Rotational libration of a double-decker porphyrin visualized

Journal of the American Chemical Society

Volumn 132, Issue 20, 2010, Pages 6870-6871

  Otsuki, Joe ^a,b   Komatsu, Yuji ^a,b   Kobayashi, Daiya ^a,b   Asakawa, Masumi ^a,b   Miyake, Koji ^a,b  

^a NIHON UNIVERSITY   (Japan)

^b NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY AIST   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

FERROCENE UNITS; MACROCYCLIC RINGS; MOLECULAR BEACON; PORPHYRIN COMPLEXES; TETRAKIS;

CERIUM; CERIUM COMPOUNDS; IRON COMPOUNDS; SCANNING TUNNELING MICROSCOPY;

PORPHYRINS;

FERROCENE DERIVATIVE; PORPHYRIN DERIVATIVE;

ARTICLE; CHEMICAL STRUCTURE; ENERGY TRANSFER; KINETICS; MOLECULAR INTERACTION; ROTATION; SCANNING TUNNELING MICROSCOPY;

EID: 77952567797     PISSN: 00027863     EISSN: 15205126     Source Type: Journal    
DOI: 10.1021/ja907077e     Document Type: Article

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30. -1 per molecule. Some orientational changes, such as 90 rotation followed by a-90 rotation, would have been missed in our counting approach. Nevertheless, the small fraction of molecules that changed their orientation at all, and the even smaller number that underwent 180 flips, between consecutive imaging suggest that the likelihood of orientational changes back and forth was also low. Quantitative analysis revealed that the effect was indeed much smaller than the error ranges indicated.