2,2' - 6',2''-TERPYRIDINE (TERPY) ACTING AS A FLUXIONAL BIDENTATE LIGAND .2. RHENIUM CARBONYL HALIDE-COMPLEXES, FAC-[REX(CO)3(TERPY)] (X = CL, BR OR I) - NMR-STUDIES OF THEIR SOLUTION DYNAMICS, SYNTHESIS OF CIS-[REBR(CO)2(TERPY)] AND THE CRYSTAL-STRUCTURE OF [REBR(CO)3(TERPY)] - ABEL,EW; DIMITROV,VS; LONG,NJ; ORRELL,KG; OSBORNE,AG; PAIN,HM; SIK,V; HURSTHOUSE,MB; MAZID,MA (JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1993)