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Volumn 46, Issue 8, 2007, Pages 1256-1259

Violating the isolated pentagon rule (IPR): The endohedral non-IPR C 70 cage of Sc3N@C70

Author keywords

Endohedral fullerenes; Isolated pentagon rule; Nitride clusters; Quantum chemical calculations; Vibrational spectroscopy

Indexed keywords

DENSITY FUNCTIONAL THEORY; MOLECULAR STRUCTURE; QUANTUM CHEMISTRY; VIBRATIONAL SPECTROSCOPY;

EID: 34247550648     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200603281     Document Type: Article
Times cited : (138)

References (48)
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    • 70 is comparable or even higher (up to 0.5 eV), the predicted HOMO-LUMO gap would still be less than 1 eV and therefore much smaller than the measured value (1.3 eV).
    • 70 is comparable or even higher (up to 0.5 eV), the predicted HOMO-LUMO gap would still be less than 1 eV and therefore much smaller than the measured value (1.3 eV).
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    • 70 (8148, see P. W. Fowler, D. E. Manolopoulos, An Atlas of Fullerenes, Clarendon Press, Oxford, 1995) is very high, it was necessary to establish some criteria to exclude those non-IPR cages that are highly strained and unfavorable, and consequently to reduce the set of probable structures.
    • 70 (8148, see P. W. Fowler, D. E. Manolopoulos, An Atlas of Fullerenes, Clarendon Press, Oxford, 1995) is very high, it was necessary to establish some criteria to exclude those non-IPR cages that are highly strained and unfavorable, and consequently to reduce the set of probable structures.
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    • 72. In all these cases the pairs of adjacent pentagons are coordinated to the endohedral metal atoms.
    • 72. In all these cases the pairs of adjacent pentagons are coordinated to the endohedral metal atoms.
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    • Since in trimetallic nitride cluster fullerenes six electrons of the cluster are formally transferred to the carbon cage, the analysis of the relative energies and HOMO-LUMO gaps in hexaanions (rather than in the neutrally charged isomers) is reasonable (see also references [11c, 12e, 22]).
    • Since in trimetallic nitride cluster fullerenes six electrons of the cluster are formally transferred to the carbon cage, the analysis of the relative energies and HOMO-LUMO gaps in hexaanions (rather than in the neutrally charged isomers) is reasonable (see also references [11c, 12e, 22]).
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    • Similarly good agreements of the DFT-simulated IR spectra with the measured ones were observed for Sc3N@C68 (D 3) and Sc3N@C78 (D3h, The systematic underestimation of the computed frequencies of these latter compounds was already documented see references [11c, 12e, to be around 10 cm-1. Thus, the code used for DFT calculations is reliable and the assignment of the cage structure by this method is confirmed
    • -1. Thus, the code used for DFT calculations is reliable and the assignment of the cage structure by this method is confirmed.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.