Dinuclear platinum(II) complexes with bridging twofold deprotonated 2,2 ': 6 ',2 ''-terpyridine. New molecules with a 3,5-diplatinated-pyridyl inner core: [Pt-2(terpy-2H)(Me)(2)(L)(2)], [Pt-2(terpy-2H)(X)(2)(L)(2)] and [Pt-2(terpy-2H)(H)(2)(L)(2)] (L = neutral ligand; X = halide) - Crystal and molecular structure of [Pt-2(terpy-2H)(Cl)(2)(PPh3)(2)] RID D-3096-2011