New Dirhenium(III) Compounds Bridged by Carboxylate Ligands: N(C4H9)4[Re2(OOCCF3)Cl6] and Re2(OOCCCHCo2(CO)
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- 作者：André ; s Vega ; Ví ; ctor Calvo ; Jorge Manzur ; Evgenia Spodine ; and Jean-Yves Saillard
- 刊名：Inorganic Chemistry
- 出版年：2002
- 出版时间：October 21, 2002
- 年：2002
- 卷：41
- 期：21
- 页码：5382 - 5387
- 全文大小：118K
- 年卷期：v.41,no.21(October 21, 2002)
- ISSN：1520-510X
文摘
The solvothermal reaction of (N(C4H9)4)2[Re2Cl8] with trifluoroacetic acid and acetic anhydride leads to the newrhenium trifluoroacetate dimer N(C4H9)4[Re2(OOCCF3)Cl6] (1) and to the rhenium carbonyl dimer Re2(
2-Cl)2(CO)8as the rhenium-reduced byproduct. The reaction of the precursor complex, N(C4H9)4[Re2(OOCCF3)Cl6] (1), with theorganometallic carboxylic acid (CO)6Co2HCCCOOH leads to the cluster of clusters compound Re2(OOCCCHCo2(CO)6)4Cl2 (2), which has the dimer structure of Re2(OOCR)4Cl2. Cyclic voltammetric measurements show thatRe2(OOCCCHCo2(CO)6)4Cl2 (2) has one reduction centered on the dirhenium core and a reduction centered on thecobalt atoms. DFT calculations have been used to rationalize the observed displacements of the voltammetricsignals in Re2(OOCCCHCo2(CO)6)4Cl2 (2) compared to the parent ligand (CO)6Co2HCCCOOH and rhenium pivalate.
2-Cl)2(CO)8as the rhenium-reduced byproduct. The reaction of the precursor complex, N(C4H9)4[Re2(OOCCF3)Cl6] (1), with theorganometallic carboxylic acid (CO)6Co2HCCCOOH leads to the cluster of clusters compound Re2(OOCCCHCo2(CO)6)4Cl2 (2), which has the dimer structure of Re2(OOCR)4Cl2. Cyclic voltammetric measurements show thatRe2(OOCCCHCo2(CO)6)4Cl2 (2) has one reduction centered on the dirhenium core and a reduction centered on thecobalt atoms. DFT calculations have been used to rationalize the observed displacements of the voltammetricsignals in Re2(OOCCCHCo2(CO)6)4Cl2 (2) compared to the parent ligand (CO)6Co2HCCCOOH and rhenium pivalate.