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- W2151939626 abstract "The linear chains and monocyclic rings with carbon atoms fewer than 26 were studied at B3LYP/6-311G ∗ level. The change trends that the stabilities of lin- ear chains and monocyclic rings increase with the enlargement of cluster sizes were obtained, respectively. The theoretical calculations for carbon clusters lead to the con- clusions that the small linear isomers of C3∼C9 are more stable than the cyclic isomers and the monocyclic isomers contrarily become more stable than the linear isomers as cluster size is larger than C10, which are consistent with those of early UPS and ion chromatography. Comparing with the stabilities of triplet and singlet states of lin- ear clusters, it was confirmed that the triplet states of even-numbered clusters have higher stabilities, and so do the singlet states of odd-numbered clusters contradicto- rily. The average energies per atom of even-numbered monocyclic rings indicate that (4m+2)-numbered series are aromatic and 4m-numbered series are anti-aromatic. The total energy comparisons give the conclusion that the 2D tetracyclic cluster and the cycloadduts with 24 carbon atoms are absolutely less stable than monocyclic isomer and three fullerenes. Several 3D polycyclic clusters and fullerene with D6d symme- try have middle stabilities. In addition, the theoretical IR spectra of linear chains and odd-numbered monocyclic rings were predicted." @default.
- W2151939626 created "2016-06-24" @default.
- W2151939626 creator A5073070877 @default.
- W2151939626 date "2012-06-01" @default.
- W2151939626 modified "2023-10-16" @default.
- W2151939626 title "DFT studies on configurations, stabilities, and IR spectra of neutral carbon clusters" @default.
- W2151939626 cites W2026106480 @default.
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- W2151939626 doi "https://doi.org/10.4208/jams.091411.101311a" @default.
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