Hemicarceplex formation allows ready identification of the isomers of the metallofullerene Sc3N@C80 using 1H and 13C NMR spectroscopy

Min-Yen Ku; Shing-Jong Huang; Shou-Ling Huang; Yi-Hung Liu; Chien-Chen Lai; Shie-Ming Peng; Sheng-Hsien Chiu

doi:10.1039/C4CC04695A

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Hemicarceplex formation allows ready identification of the isomers of the metallofullerene Sc₃N@C₈₀ using ¹H and ¹³C NMR spectroscopy†

Min-Yen Ku,^a Shing-Jong Huang,^a Shou-Ling Huang,^a Yi-Hung Liu,^a Chien-Chen Lai,^b Shie-Ming Peng^a and Sheng-Hsien Chiu*^a

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* Corresponding authors

^a Department of Chemistry and Center for Emerging Material and Advanced Devices, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan, Republic of China
E-mail: shchiu@ntu.edu.tw

^b Institute of Molecular Biology, National Chung Hsing University and Department of Medical Genetics, China Medical University Hospital, Taichung, Taiwan, Republic of China

Abstract

A cyclotriveratrylene-based molecular cage forms hemicarceplexes that significantly increase the solubility of commercially available Sc₃N@C₈₀ in CDCl₃. When incarcerated within the molecular cage, the two structural isomers of this metallofullerene, Sc₃N@D_5h-C₈₀ and Sc₃N@I_h-C₈₀, displayed characteristic signals in both ¹H and ¹³C NMR spectra, allowing direct identification of each isomer without the need to enrich the sample with ¹³C atoms.

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Article information

DOI: https://doi.org/10.1039/C4CC04695A
Article type: Communication
Submitted: 20 Jun 2014
Accepted: 06 Aug 2014
First published: 21 Aug 2014

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Chem. Commun., 2014,50, 11709-11712

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Hemicarceplex formation allows ready identification of the isomers of the metallofullerene Sc₃N@C₈₀ using ¹H and ¹³C NMR spectroscopy

M. Ku, S. Huang, S. Huang, Y. Liu, C. Lai, S. Peng and S. Chiu, Chem. Commun., 2014, 50, 11709 DOI: 10.1039/C4CC04695A

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