Abstract:Quantum chemical calculations using DFT and NBO, ETS-NOCV, QTAIM and ELF interpretative approaches have been carried out on <b>X</b>-BH<sub>2</sub><sup>+</sup> borenium complexes for 39 divalent C-donor ligands <b>X</b> including various N-heterocyclic carbenes and carbones. The C-B bond length and the barrier of rotation around the C-B bond were calculated and compared with various descriptors of the C-B pi-bond strength obtained from the orbital localization, e… Show more
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