Author： Gałdecka E.
Publisher： Springer Publishing Company
ISSN： 0340-4285
Source： Transition Metal Chemistry, Vol.25, Iss.3, 2000-06, pp. : 315-319
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Abstract
Reduction of [Rh_2(μ-OAc)_2(bpy)_2(H_2O)_2](OAc)_2 and [Rh_2Cl_2(μ-OAc)_2(bpy)_2] · 3H_2O complexes with ethanol and [Cr_2(OAc)_4(H_2O)_2] has been investigated using e.p.r. and u.v.–vis. spectra. The results indicate that stable complexes containing the [Rh_2^3+] entity are not formed. The X-ray structure of [Rh_2Cl_2(μ-OAc)_2(bpy)_2] · 3H_2O has been determined. Coordination around the Rh atom is in the form of a distorted octahedron. The complex shows an almost ideal eclipsed conformation. The equatorial coordination sites are occupied by bridging carboxylato ligands and 2,2′-bipyridine and axial positions by the Cl ligand and the rhodium atom. The Rh–Rh distance is 2.574 Å.
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