Bidentate coordination of pyrazolate in low-coordinate iron(II) and nickel(II) complexes

被引：29
|
作者：
Vela, J
Vaddadi, S
Kingsley, S
Flaschenriem, CJ
Lachicotte, RJ
Cundari, TR [1 ]
Holland, PL
机构：
[1] Univ N Texas, Dept Chem, Denton, TX 76203 USA
[2] Univ Rochester, Dept Chem, Rochester, NY 14627 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2006年 / 45卷 / 10期
关键词：
coordination modes; density functional calculations; iron; N ligands; nickel;
D O I：
10.1002/anie.200503535
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Chemical Equation Presented) The first FeII and NiII complexes with bidentate pyrazolate ligands have been prepared (see scheme; M = FeII, NiII; R = tBu, Me; Ar = 2,6-iPr2C 6H3; X = Cl, (μ-Cl)2Li(thf)2). The coordination mode of the pyrazolate ligand η2 or μ-(η1:η1) and the geometry of the resulting complex depends on the steric bulk of the diketiminate ligand, the d-electron configuration of the metal center, the solvent, and the relative stabilities of the σ- and π-type frontier orbitals. © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：1607 / 1611
页数：5
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