TERT-BUTYLBENZAMIDATE DIRUTHENIUM(II, III) COMPOUNDS - CRYSTAL-STRUCTURE OF [RU-2(MU-HNOCC6H4-P-CME(3))(4)(OPPH(3))(2)]BF4

被引:11
作者
BARRAL, MC
JIMENEZAPARICIO, R
PRIEGO, JL
ROYER, EC
URBANOS, FA
MONGE, A
RUIZVALERO, C
机构
[1] UNIV COMPLUTENSE,FAC CIENCIAS QUIM,DEPT QUIM INORGAN,E-28040 MADRID,SPAIN
[2] CSIC,INST CIENCIA MAT,E-28006 MADRID,SPAIN
[3] UNIV COMPLUTENSE,FAC CIENCIAS QUIM,RAYOS X LAB,E-28040 MADRID,SPAIN
关键词
D O I
10.1016/S0277-5387(00)80044-3
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The reaction between RU(2)Cl(mu-O2CCH3)(4) and molten p-tert-butylbenzamide led to the formation of Ru2Cl(mu-HNOCC6H4-p-CMe(3))(4). The polymeric structure of this insoluble compound was broken with AgBF4, in anhydrous thf, giving [Ru-2(mu-HNOCC6H4-p-CMe(3))(4)(thf)(2)]BF4. The reaction of this cationic complex with OPPh(3) gave [Ru-2(mu-HNOCC6H4-p-CMe(3))(4)(OPPH3)(2)]BF4. The compounds have been characterized by elemental analysis, spectroscopic data and magnetic measurements and the crystal structure of [Ru-2(mu 1-HNOCC6H4-p-CMe(3))(4)(OPPh(3))(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) Angstrom. The compound has a non-polar 2:2 arrangement of the tert-butylbenzamidate ligands.
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页码:2947 / 2953
页数:7
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