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Citation: Wang Wu-Min, Hou Hui-Qi, Qin Qi-Zong, Qian Yi-Le, Fang Li, Zheng Hai-Yang. Multiphoton Ionization and Dissociation of Mn₂(CO)₁₀ in a Supersonic Molecular Beam[J]. Acta Physico-Chimica Sinica, ;1995, 11(02): 189-192. doi: 10.3866/PKU.WHXB19950219 shu

Multiphoton Ionization and Dissociation of Mn₂(CO)₁₀ in a Supersonic Molecular Beam

1.
Laser Chemistry Laboratory,Fudan Univeristy,Shanghai 200433

Received Date: 10 January 1994
Available Online: 15 February 1995

The multiphoton ionization and dissociation of Mn2(CO)10 in a supersonic moleclar beam is investigated with a XeCl excimer laser (308nm) and a tunable dye laser(430 ~ 448nm). The main fragment ions detected by a time-of-flight mass spectrometer include Mn+, Mn(CO)x+(x≦5), Mn2(CO)y+ (y≦9) and the parent molecular ionMn2(CO)10+. Additionally, metal cluster ions Mni+(i=2,3,4) and metal carbonyl cluster ions Mn3(CO)9,10+ and Mn4(CO)10+ are also detected. The Mn+ ion might be produced via a sequential photodissociation to form Mn atoms. The mechanism of the laserinduced multiphoton ionization and dissociation is discussed.
- Mn₂(CO)₁₀,
- Multiphoton ionization/dissociation,
- Chemical kinetics
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Multiphoton Ionization and Dissociation of Mn2(CO)10 in a Supersonic Molecular Beam

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Multiphoton Ionization and Dissociation of Mn₂(CO)₁₀ in a Supersonic Molecular Beam