Structural characterisation of the giant organometallic platinum cluster Pt309(phen*)36O30 using EXAFS

被引：14

作者：

Benfield, RE ^{[1
]}

Filipponi, A

Morgante, N

Schmid, G

机构：

[1] Univ Kent, Sch Phys Sci, Mat Res Ctr, Canterbury CT2 7NR, Kent, England

[2] European Synchrotron Radiat Facil, F-38043 Grenoble, France

[3] Univ Milan, Dipartimento Sci Mat, I-20126 Milan, Italy

[4] Univ Essen Gesamthsch, Inst Anorgan Chem, D-45117 Essen, Germany

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1999年 / 573卷 / 1-2期

基金：

英国工程与自然科学研究理事会;

关键词：

platinum; clusters; EXAFS; lattice contraction; XANES;

D O I：

10.1016/S0022-328X(98)00878-X

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The structure of the high-nuclearity organometallic platinum cluster material Pt-309(phen*)(36)O-30 has been investigated by X-ray absorption spectroscopy. Analysis of Pt L-3-edge EXAFS data, using platinum foil as a reference, shows that the platinum clusters have cubic close packed geometry. A slight contraction of the Pt-Pt bond length from the bulk was observed. XANES analysis shows that the platinum atoms in the clusters have a low mean oxidation state, very close to that in metallic platinum. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：299 / 304

页数：6

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