|
|||||
|
|
Tert-butylbenzamidate diruthenium(II, III) compounds. Crystal structure of [Ru2(μ-HNOCC6H4-p-CMe3)4(OPPh3)2]BF4 |
|
| Authors: | M.C. Barral, R. Jim nez-Aparicio, J.L. Priego, E.C. Royer, F.A. Urbanos, A. Monge,C. Ruí z-Valero |
| Affiliation: | Departamento de Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense, Ciudad Universitaria, 28040 Madrid, Spain Instituto de Ciencias de los Materiales, sede D, C.S.I.C., Serrano 113, 28006 Madrid, Spain Laboratorio de Rayos X, Facultad de Ciencias Químicas, Universidad Complutense, Ciudad Universitaria, 28040 Madrid, Spain |
| Abstract: | The reaction between Ru2Cl(μ-O2CCH3)4 and molten p-tert-butylbenzamide led to the formation of Ru2Cl(μ-HNOCC6H4-p-CMe3)4. The polymeric structure of this insoluble compound was broken with AgBF4, in anhydrous thf, giving [Ru2(μ-HNOCC6 H4-p-CMe3)4(thf)2]BF4. The reaction of this cationic complex with OPPh3 gave [Ru2(μ-HNOCC6H4-p-CMe3)4(OPPh3)2]BF4. The compounds have been characterized by elemental analysis, spectroscopic data and magnetic measurements and the crystal structure of [Ru2(μ-HNOCC6H4-p-CMe3)4(OPPh3)2]BF4 was determined by X-ray crystallography. The asymmetric unit is composed of halves of two different crystallographically independent centrosymmetric cations. Each ruthenium(II,III) dimer is bonded to four bridging p-tert-butylbenzamidate ligands and to two axial triphenylphosphine oxide molecules. The Ru---Ru distances in the two dimeric cations of the unit cell are 2.281(2) and 2.280(2) Å. The compound has a non-polar 2 : 2 arrangement of the tert-butylbenzamidate ligands. |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ | |