[CP2K-user] 回复：[CP2K:14555] AIMD simulation of a single water molecule

[suncsu]

Hi, 
    You need to provide the inp file so that we can know what the problem is.
    
    suncsu


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发件人:                                                                                                                        "cp2k"                                                                                    <luju... at gmail.com>;
发送时间: 2021年1月15日(星期五) 晚上8:02
收件人: "cp2k"<cp... at googlegroups.com>;

主题: [CP2K:14555] AIMD simulation of a single water molecule



Hi,    I am trying to use CP2K to run NVT simulation for a single water molecule. But I find that the temperature fluctuates seriously. I can not get equilibrium temperature. I set the temprature as 300 K in the input file. But the temperatures in energy file are:
......
      3070         1535.000000         0.002485140       523.162866214
      3071         1535.500000         0.002714404       571.426577303
      3072         1536.000000         0.003027088       637.251846392
      3073         1536.500000         0.003313526       697.551698813
      3074         1537.000000         0.003476351       731.829047391
      3075         1537.500000         0.003472049       730.923409677
      3076         1538.000000         0.003333209       701.695321066
      3077         1538.500000         0.003153364       663.834925398
      3078         1539.000000         0.003034701       638.854429382
      3079         1539.500000         0.003026153       637.054856190
      3080         1540.000000         0.003093963       651.330091922

......
    The last column is temperature. Could anyone help me? I would be very appreciated!
    With my best regards,
    Junbo




 

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