Carbonyl(~5-cyclopentadienyl)(trimethylphosphane)[~2-(methylthio)phenylcarbene]molybdenum Tetrafluoroborate -an Amphiphilic Carbene ComplexThe title complex 1 adds the electrophile SMe+ as well as the nucleophilic PMe3 at the carbene carbon to form the complexes 2 and 3, respectively.