SYNTHESIS AND CHARACTERIZATION OF A NOVEL OXO-DISULFIDOTETRAVANADATE(V) ANION WITH A BRIDGING TETRASULFIDO LIGAND (V(O)(S-2)(2))(2)(MU(2)-S-4)(V(O)(S-2)(2))(2)](6-)
C. Simonnetjegat et al., SYNTHESIS AND CHARACTERIZATION OF A NOVEL OXO-DISULFIDOTETRAVANADATE(V) ANION WITH A BRIDGING TETRASULFIDO LIGAND (V(O)(S-2)(2))(2)(MU(2)-S-4)(V(O)(S-2)(2))(2)](6-), Chemical communications, (3), 1996, pp. 423-424
NH4[VO3] reacts with aqueous polysulfide solutions in the presence of
4,4'-bipyridine to yield the tetranuclear anion [V4S20O4](6-) which co
ntains four bipyramids connected via a zigzag S-4(2-) bridge.