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shiling1813新蟲 (小有名氣)
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[求助]
CASTEP中聲子計(jì)算結(jié)果中振動(dòng)頻率單位及具體數(shù)值怎么換算?
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大家好,請(qǐng)教個(gè)問題: CASTEP中聲子計(jì)算結(jié)果中振動(dòng)頻率單位及具體數(shù)值怎么換算? 下面是我計(jì)算的石墨烯原胞(含兩個(gè)原子)模型的聲子計(jì)算部分結(jié)果,其中振動(dòng)頻率為什么是1/cm?這個(gè)單位和赫茲Hz之間怎么換算的?而且每個(gè)波矢后面還列出了一個(gè)數(shù)值(百度網(wǎng)上說,這是一個(gè)因子)。不知道振動(dòng)頻率單位及具體數(shù)值怎么換算,困惑啊。 BEGIN header Number of ions 2 Number of branches 6 Number of wavevectors 44 Frequencies in cm-1 IR intensities in (D/A)**2/amu Raman intensities in A**4 Unit cell vectors (A) 2.130422 -1.229999 0.000000 0.000000 2.459999 0.000000 0.000000 0.000000 6.800000 Fractional Co-ordinates 1 0.666667 0.333333 0.500000 C 12.011000 2 0.333333 0.666667 0.500000 C 12.011000 END header q-pt= 1 0.000000 0.000000 0.000000 0.0434782609 1 -0.045623 2 -0.045623 3 -0.028854 4 814.209975 5 1613.504528 6 1613.504528 Phonon Eigenvectors Mode Ion X Y Z 1 1 0.222880483924 0.000000000000 0.671062061128 0.000000000000 0.000000021924 0.000000000000 1 2 0.222880483924 0.000000000000 0.671062061128 0.000000000000 0.000000021924 0.000000000000 2 1 -0.671062061128 0.000000000000 0.222880483924 0.000000000000 0.000000007282 0.000000000000 2 2 -0.671062061128 0.000000000000 0.222880483924 0.000000000000 0.000000007282 0.000000000000 3 1 -0.000000000000 0.000000000000 0.000000023102 0.000000000000 -0.707106781187 0.000000000000 3 2 -0.000000000000 0.000000000000 0.000000023102 0.000000000000 -0.707106781187 0.000000000000 4 1 0.000000000000 0.000000000000 0.000000000000 0.000000000000 -0.707106781187 0.000000000000 4 2 -0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.707106781187 0.000000000000 5 1 0.294985190752 0.000000000000 -0.642638107520 0.000000000000 0.000000000000 0.000000000000 5 2 -0.294985190752 0.000000000000 0.642638107520 0.000000000000 0.000000000000 0.000000000000 6 1 0.642638107520 0.000000000000 0.294985190752 0.000000000000 -0.000000000000 0.000000000000 6 2 -0.642638107520 0.000000000000 -0.294985190752 0.000000000000 -0.000000000000 0.000000000000 q-pt= 2 0.000000 0.000000 0.166667 0.0217391304 1 -74.441310 2 75.538406 3 75.538406 4 822.909941 5 1613.735356 6 1613.735356 Phonon Eigenvectors Mode Ion X Y Z 1 1 -0.000000000000 0.000000000000 0.000000000000 0.000000000000 -0.707106781187 0.000000000000 1 2 0.000000000000 0.000000000000 0.000000000000 0.000000000000 -0.707106781187 0.000000000000 2 1 0.065967476724 0.000000000000 -0.704022934296 0.000000000000 -0.000000000000 0.000000000000 2 2 0.065967476724 -0.000000000000 -0.704022934296 0.000000000000 -0.000000000000 0.000000000000 3 1 0.704022934296 0.000000000000 0.065967476724 0.000000000000 0.000000000000 0.000000000000 3 2 0.704022934296 0.000000000000 0.065967476724 0.000000000000 0.000000000000 0.000000000000 4 1 -0.000000000000 0.000000000000 -0.000000000000 0.000000000000 -0.707106781187 0.000000000000 4 2 0.000000000000 -0.000000000000 -0.000000000000 0.000000000000 0.707106781187 0.000000000000 5 1 0.000000000000 -0.000000000000 0.707106781187 -0.000000000000 -0.000000000000 0.000000000000 5 2 -0.000000000000 0.000000000000 -0.707106781187 0.000000000000 0.000000000000 0.000000000000 6 1 0.707106781187 -0.000000000000 -0.000000000000 -0.000000000000 -0.000000000000 0.000000000000 6 2 -0.707106781187 0.000000000000 0.000000000000 0.000000000000 -0.000000000000 0.000000000000 。 。 。 。 。 。 |
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