The nature of the triple Btriple bondB, double, Bdouble bondB, single, B–B, and one-electron, B.B boron-boron bonds from the topological analysis of electron localisation function (ELF) perspective
Journal article
Mierzwa, G., Gordon, A.J. and Berski, S. 2020. The nature of the triple Btriple bondB, double, Bdouble bondB, single, B–B, and one-electron, B.B boron-boron bonds from the topological analysis of electron localisation function (ELF) perspective. Journal of Molecular Structure. 1221, p. 128530. https://doi.org/10.1016/j.molstruc.2020.128530
Authors | Mierzwa, G., Gordon, A.J. and Berski, S. |
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Abstract | Local nature of the boron-boron (BB) bond has been investigated in 23 molecules using the topological analysis of Electron Localisation Function (ELF) and the electron density (AIM) frameworks. The wave function has been approximated using the CCSD//CCSD(T), CASSCF and DFT(M062x) methods and triple-zeta basis sets. The calculations yielded a formally triple bond, Btriple bondB, with population of 5.87–4.67e, a double bond Bdouble bondB with population of 4.39–3.58e, a single bond, B–B with population of 2.49–2.04e and one electron bond, B.B with 0.38e. Topological analysis of ρ(r) field has shown the non-nuclear attractor, NNA, for the BB bond in ten molecules (CCSD, DFT) with ropt(B,B) smaller than 1.6 Å. Population of the pseudo-atom basin ranges from 0.28e to 1.42e (CCSD) and from 0.32e to 1.27e (DFT). An overview of the results from topological analysis of ELF together with a detailed discussion of electronic structure for 14 small molecules has been presented. |
Keywords | Chemical bond; One-electron bond; Boron; B-B; Double bond; Triple bond; Quantum chemical topology; QCT; Electron localisation; Topology |
Year | 2020 |
Journal | Journal of Molecular Structure |
Journal citation | 1221, p. 128530 |
Publisher | Elsevier |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.molstruc.2020.128530 |
Official URL | https://www.sciencedirect.com/science/article/pii/S0022286020308553?via=ihub |
Publication dates | |
Online | 05 Dec 2020 |
Publication process dates | |
Accepted | 25 May 2020 |
Deposited | 04 Jan 2024 |
Output status | Published |
https://repository.canterbury.ac.uk/item/96v18/the-nature-of-the-triple-btriple-bondb-double-bdouble-bondb-single-b-b-and-one-electron-b-b-boron-boron-bonds-from-the-topological-analysis-of-electron-localisation-function-elf-perspective
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