C-H Cleavages in the Photoreactions of [M2(.eta.5-C5H5)2(CO)6] (M = Mo, W): Isolation and Characterization of the V-Shaped Trinuclear Clusters [M2M'(.mu.-.eta.1,.eta.5-C5H4)(.eta.5-C5H5)2(CO)6] (M, M' = Mo or W) | Publicación