Structural study of holmium(III) and uranium(VI) organic ligand complexes by extended x-ray absorbtion fine-structure spectroscopy

被引：17

作者：

Yaita, T ^{[1
]}

Narita, H ^{[1
]}

Suzuki, S ^{[1
]}

Tachimori, S ^{[1
]}

Shiwaku, H ^{[1
]}

Motohashi, H ^{[1
]}

机构：

[1] Japan Atom Energy Res Inst, Dept Chem & Fuel Res, Tokai, Ibaraki 31911, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1998年 / 271卷

关键词：

EXAFS; lanthanide; uranium; complex structure in solution; diphosphine dioxide; CMPO; amide;

D O I：

10.1016/S0925-8388(98)00051-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The structures of holmium-organophosphorus mono- and bidentate ligands and uranium-monoamide ligand complexes in solutions were determined by extended X-ray absorption fine-structure spectroscopy. The diphosphine dioxide coordinates directly to holmium with symmetric bidentate mode, while the carbamoyl phosphine oxide with asymmetric bidentate mode. The structure for uranium-N,N-dihexyl-3-ethylhexanamide complex is very similar to that for the aqua nitrate uranyl complex in bond distance and coordination number. (C) 1998 Elsevier Science S.A.

引用

页码：184 / 188

页数：5

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