Übergangsmetallkomplexe mit Schwefelliganden, XI* Molybdän-Oxo-Komplexe des Typs [Mo(IV)(O)(S 2 ) 2 ], [Mo(VI)(O) 2 (S 4 )], [MO(IV)(O)(S 4 )] und [Mo(IV)(O)(S 5 )] mit zwei-, vier- und fünfzähnigen Thioether-thiolat-Liganden (S x = mehrzähniger Thioether-thiolat-Ligand) / Transition Metal Complexes with Sulfur Ligands, XI* Molybdenum Oxo Complexes of the Type [Mo(IV)(O)(S 2 ) 2 ], [Mo(VI)(O) 2 (S 4 )], [MO(IV)(O)(S 4 )] and [Mo(IV)(O) (S 5 )] with Bi-, Tetra- and Pentadentate Thioether-Thiolate Ligands (S X = Multidentate Thioether-Thiolate Ligand