Organoantimony compounds. II. Studies on tetraphenylantimony(V) derivatives

Abstract

Tetraphenylantimony halides, pseudohalides, carboxylates, nitrate, sulfate, selenate, and chromate have been synthesized. The infrared spectra, molecular weights, and electrical conductances of these compounds have been investigated to elucidate the chemical constitution. The compounds have molecular, monomeric constitution in benzene solutions. Infrared results indicate that with the exception of the acetate and the oxalate, all the compounds have 5-coordinate structures. The acetate is 6-coordinate in the solid state and 5-coordinate in bromoform or chloroform solution. The oxalate is indicated to be 6-coordinate in the solid state as well as in chloroform solution. The electrical conductivities of the bromide, chloride, thiocyanate, trifluoroacetate, and the nitrate in nitromethane correspond to those of 1:1 electrolyte. The conductivities of the other compounds indicate little dissociation in this solvent.