EXTREME SYMBIOSIS - THE FACILE ONE-STEP SYNTHESIS OF THE PARAMAGNETIC COBALT(III) COMPLEX OF TRIPHENYLANTIMONY, COI(3)(SBPH(3))(2), FROM THE REACTION OF TRIPHENYLANTIMONYDIIODINE WITH UNACTIVATED COARSE-GRAIN COBALT METAL-POWDER

Triphenylantimony diiodine (2 equiv.) reacts with unactivated cobalt powder to yield the unexpected cobalt(III) complex Col(3)(SbPh(3))(2); this five coordinate species represents a rare example of a paramagnetic cobalt(III) complex.