Isolated pentagon rule in buckybowls: a computational study on thermodynamic stabilities and bowl-to-bowl inversion barriers

Dinadayalane, T. C. ; Sastry, G. Narahari (2003) Isolated pentagon rule in buckybowls: a computational study on thermodynamic stabilities and bowl-to-bowl inversion barriers Tetrahedron, 59 (42). pp. 8347-8351. ISSN 0040-4020

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.tet.2003.09.007

Abstract

Computations on a series of sumanene and pinakene isomers reveal that the isolated pentagon species are found to be more stable than non-isolated pentagon structures. However, the present study indicates that there is no correlation between the bowl-to-bowl inversion barrier and the relative stability. Unexpectedly, the least stable isomer has the lowest bowl-to-bowl inversion barrier in pinakene isomers. Thus, curvature cannot be taken as a measure to evaluate the stability of buckybowls. The relative energy ordering and HOMO–LUMO gap correlate well in the series of pinakene isomers considered.

Item Type:Article
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ID Code:106632
Deposited On:28 Jul 2017 09:38
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