Abstract
Abstract Chromyl Chloride reacts with carboxylic acids [RCOOH where R = C2H5, n-C3H7, CH2CI, CHCl2 and CCI3] to give reduced chromium(III) carboxylates, [Cr3 O(OOCR)6 (H2O)3 ]Cl. Magnetic susceptibility, UV-visible and IR measurements are all consistent with their trinuclear basic structures. Reactions of chromyl chloride with carboxylic acid anhydrides [(RCO)2O where R = CH3 , C2H5 and n-C3H7 ] give dinuclear oxo-bridged complexes of the type, [Cr2O(OOOCR)3 ]Cl. These compounds behave as non-electrolytes in polar organic solvents. IR spectra suggest the presence of bridging carboxylato groups containing Cr-O -Cr chains. Their low magnetic moment values suggest polymeric structures exhibiting antiferromagnetic coupling between Cr atoms.
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