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VASP優(yōu)化結(jié)構(gòu)時(shí),E0發(fā)生突變?
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我在用VASP優(yōu)化結(jié)構(gòu)時(shí),前4個(gè)離子步的E0都在175 eV左右,但是從5F后能量就發(fā)生了突變,變成了73 eV左右,并且顯示錯(cuò)誤信息。如果是正確的結(jié)果能量應(yīng)該在176eV左右的。 1 F= -.17431755E+03 E0= -.17432851E+03 d E =-.174318E+03 mag= 33.8873 2 F= -.17441190E+03 E0= -.17442320E+03 d E =-.943533E-01 mag= 33.8831 3 F= -.17468180E+03 E0= -.17469457E+03 d E =-.364249E+00 mag= 33.8813 4 F= -.17520759E+03 E0= -.17522201E+03 d E =-.890035E+00 mag= 33.8579 5 F= -.70424051E+02 E0= -.70427134E+02 d E =0.103893E+03 mag= 32.8561 6 F= -.72780584E+02 E0= -.72785187E+02 d E =0.101537E+03 mag= 32.5818 7 F= -.72810234E+02 E0= -.72815120E+02 d E =0.101507E+03 mag= 32.5715 8 F= -.72829505E+02 E0= -.72834576E+02 d E =0.101488E+03 mag= 32.5578 9 F= -.72838108E+02 E0= -.72843141E+02 d E =0.101479E+03 mag= 32.5506 10 F= -.72842228E+02 E0= -.72847536E+02 d E =0.101475E+03 mag= 32.5461 11 F= -.72843606E+02 E0= -.72848723E+02 d E =0.101474E+03 mag= 32.5419 12 F= -.72844565E+02 E0= -.72849802E+02 d E =0.101473E+03 mag= 32.5403 13 F= -.72844971E+02 E0= -.72850165E+02 d E =0.101473E+03 mag= 32.5386 14 F= -.72845060E+02 E0= -.72850245E+02 d E =0.101472E+03 mag= 32.5367 15 F= -.72845127E+02 E0= -.72850308E+02 d E =0.101472E+03 mag= 32.5358 16 F= -.72845215E+02 E0= -.72850408E+02 d E =0.101472E+03 mag= 32.5353 17 F= -.72845162E+02 E0= -.72850352E+02 d E =0.101472E+03 mag= 32.5346 18 F= -.72845144E+02 E0= -.72850316E+02 d E =0.101472E+03 mag= 32.5341 19 F= -.72845109E+02 E0= -.72850304E+02 d E =0.101472E+03 mag= 32.5336 20 F= -.72699958E+02 E0= -.72708257E+02 d E =0.101618E+03 mag= 32.2532 curvature: ****** expect dE=-0.275E+02 dE for cont linesearch -0.695E+01 ZBRENT: fatal internal in brackting system-shutdown; contact gK immediately 我的INCAR如下: SYSTEM = Ni2 ENCUT = 280 ISTART = 0 ICHARG = 2 ISMEAR = 1 SIGMA = 0.2 NSW = 200 IBRION = 2 ISPIN = 2 NELM = 2000 POTIM = 0.2 EDIFF = 1E-4 EDIFFG = -0.04 IALGO = 48 LREAL = Auto GGA = 91 VOSKOWN = 1 LWAVE = .F. LCHARG = .F. 還希望蟲友們給些修改的意見 |
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