GROUP TRANSFER AND DIMERIZATION PROCESSES OF C60(CN)2 UNDER ATMOSPHERIC PRESSURE IONIZATION CONDITIONS |
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| Authors: | Zhiyong Suo Xianwen Wei Yuhua Mei Kuang Lin Zheng Xu |
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| Affiliation: |
a Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, P.R. China |
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| Abstract: | Neutral and anionic C60(CN)2 were investigated with electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) mass spectrometry. It was observed that its anions underwent cyano- group and oxygen transfer, and dimerization processes in ESI conditions to form C60(CN)3H-, C60(CN)2(OH2)-, C60(CN)3H]-2, C60(CN)2(OH2)]-2 and (C60)2(CN)2(OH)]-. Meanwhile, neutral C60(CN)2, for which no signal was observed in ESIMS, showed a base peak corresponding to C60(CN)2Cl- in APCIMS spectra with CHCl3 used as solvent, while only a molecular ion peak corresponding to C60(CN)-2 was observed for the toluene solution of neutral C60(CN)2 in the same conditions. Possible mechanisms for group transfer and dimerization were proposed based on these observations. |
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| Keywords: | Dicyanodihydrofullerene Group transfer Dimerization Electrospray ionization Atmospheric pressure chemical ionization |
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