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Synthesis and Molecular Structures of Uranium and Thorium Diamidoamine Complexes
journal contribution
posted on 2023-06-08, 05:44 authored by D James Wilson, Alfredo Sebastian, Geoff Cloke, Anthony G Avent, Peter B HitchcockTreatment of UCl4 or ThCl4 with Li2[Me3SiN{CH2CH2NSiMe 3}2] affords the mono-diamidoamine complexes [M(Me3SiN{CH2CH2NSiMe3} 2)Cl2(THF)] (M=U, Th), and also the bis-diamidoamine complexes [M(Me3SiN{CH2CH2NSiMe3} 2)2] (M=U, Th). The base-free complex [U(Me3SiN{CH2CH2NSiMe3} 2)Cl2]2 was obtained by treatment of [U(Me3SiN{CH2CH2NSiMe3} 2)Cl2(THF)] with hot toluene. The X-ray structures of [Th(Me3SiN{CH2CH2NSiMe3} 2)Cl2(THF)] and [U(Me3SiN{CH2CH2NSiMe3} 2)Cl2]2 reveal a distorted octahedral geometry, whereas [M(Me3SiN{CH2CH2NSiMe3} 2)2] (M=U, Th) display trigonal bipyramidal geometry at the metal centre and the amino group on one of the diamidoamine ligands is non-bonding.
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Publication status
- Published
Journal
Inorganica Chimica ActaISSN
00201693Publisher
ElsevierExternal DOI
Issue
-Volume
345Page range
89-94Pages
6.0Department affiliated with
- Chemistry Publications
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- No
Peer reviewed?
- Yes
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2012-02-06Usage metrics
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