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
收藏
页码：184 / 188
页数：5
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