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Structural effects of alkali-metals on the B12skeleton

dc.contributor.authorHernández-Juárez G.
dc.contributor.authorRavell E.
dc.contributor.authorArcudia J.
dc.contributor.authorZarate X.
dc.contributor.authorCui Z.-H.
dc.contributor.authorMerino G.
dc.contributor.authorBarroso J.
dc.date.accessioned2020-09-02T22:20:02Z
dc.date.available2020-09-02T22:20:02Z
dc.date.issued2020
dc.identifier10.1039/d0cp02750b
dc.identifier.citation22, 30, 17344-17350
dc.identifier.issn14639076
dc.identifier.urihttps://hdl.handle.net/20.500.12728/4854
dc.descriptionAfter an exhaustive exploration of the potential energy surface of B12E- and B12E2 (E = Li-Cs) systems, it was found that for the anionic series, a cage-type and a quasi-planar structure (very similar to the naked B12 cluster) compete to be the putative global minimum. For neutral systems, competition arises between the quasi-planar cluster and a double-ring with the alkali-metals on the highest-symmetry axis. The chemical bonding analyses show that for the entire series, the interaction, predominantly electrostatic, is essentially indistinguishable regardless of the alkali-metal and insufficient for determining the isomeric preference. The isomerization energy decomposition analysis (IEDA) reveals that in the anions, the structural change in the lighter complexes is possible because of the relatively low energy required for the boron skeleton deformation, as opposed to the case of heavy metals. In the case of the neutral systems, the factor determining one isomer over the other corresponds to that of the energy deformation of the alkali-metal dimer. © 2020 the Owner Societies.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.titleStructural effects of alkali-metals on the B12skeleton
dc.typeArticle


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