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Full Quantum State Resolved Scattering Dynamics of the F+H2→HF+H Reaction at 5.02 kJ/mol
Ming-hui Qiu1,2, Ze-feng Ren1, Li Che1, Dong-xu Dai1, Steve A. Harich1, Xiu-yan Wang,1, Xue-ming Yang*1
1.State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China;2.b. Department of Physics, Dalian Jiaotong University, Dalian 116028, China
Abstract:
A crossed molecular beams, state-to-state scattering study was carried out on the F+H2→HF+H reaction at the collision energy of 5.02 kJ/mol, using the highly sensitive H atom Rydberg tagging time-of-flight method. All the peaks in the TOF spectra can be clearly assigned to the ro-vibrational structures of the HF product. The forward scattering of the HF product at v′=3 has been observed. The small forward scattering of the HF product at v′=2 has also been detected. Detailed theoretical analysis is required in order to fully understand the dynamical origin of these forward scattering products at this high collision energy.
Key words:  Crossed molecular beams, Reactive scattering, State-to-state dynamics, Reaction resonance
FundProject:
附件
F+H2→HF+H反应的全量子态分辨的散射动力学研究
邱明辉1,2, 任泽峰1, 车丽1, 戴东旭1, 史提夫1, 王秀岩1, 杨学明*1
1.中国科学院大连化学物理研究所分子反应动力学国家重点实验室,大连,116023;2.大连交通大学物理系,大连,116028
摘要:
利用高灵敏度的氢原子里德堡飞渡时间谱方法研究了F+H2→HF+H反应碰撞能在5.02 kJ/mol下的交叉分子束反应态态散射动力学.所有在时间飞渡谱中被观测到的谱峰可以归属为HF产物的振转态结构.还观测到了明显的HF(v'=3)前向散射,以及少许的HF(v'=2)前向散射.
关键词:  交叉分子束  反应散射  态态动力学  反应共振
DOI:10.1360/cjcp2006.20(2).93.3
分类号: