Main Group Metal–Actinide Magnetic Coupling and Structural Response Upon U4+ Inclusion Into Bi, Tl/Bi, or Pb/Bi Cages | Zendy

Niels Lichtenberger | Zendy; Robert J. Wilson | Zendy; Armin R. Eulenstein | Zendy; Werner Massa | Zendy; Rodolphe Clérac | Zendy; Florian Weigend | Zendy; Stefanie Dehnen | Zendy

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Main Group Metal–Actinide Magnetic Coupling and Structural Response Upon U⁴⁺ Inclusion Into Bi, Tl/Bi, or Pb/Bi Cages

Author(s) -

Niels Lichtenberger,

Robert J. Wilson,

Armin R. Eulenstein,

Werner Massa,

Rodolphe Clérac,

Florian Weigend,

Stefanie Dehnen

Publication year - 2016

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/jacs.6b04363

Subject(s) - chemistry , actinide , metal , coupling (piping) , inductive coupling , inclusion (mineral) , group (periodic table) , crystallography , inorganic chemistry , metallurgy , mineralogy , physics , organic chemistry , materials science , quantum mechanics

The encapsulation of actinide ions in intermetalloid clusters has long been proposed but was never realized synthetically. We report the isolation and experimental, as well as quantum chemical, characterization of the uranium-centered clusters [U@Bi12](3-), [U@Tl2Bi11](3-), [U@Pb7Bi7](3-), and [U@Pb4Bi9](3-), upon reaction of (EE'Bi2)(2-) (E = Ga, Tl, E' = Bi; E = E' = Pb) and [U(C5Me4H)3] or [U(C5Me4H)3Cl] in 1,2-diaminoethane. For [U@Bi12](3-), magnetic susceptibility measurements rationalize an unprecedented antiferromagnetic coupling between a magnetic U(4+) site and a unique radical Bi12(7-) shell.

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