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Post Hartree–Fock calculations of pnictogen–uranium bonding in EUF3 (E = N–Bi)

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Abstract

NUF3 is identified as having a N[triple bond, length as m-dash]U triple bond, as has been previously found (Andrews et al., Angew. Chem. Int. Ed., 2008, 47, 5366). By contrast, while previously reported calculations on PUF3 and AsUF3 (Andrews et al., Inorg. Chem., 2009, 48, 6594) gave a E[triple bond, length as m-dash]U triple bond, our calculations suggest a single bond for both molecules, with antibonding π* and non-bonding 5fU orbitals significantly occupied, and highly multiconfigurational wavefunctions. We propose this difference to be due to the smaller [6,6] active space used (σ, π, π* and σ*) in the previous studies. In our calculations, a [6,16] active space was employed in order to include uranium f-orbitals and pnictogen d-orbitals.

Graphical abstract: Post Hartree–Fock calculations of pnictogen–uranium bonding in EUF3 (E = N–Bi)

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Publication details

The article was received on 11 Jul 2018, accepted on 13 Sep 2018 and first published on 13 Sep 2018


Article type: Communication
DOI: 10.1039/C8CC05581E
Citation: Chem. Commun., 2018, Advance Article
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    Post Hartree–Fock calculations of pnictogen–uranium bonding in EUF3 (E = N–Bi)

    B. E. Atkinson, H. Hu and N. Kaltsoyannis, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C8CC05581E

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