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xcid

银虫 (小有名气)

[求助] VASP+phonopy 声子谱纵轴频率单位

横轴是波矢,纵轴是频率,数值为-10—30,(负值表示虚频),但我不知道单位是多少,头疼,我看其他人以cm-1为波数单位画的图,最大值达到600~800,我不知道换算关系。求大侠指教
phonopy.png(68.55KB)
http://kuai.xunlei.com/d/LnU4DYXcS3HpUAQAfe0?p=130497
phonopy.png(68.55KB)
http://kuai.xunlei.com/d/LnU4DYXcS3HpUAQAfe0?p=130497
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rex881026

木虫 (小有名气)

【答案】应助回帖

★
感谢参与,应助指数 +1
csgt0: 金币+1, 谢谢 2013-01-07 14:00:11
1 THz = 4.135 7 meV = 0.095 369 kcal/mol = 33.356 44 cm−1= 47.993 K
2楼2013-01-07 13:48:48
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