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Novel gaseous transient species:generation and characterization

science china {2. 2007年第2期50卷 145-169页

作者： zeng xiaoqing1,2.& wang dianxun11 state key laboratory for structural chemistry of unstable and stable species,{2.,Chinese academy of sci-ences,beijing 100080,china 2.Graduate School of Chinese academy of sciences,beijing 100039,china 1. state key {2. for structural chemistry of unstable and stable species Institute of Chemistry Chinese Academy of Sciences Beijing 100080 China 2. Graduate School of Chinese academy of sci{2. Beijing 100039 China

Due to special properties of transient species, such as short-lived, unstable, reactive, and even explosive, the generation and subsequent characterization is a great challenge for experimental chemists. In our {2., systematic researches have been carried out to investigate novel transient species: reactive halogen species (RHS), short-lived free radicals, and metastable pseudohalogen compounds, based on the successive technical improvements on the Hel Photoelectron spectroscopy (PES). In this review, the topic mainly focuses on innovative methods of generating novel transient species, and subsequent geometric and electronic structure characterizations of these species combined with quantum chemical calculations.

关键词： reactive halogen species radicals pseudohalogen compounds Hel Photoelectron Spectroscopy (PES) quantum chemical calculations

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A novel heterogeneous reaction for generating gaseous nitrous acid

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Chinese science Bulletin 2007年第22期52卷 3056-3060页

作者： wang WeiGang GE MaoFa YAO Li zeng {2. wang ZiFa beijing National laboratory for Molecular {2.ences and State Key Laboratory for Structural Chemistry of Unstable and Stable Species Institute of Chemistry Chinese Academy of Sciences Beijing 100080 China state key {2. of Atmospheric Boundary Layer Physics and Atmospheric chemistry Institute of Atmospheric Physics Chi- nese Academy of Sciences Beijing 100029 China

The short-lived reactive specimen nitrous acid HONO was generated in the gas phase by the hetero-geneous reaction of gaseous HCl with AgNO2.which can generate higher concentration of HONO than other methods. We investigated the process from generation to dissociation in the gas phase under different controlled temperatures,and discussed the ionization and reaction on the solid surface by combination of the photoelectron spectroscopy and photoionization mass spectroscopy(PES-PIMS) and in situ diffuse reflectance infrared Fourier transform spectroscopy(DRIFTS) .

关键词：亚硝酸气体网络技术异构性化学结构

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