title: Di-μ-carbonyl-bis-[bis-(triphenyl-phos-phane)rhodium(0)](Rh-Rh) acetone disolvate.
abstract: The dirhodium complex, [Rh(2)(C(18)H(15)P)(4)(CO)(2)]·2(CH(3))(2)CO, has crystallographic twofold symmetry and the Rh-Rh distance is 2.6266 (8) Å. The four atoms proximate to each Rh atom [Rh-P = 2.3222 (7) and 2.3283 (8) Å, and Rh-C = 1.961 (3) and 2.045 (3) Å] form a distorted tetra-hedron with large deviations from the putative tetra-hedral angles [r.m.s. deviation = 23 (1)°]. The six angles more closely approximate those of a trigonal bipyramid [r.m.s. deviation = 14 (1)°] with one missing equatorial ligand. The two bridging carbonyl ligands are much more linearly coordinated to one Rh [Rh-C O = 151.0 (2)°] than to the other [127.0 (2)°], and the two Rh(2)CO planes form a dihedral angle of 45.43 (5)°. The two acetone solvent mol-ecules are disordered, and their estimated scattering contribution was subtracted from the observed diffraction data using the SQUEEZE routine in PLATON [Spek (2009 ▶). Acta Cryst.D65, 148-155].
authors.affiliation: Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803-1804,  USA.
authors.forename: Petia G
authors.initials: PG
authors.lastname: Gueorguieva
authors.forename: Scott A
authors.initials: SA
authors.lastname: Laneman
authors.forename: George G
authors.initials: GG
authors.lastname: Stanley
authors.forename: Frank R
authors.initials: FR
authors.lastname: Fronczek
authors.forename: Steven F
authors.initials: SF
authors.lastname: Watkins