X-ray structure of {HB(Me2pz)3}WVIO2(.mu.-O)WIVO(CO){HB(Me2pz)3}, a molecule containing rare cis-[WO(CO)]2+ and syn-[WVIWIVO3(.mu.-O)]2+ moieties [HB(Me2pz)3- = hydrotris(3,5-dimethyl-1-pyrazolyl)borate] Academic Article