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Citation: Sheng Liu-Si, Qi Fei, Gao Hui, Zhang Yun-Wu, Yu Shu-Qin. Vacuum-ultraviolet Photoion Spectrum of Vinyl Chloride Near Ionization Threshlod[J]. Acta Physico-Chimica Sinica, ;1997, 13(07): 647-649. doi: 10.3866/PKU.WHXB19970715 shu

Vacuum-ultraviolet Photoion Spectrum of Vinyl Chloride Near Ionization Threshlod

1.
National Synchrotron Radiation Laboratory,University of Science and Technology of China,Hefei 230026

Received Date: 26 November 1996
Available Online: 15 July 1997

The photoionization efficiency curve (PIE) of C2H3Cl+ formation from C2H3Cl has been measured in wavelength region 105.0- 130.0nm, by using synchrotron radiation single- photon ionization and a quadrupole mass spectromemter as a detector. A series of peaks in region 106.0-117.0nm arise from Rydberg autoionization converging to A2A' state of the vinyl chloride ion, the average quantum defects are δ(ns) = 1.87, δ(np) = 1.51,δ(nd) = 0.22 respectively. The Rydberg transitions of π(2a") → 4d, π(2a") →5d, π(2a")→6s, π(2a") →7s have been assigned also.
- Synchrotron radiation,
- Photoionization,
- Vinyl chloride(C₂H₃Cl),
- Rydlberg state
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