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A Mixed‐Valent Uranium Phosphonate Framework Containing U IV , U V , and U VI
Author(s) -
Chen Lanhua,
Zheng Tao,
Bao Songsong,
Zhang Linjuan,
Liu HsinKuan,
Zheng Limin,
Wang Jianqiang,
Wang Yaxing,
Diwu Juan,
Chai Zhifang,
AlbrechtSchmitt Thomas E.,
Wang Shuao
Publication year - 2016
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201602863
Subject(s) - uranium , phosphonate , chemistry , crystallization , electron paramagnetic resonance , ion , crystallography , nuclear chemistry , analytical chemistry (journal) , inorganic chemistry , radiochemistry , materials science , nuclear magnetic resonance , physics , organic chemistry , chromatography , metallurgy
It is shown that U V O 2 + ions can reside at U VI O 2 2+ lattice sites during mild reduction and crystallization process under solvothermal conditions, yielding a complicated and rare mixed‐valent uranium phosphonate compound that simultaneously contains U IV , U V , and U VI . The presence of uranium with three oxidation states was confirmed by various characterization techniques, including X‐ray crystallography, X‐ray photoelectron, electron paramagnetic resonance, FTIR, UV/Vis‐NIR absorption, and synchrotron radiation X‐ray absorption spectroscopy, and magnetism measurements.