The title compound, [Ru{(C3H7)(3)C5H2}(2)], displays a rigorously para
llel sandwich geometry, with the Ru atom residing on a crystallographi
cally imposed inversion center. A resolvable disorder is present in on
e isopropyl substituent. The average Ru-C(ring) distance is 2.182 (9)
Angstrom, similar to that of other structurally characterized ruthenoc
enes.