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syding1531銀蟲 (初入文壇)
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[求助]
K點設(shè)置報錯:VERY BAD NEWS! internal error in subroutine IBZKPT 已有1人參與
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我是vasp的菜鳥,想就下面的問題請教各位大蝦: 我想研究一下硫酸根在Au111表面上的吸附問題,單胞取為 sqrt(3) x sqrt(7). 短長軸之比約為0.6547,于是我設(shè)置K點為 8,5,1 (5/8=0.625) KPOINT文件為: -------------------------- Automomatic mesh 0 Monkhorst-Pack 8 5 1 0 0 0 -------------------------- 于是就報出下面的錯,并且任務(wù)徹底停掉了。 VERY BAD NEWS! internal error in subroutine IBZKPT: Reciprocal lattice and k-lattice belong to different class of lattices. Often results are still useful... 96 VERY BAD NEWS! internal error in subroutine SGRCON: Found some non-integer element in rotation matrix 5 (2)我把對稱性關(guān)掉, 還是出現(xiàn)這樣的報錯 (3) 我把K點改成7,5,1,(5/7約為0.7143) -------------------------- Automomatic mesh 0 Monkhorst-Pack 7 5 1 0 0 0 -------------------------- 結(jié)果還是會報 VERY BAD NEWS! internal error in subroutine IBZKPT: Reciprocal lattice and k-lattice belong to different class of lattices. Often results are still useful... 96 但是沒有 VERY BAD NEWS! internal error in subroutine SGRCON: Found some non-integer element in rotation matrix 5 而且vasp程序一直還在run,沒有跳出來。 我的INCAR為 ----------------------------- System=SO4onAulll ISPIN=1 ISTART=0 ICHARG=2 IBRION=2 ISIF=2 POTIM=0.5 ISYM=0 LREAL=Auto PREC=A GGA=PE ENCUT=400 EDIFF=1.0E-05 EDIFFG=-0.01 NELM=120 NSW=240 #NPAR=8 #LVTOT=.TURE. #LELF=.TURE. ISMEAR=1 SIGMA=0.2 IALGO=48 --------------------- POSCAR為: -------------------------------------------------------------------- SO4onAulll 1.00 5.11208509 0.00000000 0.00000000 2.55604255 7.37865926 0.00000000 0.00000000 0.00000000 28.91832000 25 1 4 Selective Dynamic Cartesian 4.68607809 5.16506132 0.00000000 F F F 2.13003555 3.68932947 0.00000000 F F F 7.24212064 6.64079318 0.00000000 F F F 4.68607800 2.21359778 0.00000000 F F F 2.13003546 0.73786592 0.00000000 F F F 3.83406382 3.68932963 2.40986002 F F F 1.27802127 2.21359778 2.40986002 F F F 6.39010637 5.16506148 2.40986002 F F F 3.83406382 0.73786593 2.40986002 F F F 3.83406382 6.64079333 2.40986002 F F F 2.98204955 2.21359794 4.81972004 T T T 0.42600700 0.73786608 4.81972004 T T T 5.53809209 3.68932979 4.81972004 T T T 5.53809218 6.64079334 4.81972004 T T T 2.98204964 5.16506148 4.81972004 T T T 4.68607809 5.16506132 7.22958007 T T T 2.13003555 3.68932947 7.22958007 T T T 7.24212064 6.64079318 7.22958007 T T T 4.68607800 2.21359778 7.22958007 T T T 2.13003546 0.73786592 7.22958007 T T T 3.83406382 3.68932963 9.63944009 T T T 1.27802127 2.21359778 9.63944009 T T T 6.39010637 5.16506148 9.63944009 T T T 3.83406382 0.73786593 9.63944009 T T T 3.83406382 6.64079333 9.63944009 T T T 2.98204955 2.21359794 12.44497618 T T T 1.27802127 2.21359778 11.82944009 T T T 3.83406382 0.73786593 11.82944009 T T T 3.83406382 3.68932963 11.82944009 T T T 2.98204955 2.21359794 13.97178357 T T T --------------------------------------------------------------------------- vasp論壇上也有人提這樣的問題,http://cms.mpi.univie.ac.at/vasp-forum/forum_viewtopic.php?3.489 但是也沒有說的很具體,看不懂。 道理上 8 5 1是最合適的,如何實現(xiàn)用8 5 1的K點?我知道文獻中用 SeqQuest軟件是可以這么設(shè)置的。 請大家?guī)蛶臀铱纯吹降资鞘裁丛蚝脝幔?謝謝 附件為 POTCAR[ Last edited by syding1531 on 2011-9-23 at 22:07 ] |

金蟲 (小有名氣)
木蟲 (小有名氣)
銀蟲 (小有名氣)
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