Abstract

AbstractIn strong HCl solutions SbCl5 reacts with 8‐hydroxyquinoline (oxine) to form only a 1:1 compound recoverable (in > 95% purity) as crystalline golden yellow plates of SbCl5 · C9H7ON (m. p. 145 °C dec.). It hydrolyses in moist air and absorbs HCl strongly. Solubility in aq · HCl, acetone, chloroform and carbon tetrachloride indicate absence of a chelated structure. Reaction with AgNO3 and ion‐exchange behaviour suggests existence of an anionic antimony(V) species incorporating the chlorine atoms, in acetone solutions of the compound. Absorption spectra in CCl4, CHCl3 and acetone solutions have been recorded and a tentative structure for the compound is proposed.

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