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Citation: TAN Tian, YANG Jia-Hui, ZHU Chun-Hua, WANG Guan-Wu, CHEN Jia-Fu, SU Ji-Hu. AWeak Intercage C―C Bond in a [C₆₀]fullerene Dimer Studied by In situ Variable Temperature EPR Spectroscopy[J]. Acta Physico-Chimica Sinica, ;2016, 32(8): 1929-1932. doi: 10.3866/PKU.WHXB201605092 shu

AWeak Intercage C―C Bond in a [C₆₀]fullerene Dimer Studied by In situ Variable Temperature EPR Spectroscopy

1.
Hefei National Laboratory for Physical Science at Microscale, Department of Modern Physics, University of Science and Technology of China, Hefei 230026, P. R. China;
2.
Hefei National Laboratory for Physical Science at Microscale, Department of Chemistry, University of Science and Technology of China, Hefei 230026, P. R. China

Received Date: 22 March 2016
Revised Date: 5 May 2016

Fund Project: The project was supported by the National Key Basic Research Program of China (973) (2013CB921802).

This work studied the thermodynamic properties of a single intercage C―C bond in a [C₆₀]fullerene dimer, (C₆₀)2-[P(O)(OCH₃)]₂, previously synthesized by Wang et al. (Chem. Commun. 2011, 47, 6111). Data obtained from in situ variable temperature electron paramagnetic resonance (EPR) indicated a relatively low bond dissociation enthalpy (BDE) for this bond of 72.4 kJ ·mol^-1 (17.3 kcal ·mol^-1). This value is only approximately twice that of a typical hydrogen bond, or one fifth of the values determined for bonds in diamond or saturated hydrocarbons. The application of this pre-synthesized dimer to the formation of aligned fullerenes is discussed.
- [C₆₀]fullerene dimer,
- Singly intercage C―C bond,
- Thermodynamic property,
- Bond dissociation enthalpy,
- Electron paramagnetic resonance spectroscopy
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沈阳化工大学材料科学与工程学院沈阳 110142

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AWeak Intercage C―C Bond in a [C60]fullerene Dimer Studied by In situ Variable Temperature EPR Spectroscopy

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通讯作者: 陈斌, bchen63@163.com

AWeak Intercage C―C Bond in a [C₆₀]fullerene Dimer Studied by In situ Variable Temperature EPR Spectroscopy