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hybrid 雜化泛函 能量不收斂
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我在用HSE06雜化泛函計算8個原子的si,其中一個被Fe替代時,結(jié)構(gòu)優(yōu)化不收斂,而且能量為正值,請求算過的高手指點迷津,謝謝。 INCAR: general: System = Si and Fe GGA=PS LHFCALC= .TRUE. ; HFSCREEN=0.2 TIME=0.4 PRECFOCK=A ENCUT=320 ALGO=Damped # IALGO=48 ISTART=1 ; ICHARG=2 EDIFF=1E-5 ; EDIFFG= -0.001 IBRION=2 ISMEAR=0 ; SIGMA=0.1 LWAVE= .F. # LCHARG=.F. NSW=60 AEXX=0.25 ISIF=3 MAGMOM=7*1 1*4 ISPIN=2 POSCAR: Si and Fe 1.00000000000000 5.4299999999999997 0.0000000000000000 0.0000000000000000 0.0000000000000000 5.4299999999999997 0.0000000000000000 0.0000000000000000 0.0000000000000000 5.4299999999999997 7 1 Selective dynamics Direct 0.0091817096424798 0.0091817096424798 0.0091817096424798 T T T 0.0091817096424798 0.4908182903575202 0.4908182903575202 T T T 0.4908182903575202 0.0091817096424798 0.4908182903575202 T T T 0.4908182903575202 0.4908182903575202 0.0091817096424798 T T T 0.7500000000000000 0.2500000000000000 0.7500000000000000 T T T 0.2500000000000000 0.7500000000000000 0.7500000000000000 T T T 0.7500000000000000 0.7500000000000000 0.2500000000000000 T T T 0.2500000000000000 0.2500000000000000 0.2500000000000000 T T T KPOINTS: K-Points 0 Monkhorst Pack 5 5 5 0 0 0 輸出點子步能量: free energy TOTEN = -50.17243544 eV free energy TOTEN = 103.21275248 eV free energy TOTEN = 182.01042277 eV free energy TOTEN = 362.01174714 eV free energy TOTEN = 275.36280069 eV free energy TOTEN = 58.40916499 eV free energy TOTEN = 233.99644103 eV free energy TOTEN = 171.05094863 eV free energy TOTEN = 323.28251829 eV free energy TOTEN = 268.82301938 eV free energy TOTEN = 79.10786303 eV free energy TOTEN = 209.15048655 eV free energy TOTEN = 171.23408273 eV free energy TOTEN = 280.17039047 eV free energy TOTEN = 169.99714955 eV free energy TOTEN = 211.99923143 eV free energy TOTEN = 138.28970481 eV free energy TOTEN = 204.38295824 eV free energy TOTEN = 168.47022463 eV free energy TOTEN = 259.48589798 eV free energy TOTEN = -2.16399520 eV free energy TOTEN = 224.62691572 eV free energy TOTEN = 255.72806543 eV free energy TOTEN = 249.94290905 eV free energy TOTEN = -6.60880192 eV free energy TOTEN = 219.21579666 eV free energy TOTEN = 209.62226102 eV free energy TOTEN = 268.47228623 eV free energy TOTEN = -7.55242431 eV free energy TOTEN = 223.53900264 eV 當(dāng)一個離子步結(jié)束后出現(xiàn)報錯如下: LAPACK: Routine ZPOTRF failed! 32 WARNING: CNORMN: search vector ill defined WARNING: CNORMN: search vector ill defined 并終止計算,不知是什么原因,望高手指教,謝謝! |
雜化泛函方面的研究 |
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