磷原子簇正负离子的激光产生与质谱分析

doi:10.3866/PKU.WHXB19910602

Acta Phys. -Chim. Sin. ›› 1991, Vol. 7 ›› Issue (06): 646-647.doi: 10.3866/PKU.WHXB19910602

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Mass Spectrometry of Laser Generated Positive and Negative Phosphrus Cluster Ions

Huang Rong-Bin; Zhang Peng; Li Wen-Ying; Su Jian-Rui; Zheng Lan-Sun

Department of Chemistry, Xiamen University, Xiamen 361005

Received:1991-06-13 Revised:1991-08-08 Published:1991-12-15
Contact: Zheng Lan-Sun

Abstract

Abstract: 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.

Key words: Phosphrus cluster, Laser generation, Mass spectrometry

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 Phys. -Chim. Sin., 1991, 7(06): 646-647.

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Mass Spectrometry of Laser Generated Positive and Negative Phosphrus Cluster Ions

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