SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF THE MIXED-METAL SPECIES [CO2IR2(CO)10(ETA(4)-COD)] AND [COIR3(CO)10(ETA(4)-COD)] (COD = 1,5-CYCLOOCTADIENE)

被引：2

作者：

LIVOTTO, FS

VARGAS, MD

GREPIONI, F

BRAGA, D

机构：

[1] UNIV ESTADUAL CAMPINAS,INST QUIM,CP 6154,BR-13081 CAMPINAS,BRAZIL

[2] UNIV BOLOGNA,DIPARTIMENTO CHIM G CIAMICIAN,I-40126 BOLOGNA,ITALY

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1993年 / 452卷 / 1-2期

基金：

巴西圣保罗研究基金会;

关键词：

D O I：

10.1016/0022-328X(93)83191-W

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The new mixed-metal clusters [Co2Ir2(CO)10(cod)] (4) and [CoIr3(CO)10(cod)] (5) (cod = 1,5-cyclooctadiene) have been obtained from [Co2(CO)8] (2) and [{IrCl(cod)}2](3). Alternatively, [Co2Ir2(CO)12] (1) reacts with cod to yield 4, which in the presence of CO reforms 1. Under the same conditions, however, 5 is inert. The solid state structures of 4 and 5 have been established by X-ray analyses, and the disorder shown by the two species is discussed. Compound 4 is monoclinic, space group P2(1)/c, a 8.891(2), b 10.746(3), c 22.648(8) angstrom, beta 95.16(3)-degrees, Z = 4, R = 0.048, R' = 0.050, for 2393 [I > 2sigma(I)] of 25% absorption corrected reflections; compound 5 is also monoclinic, space group P2(1)/m, a 8.5994(9), b 12.047(3), c 10.799(3) angstrom, beta 98.30(1)-degrees, Z = 2, R = 0.037, R' = 0.040, for 2071 [I > 2sigma(I)] of 2711 absorption corrected reflections.

引用

页码：197 / 203

页数：7

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