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piii700木蟲 (小有名氣)
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[交流]
【求助】大家用DMOL3算的C60分子的LUMO-HOMO帶隙是多少? 已有3人參與
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大家用DMOL3算的C60分子的LUMO-HOMO帶隙是多少。课墨I(xiàn)中說實驗值是1.7 文獻(xiàn)計算結(jié)果是1.683。為啥我怎么算,換了各種設(shè)置算都是1.8呢? ![]() 大家給指點一下啊 |
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你最開始計算的時候優(yōu)化了嗎 # Task parameters Calculate energy Symmetry off # Electronic parameters Spin_polarization unrestricted Charge 0 Basis dnp Pseudopotential none Functional gga(p91) Aux_density octupole Integration_grid fine Occupation thermal 0.0020 Cutoff_Global 3.7000 angstrom Scf_density_convergence 1.0000e-006 Scf_charge_mixing 0.2000 Scf_spin_mixing 0.5000 Scf_iterations 1000 Scf_diis 6 pulay # Print options Print eigval_last_it |


木蟲 (小有名氣)
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# Task parameters Calculate energy Symmetry on Max_memory 2000 # Electronic parameters Spin_polarization unrestricted Charge 0 Basis dnp Pseudopotential none Functional pbe Aux_density octupole Integration_grid fine Occupation thermal 0.0050 Cutoff_Global 5.5000 angstrom Scf_density_convergence 1.0000e-005 Scf_charge_mixing 0.2000 Scf_spin_mixing 0.5000 Scf_iterations 500 Scf_diis 6 pulay # Print options Print eigval_last_it # Calculated properties Plot homo Plot lumo Plot fermi 5 Grid msbox 3 0.2500 0.2500 0.2500 3.0000 -------------------------------------------------------------------------------------------------------- # Task parameters Calculate energy Symmetry off Max_memory 2048 # Electronic parameters Spin_polarization restricted Charge 0 Basis dnp Pseudopotential none Functional pwc Harris off Aux_density octupole Integration_grid fine Occupation thermal 0.0050 Cutoff_Global 3.7000 angstrom Scf_density_convergence 1.0000e-006 Scf_charge_mixing 0.2000 Scf_iterations 50 Scf_diis 6 pulay # Print options Print eigval_last_it # Calculated properties Plot homo Plot lumo Grid msbox 3 0.2500 0.2500 0.2500 3.0000 ----------------------------------------------------------------------------------- # Task parameters Calculate energy Symmetry off Max_memory 2048 # Electronic parameters Spin_polarization restricted Charge 0 Basis dnp Pseudopotential none Functional pbe Aux_density octupole Integration_grid fine Occupation thermal 0.0050 Cutoff_Global 3.7000 angstrom Scf_density_convergence 1.0000e-006 Scf_charge_mixing 0.2000 Scf_iterations 50 Scf_diis 6 pulay # Print options Print eigval_last_it # Calculated properties Plot homo Plot lumo Grid msbox 3 0.2500 0.2500 0.2500 3.0000 ---------------------------------------------------------------- 這3次都是1.8 啊 |
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