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首页> 外文期刊>Журнал аналитической химии >Solvation properties of hexyl (p-trifluoroacetyl)benzoate and its analogues in anion-exchange extraction systems
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Solvation properties of hexyl (p-trifluoroacetyl)benzoate and its analogues in anion-exchange extraction systems

机译:阴离子交换萃取系统中己基(p-三氟乙酰基)苯甲酸酯及其类似物的溶剂化性能

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摘要

Solvation properties of hexyl (p-trifluoroacetyl)benzoate and its analogues were investigated m the TNODA~+DNP~-/A~(z-) extraction system, where TNODA~+DNP~- is trinonyloctadecylammonium 2,4-dinitrophenolate, and A~(z-) is the anion to be extracted. Solvation numbers and constants were calculated for a series of anions. Quantum-chemical calculations of internuclear distances and atomic charges of p-trifluoroacetyl derivatives were carried out. The hypothesis was formulated that the mechanism of anion solvation by molecules of hexyl (p-trifluoroacetyl)benzoate involves the formation of hydrogen bonds between hydrogen atoms of the benzene ring of hexyl (p-trifluoroacetyl)benzoate and oxygen atoms of solvated anions.
机译:研究了己基(p-三氟乙酰基)苯甲酸酯及其类似物的溶剂化性质M TNODA〜+ DNP〜 - / A〜(Z-)提取系统,其中TNODA〜+ DNP〜 - 是三烯基乙烯基铵2,4-二硝基苯甲酸酯,以及一个 〜(z-)是要提取的阴离子。 为一系列阴离子计算溶剂化数字和常数。 进行量子化学计算对三氟乙酰衍生物的间隙距离和原子电荷进行。 制定了假设,即己基(p-三氟乙酰基)苯甲酸酯分子的阴离子溶剂化机理涉及在己基(p-三氟乙酰基)苯甲酸己酸苯甲酸苯环和溶剂化阴离子的氧原子之间的氢原子之间形成氢键。

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