SYNTHESIS AND CHARACTERIZATION OF THE NEW SELENOMETALATE ANION [IR(SE-4)(3)](3-)

被引：9

作者：

ALBRECHTSCHMITT, TE ^{[1
]}

CODY, JA ^{[1
]}

HUPP, JT ^{[1
]}

IBERS, JA ^{[1
]}

机构：

[1] NORTHWESTERN UNIV,DEPT CHEM,EVANSTON,IL 60208

来源：

INORGANIC CHEMISTRY | 1995年 / 34卷 / 21期

关键词：

D O I：

10.1021/ic00125a003

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The first selenoiridate anion [Ir(Se-4)(3)](3-) has been obtained as a [K(18-crown-6)](+) salt through the reaction of [Ir(CH3CN)(2)(COE)(2)][BF4] with [K(18-crown-6)](2)[Se-4] in acetonitrile/DMF at -50 degrees C. [Ir(Se-4)(3)](3-) represents only the second example of a group 9 chalcogenometalate. Variable-temperature Se-77 NMR data provide evidence of an equilibrium between two conformers of [Ir(Se-4)(3)](3-) in solution with Delta H = 2.5(5) kcal mol(-1) and Delta S = 11.5(2.2) cal mol(-1) K-1. In the solid state the anion is a Lambda delta delta delta/Delta lambda lambda lambda racemate.

引用

页码：5101 / &

共 28 条

[11] HALF-SANDWICH PENTAMETHYLCYCLOPENTADIENYL IRIDIUM COMPLEXES CONTAINING SULFIDO AND SELENIDO LIGANDS - X-RAY CRYSTAL-STRUCTURES OF CP-STAR-IR(PME3)(S6) AND CP-STAR-IR(PME3)(SE4) [J].