What is "oxotrichlorobisrhenium"

Oxotrichlorobis(triphenylphosphine)rhenium(V) is the chemical compound with the formula Re O Cl( P Ph). This yellow, air-stable solid is a precursor to a variety of other rhenium complexes. In this diamagnetic compound, Re has an octahedral coordination environment with one oxo, three chloro and two mutually trans triphenylphosphine ligands. The oxidation state of rhenium is +5 and its configuration is d.