Issue 79, 2018

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

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)

Supplementary files

Article information

Article type
Communication
Submitted
11 srp 2018
Accepted
13 ruj 2018
First published
13 ruj 2018

Chem. Commun., 2018,54, 11100-11103

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

B. E. Atkinson, H. Hu and N. Kaltsoyannis, Chem. Commun., 2018, 54, 11100 DOI: 10.1039/C8CC05581E

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