STUDIUL SPECTROSCOPIC AL DIOXIMAŢILOR Co(III) NOI SINTETIZAŢI CU ANIONI POLIFLUOROMETALICI

Andrei RIJA, Eduard COROPCEANU, Olga BOLOGA, Victor PRIVALOV*, Olga CIOBĂNICĂ Institutul de Chimie al AŞM *Institutul de Chimie Generală şi Anorganică din Moscova (Rusia)

Abstract

It has been carried out the oriented synthesis of the new Co(III) dioxymates with complex anions of fl uorine of type [Co(DioxH)2L2]nX⋅mH2O, where DioxH- is the radical of dioxime: dimethylglyoxime (DH2), 1,2-ciclohexandionedioxime (NioxH2); L – aniline (An), thiocarbamide (Thio), pyridine (Py); X – [SbF6]-, [TiF6]2-. The Cо(III) trans-dioximates form octahedric compounds with pseudomacrocyclic basis and neutral anionic ligand on the apical coordinates. The formation of the crystal structures is primarily governed by outer-sphere anions [TiF6]2–, [SbF6]- and crystallization water molecules.