Tian-gang Yang, Long Huang, Yu-run Xie, Tao Wang, Chun-lei Xiao, Zhi-gang Sun, Dong-xu Dai, Mao-du Chen, Dong H. Zhang, Xue-ming Yang. Effect of Reagent Rotational Excitation on Dynamics of F+H2→HF+H[J]. Chinese Journal of Chemical Physics , 2015, 28(4): 471-475. doi: 10.1063/1674-0068/28/cjcp1505111
Citation: Tian-gang Yang, Long Huang, Yu-run Xie, Tao Wang, Chun-lei Xiao, Zhi-gang Sun, Dong-xu Dai, Mao-du Chen, Dong H. Zhang, Xue-ming Yang. Effect of Reagent Rotational Excitation on Dynamics of F+H2→HF+H[J]. Chinese Journal of Chemical Physics , 2015, 28(4): 471-475. doi: 10.1063/1674-0068/28/cjcp1505111

Effect of Reagent Rotational Excitation on Dynamics of F+H2→HF+H

doi: 10.1063/1674-0068/28/cjcp1505111
  • Received Date: 2015-05-29
  • The dynamics of the F+H2(v=0,j=0, 1) reactions have been studied at the collision energy of 1.27 kcal/mol using a high-resolution crossed molecular beam apparatus. HF product rotational state resolved differential cross sections have been obtained at the v′=1, 2, 3 levels. The product HF(v′=2) angular distributions are predominantly backward scattered for both H2 (j=0, 1) reagents. However, the distributions of product HF(v′=2) rotational states for theF+H2(v=0,j=0) reaction are signi cantly di erent from those for the F+H2(v=0,j=1) reaction. Experimental results show that the rotational excitation of H2 produces rotationally ‘hotter’ HF(v′=2) product. In addition, the HF(v′=3) product is more likely scattered into the forward direction when the H2 reagent is populated at j=0 state, which could be attributed to a slow-down mechanism.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Effect of Reagent Rotational Excitation on Dynamics of F+H2→HF+H

doi: 10.1063/1674-0068/28/cjcp1505111

Abstract: The dynamics of the F+H2(v=0,j=0, 1) reactions have been studied at the collision energy of 1.27 kcal/mol using a high-resolution crossed molecular beam apparatus. HF product rotational state resolved differential cross sections have been obtained at the v′=1, 2, 3 levels. The product HF(v′=2) angular distributions are predominantly backward scattered for both H2 (j=0, 1) reagents. However, the distributions of product HF(v′=2) rotational states for theF+H2(v=0,j=0) reaction are signi cantly di erent from those for the F+H2(v=0,j=1) reaction. Experimental results show that the rotational excitation of H2 produces rotationally ‘hotter’ HF(v′=2) product. In addition, the HF(v′=3) product is more likely scattered into the forward direction when the H2 reagent is populated at j=0 state, which could be attributed to a slow-down mechanism.

Tian-gang Yang, Long Huang, Yu-run Xie, Tao Wang, Chun-lei Xiao, Zhi-gang Sun, Dong-xu Dai, Mao-du Chen, Dong H. Zhang, Xue-ming Yang. Effect of Reagent Rotational Excitation on Dynamics of F+H2→HF+H[J]. Chinese Journal of Chemical Physics , 2015, 28(4): 471-475. doi: 10.1063/1674-0068/28/cjcp1505111
Citation: Tian-gang Yang, Long Huang, Yu-run Xie, Tao Wang, Chun-lei Xiao, Zhi-gang Sun, Dong-xu Dai, Mao-du Chen, Dong H. Zhang, Xue-ming Yang. Effect of Reagent Rotational Excitation on Dynamics of F+H2→HF+H[J]. Chinese Journal of Chemical Physics , 2015, 28(4): 471-475. doi: 10.1063/1674-0068/28/cjcp1505111

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