CO气体在5 000 K和25 GPa条件下的动力学研究

李晓凤 彭卫民 赵峰 张艳丽 姬广富 崔红玲

李晓凤, 彭卫民, 赵峰, 张艳丽, 姬广富, 崔红玲. CO气体在5 000 K和25 GPa条件下的动力学研究[J]. 高压物理学报, 2009, 23(2): 130-136 . doi: 10.11858/gywlxb.2009.02.009
引用本文: 李晓凤, 彭卫民, 赵峰, 张艳丽, 姬广富, 崔红玲. CO气体在5 000 K和25 GPa条件下的动力学研究[J]. 高压物理学报, 2009, 23(2): 130-136 . doi: 10.11858/gywlxb.2009.02.009
LI Xiao-Feng, PENG Wei-Min, ZHAO Feng, ZHANG Yan-Li, JI Guang-Fu, CUI Hong-Ling. The Dynamic Behavior of CO at 5 000 K and 25 GPa[J]. Chinese Journal of High Pressure Physics, 2009, 23(2): 130-136 . doi: 10.11858/gywlxb.2009.02.009
Citation: LI Xiao-Feng, PENG Wei-Min, ZHAO Feng, ZHANG Yan-Li, JI Guang-Fu, CUI Hong-Ling. The Dynamic Behavior of CO at 5 000 K and 25 GPa[J]. Chinese Journal of High Pressure Physics, 2009, 23(2): 130-136 . doi: 10.11858/gywlxb.2009.02.009

CO气体在5 000 K和25 GPa条件下的动力学研究

doi: 10.11858/gywlxb.2009.02.009
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    通讯作者:

    姬广富

The Dynamic Behavior of CO at 5 000 K and 25 GPa

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    Corresponding author: JI Guang-Fu
  • 摘要: 利用第一性原理分子动力学方法,对炸药降解产物CO在温度5 000 K、压力25 GPa条件下的化学过程进行了研究。计算得到的最终产物主要由C3O2、CO2和C2O2组成。通过对CO、C3O2、CO2和C2O2组成的混合物体系的振动性质进行分析,发现计算得到的红外光谱与一些理论和实验结果一致;体系的径向分布函数表明,最终产物具有高密度流体的特征;同时还分析了CO、C3O2和CO2的态密度。结果表明:CO在温度5 000 K、压力25 GPa 这一特定条件下的反应主要归因于高温高压下CO分子间的剧烈碰撞;在形成这些产物的过程中没有发现有明显的过渡态存在。

     

  • Katz A I, Schiferl D, Mills R L. New Phases and Chemical Reactions in Solid Carbon Monoxide under Pressure [J]. J Phys Chem, 1984, 88(15): 3176-3179.
    Mills R L, Olinger B, Cromer D T. Structures and Phase Diagrams of N2 and CO to 13 GPa by X-Ray Diffraction [J]. J Chem Phys, 1986, 84(5): 2837-2845.
    Reichlin R, Schiferl D, Martin S, et al. Optical Studies of Nitrogen to 130 GPa [J]. Phys Rev Lett, 1985, 55(14): 1464-1467.
    Lipp M, Evans W J, Garcia-Baonza V, et al. Carbon Monoxide: Spectroscopic Characterization of the High-Pressure Polymerized Phase [J]. J Low Temp Phys, 1998, 111(3-4): 247-256.
    Mills R L, Schiferl D, Katz A I, et al. New Phase and Chemical Reactions in Solid CO under Pressure [J]. J Phy(Pairs) Colloq, 1984, 45(C8): 187-190.
    Lipps M J, Evans W J, Baer B J, et al. High Energy Density Extended CO Solid [J]. Nat Mater, 2005, 4: 211-215.
    Evans W J, Lipps M J, Yoo C S, et al. Pressure-Induced Polymerization of Carbon Monoxide: Disproportionation and Synthesis of an Energetic Lactonic Polymer [J]. Chem Mater, 2006, 18(10): 2520-2531.
    Bernard S, Chiarotti G L, Scandolo S, et al. Decomposition and Polymerization of Solid Carbon Monoxide under Pressure [J]. Phys Rev Lett, 1998, 81(10): 2092-2095.
    Ji G F, Li X F, Zhang Y L, et al. The Investigations of the Chemical Reaction of Carbon Monoxide under Pressure and Temperature [A]//The 8th Nationwide Discussing Conference of Shocking Dynamics [C]. Yinchuan, 2006: 347-350. (in Chinese)
    姬广富, 李晓凤, 张艳丽, 等. CO在高温高压下的反应动力学研究 [A]//第八届全国冲击动力学学术讨论会会议文集 [C]. 银川, 2006: 347-350.
    Martyna G J, Tobias J T, Klein M L. Constant Pressure Molecular Dynamics Algorithms [J]. J Chem Phys, 1994, 101(5): 4177-4189.
    Quigley D, Probert M I J. Langevin Dynamics in Constant Pressure Extended Systems [J]. J Chem Phys, 2004, 120(24): 11432-11441.
    Payne M C, Teter P, Allen D C, et al. Iterative Minimization Techniques for Ab Initio Total-Energy Calculations: Molecular Dynamics and Conjugate Gradients [J]. Rev Mod Phys, 1992, 64(4): 1045-1097.
    Milman V, Winkler B, White J A, et al. Electronic Structure, Properties, and Phase Stability of Inorganic Crystals: A Pseudopotential Plane-Wave Study [J]. Int J Quantum Chem, 2000, 77(5): 895-910.
    Perdew J P, Wang Y. Accurate and Simple Analytic Representation of the Electron-Gas Correlation Energy [J]. Phys Rev B, 1992, 45(23): 13244-13249.
    Hamann D R, Schluter M, Chiang C. Norm-Conserving Pseudopotentials [J]. Phys Rev Lett, 1979, 43(20): 1494-1497.
    Nos S. A Molecular Dynamics Method for Simulations in the Canonical Ensemble [J]. Mol Phys, 1984, 52(2): 255-268.
    Parrinello M, Rahman A. Polymorphic Transitions in Single Crystals: A New Molecular Dynamics Method [J]. J Appl Phys, 1981, 52(12): 7182-7190.
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出版历程
  • 收稿日期:  2008-04-23
  • 修回日期:  2008-06-23
  • 发布日期:  2009-04-15

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