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【求助】關(guān)于形成能的大小問題 已有6人參與
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一般計(jì)算出的形成能,在多少電子伏(eV)的范圍類比較正常? 幾個(gè)電子伏?幾十電子伏?幾百電子伏?(eV) |
第一原理資料匯編 |
禁蟲 (正式寫手)
隱清堂主
禁蟲 (正式寫手)
隱清堂主
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請(qǐng)問:利用如下數(shù)據(jù)能否依據(jù)文獻(xiàn)之公式算形成能?我怎么整了個(gè)負(fù)的一百多(2*2*2,ZnO超胞,一個(gè)N替換一個(gè)O)?天啦 ![]() Eformation=Et-nEzn-mEo-Ex MS CASTEP輸出數(shù)據(jù)如下, ==== . . . Final energy, E = -34188.45297399 eV Final free energy (E-TS) = -34188.47661550 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -34188.46479475 eV Pseudo atomic calculation performed for N 2s2 2p3 Converged in 22 iterations to a total energy of -262.6963 eV Pseudo atomic calculation performed for O 2s2 2p4 Converged in 25 iterations to a total energy of -429.5309 eV Pseudo atomic calculation performed for Zn 3d10 4s2 Converged in 41 iterations to a total energy of -1708.0390 eV . . . ========================================== [ Last edited by yankai131 on 2010-6-14 at 21:56 ] |
榮譽(yù)版主 (文壇精英)

禁蟲 (正式寫手)
隱清堂主
榮譽(yù)版主 (文壇精英)

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