Electronic structures of organometallic compounds of f elements. 64 Does the Zwitterionic nature of the triphenylphosphine oxide ligand manifest itself in its spectrochemical properties?

被引：8

作者：

Amberger, Hanns-Dieter

Zhang, Lixin

Reddmann, Hauke

Apostolidis, Christos

Walter, Olaf

机构：

[1] Univ Hamburg, Inst Anorgan & Angew Chem, D-20146 Hamburg, Germany

[2] Europa Kommiss, Inst Transurane, Brussels, Belgium

[3] Forschungszentrum Karlsruhe, Inst Chem Tech, D-76021 Karlsruhe, Germany

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2006年 / 632卷 / 15期

关键词：

lanthanide ions; X-ray structure; crystal field analysis;

D O I：

10.1002/zaac.200600220

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The triphenylphosphine oxide mono adducts of the moiety tris(eta(5)-cyclopentadienyl)lanthanide(III) (Ln(Cp)(3); Ln = Pr (1), La (2)) were synthesized and structurally characterized. The Ln-O distances of these compounds are noticeably shorter than those of the corresponding THF adducts. A crystal field (CF) analysis of the optical spectra of I leads to a low absolute value of the quadratic CF parameter which is comparable with those of [Pr(CP)(3)(L)](-) adducts with anionic bases but not with [Pr(CP)(3)(MeTHF)]. Reasons for the latter finding are presented.

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页码：2467 / 2470

页数：4

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