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leepearson木蟲 (著名寫手)
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[求助]
MS計(jì)算得到的能量含義
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最近學(xué)習(xí)MS,用單晶Fe作模擬對(duì)象,發(fā)現(xiàn)模擬后得到兩個(gè)能量:-863.28和-854.61,二者分別代表什么能量呢?謝謝! Integrated Spin Density = 2.24470 hbar/2 Integrated |Spin Density| = 2.38211 hbar/2 Final energy, E = -863.2806091589 eV Final free energy (E-TS) = -863.2868858503 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -863.2837475046 eV Writing analysis data to Fe__4_.castep_bin Writing model to Fe__4_.check ***************** Symmetrised Forces ***************** * * * Cartesian components (eV/A) * * -------------------------------------------------- * * x y z * * * * Fe 1 0.00000 0.00000 0.00000 * * * ****************************************************** Pseudo atomic calculation performed for Fe 3d6 4s2 Converged in 34 iterations to a total energy of -854.6105 eV Charge spilling parameter for spin component 1 = 0.17% Charge spilling parameter for spin component 2 = 0.65% Atomic Populations (Mulliken) ----------------------------- Species Ion s p d f Total Charge (e) Spin (hbar/2) =========================================================================== Fe 1 1.04 0.32 6.64 0.00 8.00 0.00 2.24 =========================================================================== Bond Population Spin Length (A) ====================================================================== ====================================================================== Hirshfeld Analysis ------------------ Species Ion Hirshfeld Charge (e) Spin (hbar/2) =================================================== Fe 1 0.00 2.24 =================================================== Writing analysis data to Fe__4_.castep_bin Writing model to Fe__4_.check A BibTeX formatted list of references used in this run has been written to Fe__4_.bib Initialisation time = 7.55 s Calculation time = 12.00 s Finalisation time = 0.08 s Total time = 19.62 s |
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一個(gè)是計(jì)算了熵,一個(gè)沒有,你在使用時(shí)要選定相同計(jì)算方式的能量來計(jì)算結(jié)合能和生成焓 發(fā)自小木蟲Android客戶端 |
木蟲 (著名寫手)

木蟲 (著名寫手)
木蟲 (著名寫手)
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