三苯基膦盐的制备及结构研究

Inorganic and Nuclear Chemistry Letters Pub Date : 1980-01-01 DOI:10.1016/0020-1650(80)80104-8

Masood Khan, Colin Oldham , Michael J. Taylor , Dennis G. Tuck

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引用次数: 15

摘要

在CH3CN + (C6H5)3P + HX (XCl, Br, I)的存在下，镓或钴的电化学氧化在一个步骤中得到(C6H5)3PH+ Ga2X62−(XCl, Br, I)或CoCl42−的良好结晶。X射线晶体学研究给出了阳离子的键长和角度，并证实了XCl或i的Ga2X62−阴离子的存在。振动谱提供了区分(C6H5)3PH+和结合(C6H5)3P的诊断标准。

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Preparative and structural studies of triphenylphosphonium salts

The electrochemical oxidation of gallium or cobalt in the presence of CH₃CN + (C₆H₅)₃P + HX (X  Cl, Br, I) yields, in a single step, the (C₆H₅)₃PH⁺ salts of Ga₂X₆²⁻ (X  Cl, Br, I) or CoCl₄²⁻ in good crystalline form. X-ray crystallogrpahic studies gave the bond lengths and angles of the cation, and confirmed the presence of the Ga₂X₆²⁻ anion for XCl or I. Vibrational spectra provide diagnostic criteria for distinguishing (C₆H₅)₃PH⁺ from ligated (C₆H₅)₃P.

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Inorganic and Nuclear Chemistry Letters

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