[(ME(3)PN)(3)SNS(NPME(3))(2)]CL-2, A MIXE D VALENCED PHOSPHORANE IMINATO COMPLEX OF SULFUR

The title compound has been prepared from trithiazyl chloride and the silylated phosphaneimine Me(3)SiNPMe(3) in acetonitrile solution, form ing red crystals, which were characterized by IR spectroscopy and by a crystal structure determination. Space group P2(1)/c, Z = 4, structur e solution with 4250 independent reflections, R = 0.054. Lattice dimen sions at 20 degrees C: a = 1077.8, b = 2036.6, c = 1480.5 pm, beta = 1 02.39 degrees. The compound consists of dications [(Me(3)PN)(3)SNS(NPM e(3))(2)](2+) and chloride ions. In the cations the sulfur atoms of ox idation number +VI and IV are connected by an asymmetric, bent nitrido bridge with SN bond lengths of 156.9 and 167.0 pm.