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

页码：1607 / 1611

页数：5

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