Structural peculiarities of actinyl complexation with monolacunary polyoxometalates

Sokolova, M. N.; Andreev, G. B.; Yusov, A. B.

doi:10.1016/j.inoche.2011.01.001

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Transition-metal-based Actinide-bearing Clusters1

Introduction1

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Cited by 8 publications

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“…Interest in these clusters derives from their potential applications in separation cycles, as well as the unique possibilities they provide for probing the role of 5f electrons in clusters. Several studies reported clusters containing a single actinide cation that bridges between two transition-metal polyoxometalate clusters or fragments. − Additional studies have examined transition-metal polyoxometalate clusters bridged through two − or three − actinide cations.…”

Section: Transition-metal-based Actinide-bearing Clustersmentioning

confidence: 99%

Clusters of Actinides with Oxide, Peroxide, or Hydroxide Bridges

2012

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Section: Transition-metal-based Actinide-bearing Clustersmentioning

confidence: 99%

Clusters of Actinides with Oxide, Peroxide, or Hydroxide Bridges

2012

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“…Ever since, the lacunary {XW 11 O 39 } (X = Si, P, B) unit28 has been employed for the construction of a growing class of sandwich‐type POMs containing a variety of hosts, such as lanthanoids,29,30,24 UO 2 2+ ,31 mixed 3d‐4f32 or hybrid cores,33 thus giving rise to a rich materials chemistry 34. The [Ln(β 2 ‐SiW 11 O 39 ) 2 ] 13– (Ln = La, Ce, Sm, Eu, Gd, Tb, Yb, Lu) series29a has been well characterized, and its Tb–Yb representatives were investigated for single‐molecule magnet behavior 29b.…”

Section: Introductionmentioning

confidence: 99%

Trilacunary Keggin‐Type POMs as Versatile Building Blocks for Lanthanoid Silicotungstates

Spingler

Patzke

2012

Eur J Inorg Chem

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Three new lanthanoid-substituted polyoxotungstates based on open Wells-Dawson fragments {[Ln 2 (H 2 O) 7 SiW 18 O 66 ] 10-[Ln = Eu III (Eu-1 and Eu-2), Tb III (Tb-1)]} and a new sandwich-type polyoxometalate constituted of Keggin-type monolacunary anions {[Eu(α-SiW 11 O 39 ) 2 ] 13-(Eu-3)} were obtained from the trilacunary Keggin POM Na 10 [SiW 9 O 34 ]·23 H 2 O and lanthanoid salts as precursors. All compounds were comprehensively characterized by inductively coupled plasma (ICP) and thermogravimetric analyses and by FT-IR and UV/Vis spectroscopy, as well as by powder X-ray diffraction (PXRD) and single-crystal X-ray diffraction. Eu-1 andTb-1 exhibit 3D architectures of dimeric [Ln 2 (H 2 O) 7 -SiW 18 O 66 ] 10units connected through Ln III linkers, whereas [a]

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