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Título: | Aromaticity of benzenoid hydrocarbons with inserted -B=B- and -BH-BH- groups: A comparison |
Autor: | Zborowski, K. K.; Alkorta, Ibon CSIC ORCID ; Elguero, José CSIC ORCID | Palabras clave: | Aromaticity HOMA NICS Boron compounds Substituted benzenoid hydrocarbons |
Fecha de publicación: | 2016 | Editor: | Springer Nature | Citación: | Structural Chemistry 27: 91-99 (2016) | Resumen: | Structures of selected polycyclic conjugated hydrocarbons with -B=B- and -BH-BH- moieties inserted in different places were calculated at the B3LYP/6-311++Glevel and their aromatic properties evaluated. HOMA, NICS(0), NICS(1)zz, Λ and PDI indices were used for studying their aromatic properties. Both optimized planar (as in parent hydrocarbons) and non-planar structures were taken into account. It is shown that insertion of both types of boron groups disturbs and decreases the aromaticity of the corresponding hydrocarbons. The decreasing effect of the -BH-BH- group is much stronger. What is quite intriguing is that it appears that non-planar structures of the studied compounds have a little higher aromaticity than the strictly planar ones. Mutual correlations between results obtained by different aromaticity indices are calculated and thoroughly discussed. | Versión del editor: | http://dx.doi.org/10.1007/s11224-015-0721-6 | URI: | http://hdl.handle.net/10261/133568 | DOI: | 10.1007/s11224-015-0721-6 | Identificadores: | doi: 10.1007/s11224-015-0721-6 issn: 1040-0400 e-issn: 1572-9001 |
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