1)K,通过电位计技术。在两个混合系统中观察到几种单核和多核水解混合物质的形成。对于(M1)(p)(M2)(q)(OH)r混合物种,我们有:(p,q,r)=(1,1,3),(1,1,4),(1, 1、5),(2、1、5),(2、1、7),(1、3、6)和(2、3、11);对于(M2)(p)(M3)(q)(OH)(r):(p,q,r)=(1,1,2),(1,1,3),(1,2,3 ),(1、2、4),(2、1、4),(3、1、4)和(3、1、5)。这些物种的稳定性,由以下一般平衡表示:

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