“…In fact, several examples are known [ 1,211. Thus it has been discovered that Ru3(C0)12 catalyzes the water gas shift reaction CO + H20 ti COz + H2 at low temperature [34] and Ir4(CO)12, the Fischer-Tropsch synthesis [35], a CO + (212 + 1)Hz + CnH2n+2 + H20, in which the hydrocarbons were methane, ethane, propane, and isobutane, the latter two being minor constituents.…”