Journal
CHEMICAL PHYSICS LETTERS
Volume 738, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2019.136860
Keywords
Ring molecules; Nanocarbons; Polyynes; BN bonding; DFT
Funding
- Department of Applied Chemistry of the Graduate School of Engineering of Tohoku University
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An explorative quantum chemical study of the boron-nitrogen (BN) analogues of cyclo[18]carbon (C-18) is performed. The molecular geometries of nineteen BN analogues were optimized and their relative stability, normal modes of vibration, frontier orbitals, and the topology of the electronic charge densities were analyzed. The geometry predicted for the inorganic analogue B9N9 is a nearly-perfect nonagon with nine NBN edges and a HOMO-LUMO gap significantly larger (9.04 vs 5.71 eV) than that of C-18. Thus the higher kinetic stability expected for B9N9 makes it an interesting synthetic target.
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