Revisiting the bis(dimethylamido) metallocene complexes of thorium and uranium: improved syntheses, structure, spectroscopy, and redox energetics of (C5Me5)2An(NMe2)2 (An = Th, U)

K. A. Erickson; B. D. Kagan; B. L. Scott; D. E. Morris; J. L. Kiplinger

doi:10.1039/C7DT02373A

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Revisiting the bis(dimethylamido) metallocene complexes of thorium and uranium: improved syntheses, structure, spectroscopy, and redox energetics of (C₅Me₅)₂An(NMe₂)₂ (An = Th, U)†

K. A. Erickson,

^a B. D. Kagan,

^ab B. L. Scott,^c D. E. Morris*^a and J. L. Kiplinger

*^a

Author affiliations

* Corresponding authors

^a Chemistry Division, Los Alamos National Laboratory, Mail Stop J514, Los Alamos, NM 87545, USA
E-mail: kiplinger@lanl.gov

^b Department of Chemistry, University of Vermont, Cook Physical Sciences Building, Burlington, VT, USA

^c Materials Physics & Applications Division, Los Alamos National Laboratory, Mail Stop J514, Los Alamos, NM 87545, USA

Abstract

The reaction of (C₅Me₅)₂AnCl₂ (An = Th, U) with 2.8 or 4 equivalents of LiNMe₂, respectively, affords (C₅Me₅)₂An(NMe₂)₂ in high yields. In addition to improved syntheses, the solid-state structures, voltammetric data, and UV-visible–NIR spectra for these classic actinide bis(dimethylamido) complexes are presented for the first time.

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Supplementary files

Crystal structure data CIF (306K)

Article information

DOI: https://doi.org/10.1039/C7DT02373A
Article type: Paper
Submitted: 30 Jun 2017
Accepted: 02 Aug 2017
First published: 02 Aug 2017

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Dalton Trans., 2017,46, 11208-11213

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Revisiting the bis(dimethylamido) metallocene complexes of thorium and uranium: improved syntheses, structure, spectroscopy, and redox energetics of (C₅Me₅)₂An(NMe₂)₂ (An = Th, U)

K. A. Erickson, B. D. Kagan, B. L. Scott, D. E. Morris and J. L. Kiplinger, Dalton Trans., 2017, 46, 11208 DOI: 10.1039/C7DT02373A

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Dalton Transactions