“…Complexes of general formula [{Cp¢¢¢Co} x (P 12-n )] [x=3; n=0 (29), 4 (28), x=4, n=2 (27)] have been isolated and, for the P 8 and P 10 complexes, characterized by X-ray methods [38,39]. The related P 10 -rhodium derivative [{Cp¢¢Rh} 4 (P 10 )] (93) is also known [42].…”