Citation: Wu Guo-Hua, Sheng Liu-Si, Gao Hui, Zhang Yun-Wu. Photoionization Studies of m-nitroaniline Using Synchrotron Radiation[J]. Acta Physico-Chimica Sinica, 1997, 13(04): 317-321. doi: 10.3866/PKU.WHXB19970407
间硝基苯胺的同步辐射光电离研究
English
Photoionization Studies of m-nitroaniline Using Synchrotron Radiation
The photoionization and photodissociative ionization processes of m-nitroaniline (CeH6N2O2) have been investigated with synchrotron radiation (SR). The ionization potential (IP) of m-nitroaniline and the appearance potentials (AP) of the ionic fragments from the SR dissociative photoionization of C6H6N2O2 have been measured. Based on the IP(C6H6N2O2), AP(C6H6N+) and the related molecular formation enthalpies, D0(O2N-C6H6N+ )and △Hf(C6H6N+) have been evaluated. The mass spectrum of C6H6N2O2 obtained with SR photoionization has been presented. The most possible channels of dissociative photoionization have been discussed.
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Key words:
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Synchrotron radiation
- / Photoionization
- / Ionization potertial
- / Mass spectrum
- / m-nitroaniline
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