Kinetic Study of the Linkage Isomers in [Co(NH3)5ONO]X2 (X=Cl¯, Br¯, I¯) in the Solid State in KBr Discs

Document Type: Research Article

Authors

Chemistry Department, Tehran University, Tehran, I.R. IRAN

Abstract

The nitrite ® nitro isomerization in nitritopentaamine cobalt (III) halides has been known. In this paper, the effect of the size of the counter ions (noncoordinated groups) on the rate of isomerization in nitritopentaamine cobalt (III) halides, is reported. The rate of isomerization is decreased by increasing the size of the counter ions. This decrease is explained on the basis of steric interaction between the nitro groups in the inner sphere and the counter ions in the outer sphere of these complexes.

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