Isotope Effect in the Photodissociation of Ammoniated Ammonium Ions by CO_2 Laser
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概要
- 論文の詳細を見る
CO2 laser induced photodissociations of NH4+·nNH3 and of ND4+·nND3 were examined by a tandem mass spectrometer (TMS). Photodissociation took place for NH4+·nNH3 with n≥5. No photodissociation was observed for ND4+·nND3. It depended on the laser intensity, wave number, and cluster size. The maximum yield of NH4+·5NH3 dissociation was obtained at 1080 cm-1, and that of NH4+·7NH3 shifted to 1075 cm-1. Two molecules dissociation was observed in addition to one molecule dissociation. The yield of one molecule dissociation increased linearly with the laser intensity, indicating that the dissociation is a single photon process. Elementary processes which affect isotope effect in the dissociation are discussed.
- 日本質量分析学会の論文
- 1995-10-30
著者
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SUZUKI Kazuya
Japan Chemical Innovation Institute
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Soga Takeshi
Japan Atomic Energy Research Institute
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IKEZOE Yasumasa
Japan Atomic Energy Research Institute
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OHNO Shin-ichi
Tokai University
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Suzuki Kazuya
Japan Atomic Energy Research Institute
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