Immobilization of Alkali Metal Fluorides via Recrystallization in a Cationic Lamellar Material, [Th(MoO4)(H2O)4Cl]Cl·H2O

Various types of polyoxometalates (POMs) have been synthesized since the 19th century, but their assortment has been mostly limited to Groups 5 and 6 metals. Herein, a new family of POMs composed of a carbon group element as the addenda atoms with two distinct phases, LnPbOClO 4 ‐1 (Ln = Sm to Ho, Y) and LnPbOClO 4 ‐2 (Ln = Er and Tm) is reported. Both structures are built from [Ln 6 O 8 ] rare‐earth metal hexamers being incorporated in [Pb 18 O 32 ]/[Pb 12 O 24 ] polyplumbites, and unbound perchlorates as charge‐balancing anions. Impressively, YPbOClO 4 ‐1 and ErPbOClO 4 ‐2 exhibit exceptional uptake capacities (434.7 and 427.7 mg g −1 ) toward ReO 4 − , a chemical surrogate for the key radioactive fission product in the nuclear fuel cycle 99 TcO 4 − , which are the highest values among all inorganic anion‐exchange materials reported until now. The sorption mechanism is clearly elucidated and visualized by single‐crystal‐to‐single‐crystal structural transformation from ErPbOClO 4 ‐2 to a perrhenate‐containing complex ErPbOReO 4 , revealing a unique ReO 4 − uptake selectivity driven by specific interaction within Pb···O‐ReO 3 − bonds.

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[Ln₆O₈] Cluster‐Encapsulating Polyplumbites as New Polyoxometalate Members and Record Inorganic Anion‐Exchange Materials for ReO₄⁻ Sequestration

Lin

Zhu

Yue

et al. 2019

Advanced Science

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Viologen‐Based Uranyl Coordination Polymers: Anion‐Induced Structural Diversity and the Potential as a Fluorescent Probe

Zeng

Kong

et al. 2021

Eur J Inorg Chem

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Four novel uranyl coordination polymers (CPs) have been synthesized by the utilization of viologen derivative ligand, 1,1'bis(3,5-dicarboxyphenyl)-4,4'-bipyridinium (H 4 bdbp • 2Cl), and uranyl nitrate under hydrothermal reactions through the regulation of different kinds of inorganic acids (HF, HCl, HNO 3 , HClO 4 , H 2 SO 4 ). Compound 1 features a unique triple-stranded helix structure with a helical pitch of 31.578 Å. The ligands in compounds 2-4 have similar configurations, while their 3D structures are completely different due to the presence of different kinds of anions. The anions play different roles in the frameworks of these uranyl CPs. In addition, compound 2 possesses strong fluorescence both in solid-state and aqueous suspension-state. It is demonstrated that compound 2 can selectively detect Fe 3 + over several competing metal cations in aqueous solution.

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Progress in solid state and coordination chemistry of actinides in China

Liu

Zhang

et al. 2022

Radiochimica Acta

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In the past decade, the area of solid state chemistry of actinides has witnessed a rapid development in China, based on the significantly increased proportion of the number of actinide containing crystal structures reported by Chinese researchers from only 2% in 2010 to 36% in 2021. In this review article, we comprehensively overview the synthesis, structure, and characterizations of representative actinide solid compounds including oxo-compounds, organometallic compounds, and endohedral metallofullerenes reported by Chinese researchers. In addition, Chinese researchers pioneered several potential applications of actinide solid compounds in terms of adsorption, separation, photoelectric materials, and photo-catalysis, which are also briefly discussed. It is our hope that this contribution not only calls for further development of this area in China, but also arouses new research directions and interests in actinide chemistry and material sciences.

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Immobilization of Alkali Metal Fluorides via Recrystallization in a Cationic Lamellar Material, [Th(MoO₄)(H₂O)₄Cl]Cl·H₂O

Cited by 3 publications

References 45 publications

[Ln₆O₈] Cluster‐Encapsulating Polyplumbites as New Polyoxometalate Members and Record Inorganic Anion‐Exchange Materials for ReO₄⁻ Sequestration

[Ln₆O₈] Cluster‐Encapsulating Polyplumbites as New Polyoxometalate Members and Record Inorganic Anion‐Exchange Materials for ReO₄⁻ Sequestration

Viologen‐Based Uranyl Coordination Polymers: Anion‐Induced Structural Diversity and the Potential as a Fluorescent Probe

Progress in solid state and coordination chemistry of actinides in China

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Immobilization of Alkali Metal Fluorides via Recrystallization in a Cationic Lamellar Material, [Th(MoO4)(H2O)4Cl]Cl·H2O

Cited by 3 publications

References 45 publications

[Ln6O8] Cluster‐Encapsulating Polyplumbites as New Polyoxometalate Members and Record Inorganic Anion‐Exchange Materials for ReO4− Sequestration

[Ln6O8] Cluster‐Encapsulating Polyplumbites as New Polyoxometalate Members and Record Inorganic Anion‐Exchange Materials for ReO4− Sequestration

Viologen‐Based Uranyl Coordination Polymers: Anion‐Induced Structural Diversity and the Potential as a Fluorescent Probe

Progress in solid state and coordination chemistry of actinides in China

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Immobilization of Alkali Metal Fluorides via Recrystallization in a Cationic Lamellar Material, [Th(MoO₄)(H₂O)₄Cl]Cl·H₂O

[Ln₆O₈] Cluster‐Encapsulating Polyplumbites as New Polyoxometalate Members and Record Inorganic Anion‐Exchange Materials for ReO₄⁻ Sequestration

[Ln₆O₈] Cluster‐Encapsulating Polyplumbites as New Polyoxometalate Members and Record Inorganic Anion‐Exchange Materials for ReO₄⁻ Sequestration