oa South African Journal of Chemistry - Hexamethylphosphoramide and octamethylpyrophosphoramide complexes of tetravalent metal chlorides



The hexamethylphosphoramide (HMPA) complexes MCl4,2HMPA (M=Sn, T1, Zr, and Hf) and octamethylphosphoramide (OMPA) complexes MCl4,OMPA (M=Sn, T1, Zr and Hf), ThCl4,2OMPA and UCl4, 1.5 OMPA have been prepared and their conductivity in non-aqueous solvents, absorption spectra and magnetic properties (in the case of the U(IV) compound) investigated. The unit cell dimensions of SnCl4,2HMPA and UCl4,2HMPA have been determined by X-ray diffraction.


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