nonpolar , organic solvent - soluble tellurium compounds and complexes are disclosed . the compounds are tellurium compounds and are represented by the formula : te . sub . n sirr &# 39 ; r &# 34 ;]. sub . 2 wherein : n is an integer from 1 to 10 and r , r &# 39 ; and r &# 34 ; are independently selected from the group consisting of alkyl , aryl and heterocyclic radicals . photosensitive complexes of these compounds with transition metals , as well as photographic elements having layers comprising these complexes , are also disclosed .