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Volumn 128, Issue 14, 2006, Pages 4854-4864

Surface-rolling molecules

Author keywords

[No Author keywords available]

Indexed keywords

DESIGN; FULLERENES; MOLECULAR STRUCTURE; NANOSTRUCTURED MATERIALS; SYNTHESIS (CHEMICAL);

EID: 33646018644     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja058514r     Document Type: Article
Times cited : (209)

References (65)
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    • special issue on macromolecular machines
    • (b) For recent reviews on biomolecular machines, see: Cell (special issue on macromolecular machines) 1998, 92, 291-390.
    • (1998) Cell , vol.92 , pp. 291-390
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    • 0034852567 scopus 로고    scopus 로고
    • molecular machines special issue
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    • 0004240038 scopus 로고    scopus 로고
    • Feringa, B. E., Ed.; Wiley-VCH: Weinheim, Germany
    • (d) Molecular Switches; Feringa, B. E., Ed.; Wiley-VCH: Weinheim, Germany, 2001.
    • (2001) Molecular Switches
  • 35
    • 15744375697 scopus 로고    scopus 로고
    • Gaussian, Inc.: Wallingford, CT. see Supporting Information for the full author list
    • Frisch, M. J.; et al. Gaussian 03, revision C.02; Gaussian, Inc.: Wallingford, CT. 2004 (see Supporting Information for the full author list).
    • (2004) Gaussian 03, Revision C.02
    • Frisch, M.J.1
  • 37
    • 33646061515 scopus 로고    scopus 로고
    • note
    • It appears that the main contribution to this rotational barrier is the very weak interaction between the acidic proton on the fullerene cage and the lone pair electrons on the oxygen atom in the methoxy group because such interaction is missing in the other two model compounds and ethyl and methoxy groups should be similar in terms of sterics. Further confirmation applying B3LYP/6-31G* level of theory to the O and 180° rotations of the methoxy model predicted the barrier height to be only 0.54 kcal/mol.
  • 42
  • 44
    • 33646073600 scopus 로고    scopus 로고
    • note
    • The formation of two fused 1,4-dioxane structures (below) could not be spectroscopically ruled out; however, since deprotection was imminent, no further effort was given to the determination.
  • 48
    • 33646022114 scopus 로고    scopus 로고
    • note
    • See Supporting Information for more detail of solid state NMR experiments.
  • 58
    • 33646023577 scopus 로고    scopus 로고
    • note
    • 15N CPMAS spectrum of the model compound dibenzo[a,c]phenazine.
  • 60
    • 33646031689 scopus 로고    scopus 로고
    • note
    • See Supporting Information for the STM images of nanotrucks 1a and 1b.
  • 61
    • 33646049232 scopus 로고    scopus 로고
    • note
    • The observed 2-D motion of the molecules, instead of the expected 1-D motion, can be explained by the ability of the fullerenes to rotate independently of one another, giving rise to a pivoting motion of the molecule on the small atomic corrugation of a Au(111) substrate.
  • 62
    • 33646035391 scopus 로고    scopus 로고
    • A supplemental movie for this series of images can be found at our website: http//tourserver.rice.edu/movies/.
  • 63
    • 33646059682 scopus 로고    scopus 로고
    • note
    • The onset temperature for decomposition as studied by thermogravimetric analysis on fullerene-wheel model compounds: see Supporting Information.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.