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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Singularity of proton transport in salts of orthoperiodic and orthotellurium acids:theoretical modeling using density functional calculations
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Singularity of proton transport in salts of orthoperiodic and orthotellurium acids:theoretical modeling using density functional calculations

机译:邻高周二酸和邻位lur酸的盐中质子传输的奇异性:使用密度泛函计算的理论模型

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Density functional B3LYP calculations have been performed to investigate proton transport in orthoperiodic and orthotellurium acids,their salts MIO_6H_4(M=Li,Rb,Cs)and CsH_5TeO_6,dimers of the salt~*acid type MIO_6H_4~*H_5IO_6(M=Rb,Cs),CsIO_6H_4~*H_6TeO_6,CsHSO_4~* H_6TeO_6,Cs_2SO_4~*H_6TeO_6,and also in double-substituted and binary salts Rb_2H_3IO_6 and Rb_4H_2I_2O_10.It has been shown that the energy of salt dimerization is 33-35 kcal mol~-1 and the activation barrier for proton migration between the neighboring octahedrons of the salt~*acid-> acid~* salt type is calculated to be 3-13 kcal mol~-1.The activation energy of the proton migration along the octahedron,20-30 kcal mol~-1,is comparable with the barrier for water molecule separation.Quantum-chemical calculations correlate with the results of X-ray and electrochemical studies.
机译:已经进行了密度泛函B3LYP计算以研究质子交换酸和邻位lur酸中的质子传输,它们的盐MIO_6H_4(M = Li,Rb,Cs)和CsH_5TeO_6,盐〜*酸类型MIO_6H_4〜* H_5IO_6(M = Rb,Cs ),CsIO_6H_4〜* H_6TeO_6,CsHSO_4〜* H_6TeO_6,Cs_2SO_4〜* H_6TeO_6以及双取代和二元盐Rb_2H_3IO_6和Rb_4H_2I_2O_10中的盐k-1和二聚体的摩尔能量为33。盐〜酸→酸〜盐类型的相邻八面体之间质子迁移的活化能垒经计算为3-13 kcal mol〜-1。质子沿八面体迁移的活化能为20-30 kcal mol〜-1相当于水分子分离的障碍。量子化学计算与X射线和电化学研究的结果相关。

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