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Citation: Huang Rong-Bin, Zhang Peng, Li Wen-Ying, Su Jian-Rui, Zheng Lan-Sun. Mass Spectrometry of Laser Generated Positive and Negative Phosphrus Cluster Ions[J]. Acta Physico-Chimica Sinica, ;1991, 7(06): 646-647. doi: 10.3866/PKU.WHXB19910602 shu

Mass Spectrometry of Laser Generated Positive and Negative Phosphrus Cluster Ions

1.
Department of Chemistry, Xiamen University, Xiamen 361005

Received Date: 13 June 1991
Available Online: 15 December 1991

Both positive and negative phosphrus cluster ions were generated on a homemade laser-probe time-of-flight mass spectrometer. P_6~+ has the highest intensity in positive ion mass spectrum, and P_5~- for negative ions. It is proposed that both P_6~+ and P_5~- adopt the planar monocyclic configuration and are aromatic according to Hückel Rule. Further analysis of mass spectra shows that all cluster anions are composed of 5-membered rings and cations arc composed of 6-membered rings.
- Phosphrus cluster; Laser generation; Mass spectrometry
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