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Is NMR the tool to characterize the structure of C-20 isomers?

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons48738

Sebastiani,  Daniel
MPI for Polymer Research, Max Planck Society;

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Zitation

Romero, A. H., Sebastiani, D., Ramirez, R., & Kiwi, M. (2002). Is NMR the tool to characterize the structure of C-20 isomers? Chemical Physics Letters, 366(1-2), 134-140.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-6494-B
Zusammenfassung
We investigate the feasibility of using nuclear magnetic resonance (NMR) chemical shift calculations as a tool to provide structural information for C-20 fullerene type molecules. NMR chemical shifts are extremely sensitive to the local chemical environment of an atom, reflecting unambiguously its bond lengths and angles as well as its hybridization. Thus, they can distinguish between the different isomers that are candidates for the ground state of this molecule. We calculate the NMR shifts for several C-20 isomers and show that NMR constitutes a potential tool to discriminate and identify experimentally a particular C-20 molecular conformation, and also the level of theory which best describes the experimental structure. (C) 2002 Elsevier Science B.V. All rights reserved.