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ÒÔÏÂΪÊäÈëÎļþ£º ndtset 2 # Set 1 : ionmov1 2 ntime1 5 tolmxf1 5.0d-5 natfix1 8 iatfix1 1 1 2 3 3 3 3 3 # Set 2 : dilatmx2 1.5 getxred2 -1 getwfk2 -1 ionmov2 2 ntime2 10 optcell2 2 tolmxf2 5.0d-5 strfact2 100 strprecon 0.1 natfix2 8 iatfix2 1 1 2 3 3 3 3 3 #Common input data acell 11.1275 22.2447 15.5455 ££Bhorµ¥Î» angdeg 90 90 90 spgroup 55 ntypat 3 znucl 82 40 8 natom 8 typat 1 1 2 3 3 3 3 3 xred 0.7085 0.1300 0.0000 0.7117 0.1246 0.5000 0.2423 0.1242 0.2536 0.2912 0.1009 0.0000 0.2761 0.1585 0.5000 0.0284 0.2606 0.2207 0.5000 0.0000 0.3022 0.0000 0.0000 0.2822 nband 25 ecut 8.0 ecutsm 0.5 kptopt 1 ngkpt 4 4 4 nshiftk 1 shiftk 0.5 0.5 0.5 diemac 3.0 iscf 5 nstep 60 tolvrs 1.0d-14 Õ⼸Ìì½øÐÐÁË´ÖdzµÄ³¢ÊԺͷ´Ë¼£¬µ«ÔËÐл¹ÊdzöÏÖÁËÎÊÌ⣺ Ê×ÏÈÊÇÈí¼þÃ²ËÆ²»Ê¶±ðÎÒÊäÈëµÄ²ÎÊý£¬acell£¬angdeg£¬xredÈýÕßÓ¦¸Ã¿ÉÒÔÈ·¶¨¿Õ¼äȺÁ˰ɣ¿ÎÒÏëÓ¦¸ÃÊä³öµÄÊÇpbam£¬µ«ÊÇoutputÖУº DATASET 1 : space group P1 (# 1); Bravais aP (primitive triclinic) ÁíÍâÊä³öÎļþ»¹ÓÐwarning£º ntime= 5 was not enough Broyd/MD steps to converge gradients: max grad (force/stress) = 2.9312E-02 > tolmxf= 5.0000E-05 ha/bohr (free atoms) nstep= 60 was not enough SCF cycles to converge; potential residual= 4.822E-10 exceeds tolvrs= 1.000E-14 ntime= 10 was not enough Broyd/MD steps to converge gradients: max grad (force/stress) = 5.9921E-02 > tolmxf= 5.0000E-05 ha/bohr (free atoms) ²»ÖªµÀÔÚÕâÖÖÇé¿öÏÂÊÇÓ¦¸ÃÔö¼Óntime£¬nstep»¹ÊǽµµÍtolvrs¸útolmxfÄØ ?Çó½ÌÁË¡£¡£¡£ [ Last edited by ·ÇÌìÖ®ÒíÀ¶Óð on 2010-3-29 at 22:19 ] |
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4Â¥2010-03-26 10:08:21
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ÓÐÒ»µã²»Ã÷°× natom 5 xred ÔõôÓÐ8¸öÔ×Ó×ø±ê #Definition of the unit cell acell 7.3775 7.3775 7.8570 #relax it rprim 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0 #Definition of the atoms natom 5 typat 1 2 3 3 3 xred 0.0 0.0 0.0 0.5 0.5 0.5 0.5 0.5 0.0 0.0 0.5 0.5 0.5 0.0 0.5 [ Last edited by lono75 on 2010-3-26 at 21:49 ] |

5Â¥2010-03-26 13:28:06
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8Â¥2010-03-27 11:12:51
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9Â¥2010-03-27 14:27:11
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¸ù¾Ý´ó¼ÒµÄÒâ¼û£¬¸üÐÂÁËÊäÈëÎļþ£º natfix 8 iatfix 1 1 2 3 3 3 3 3 Ö¸¶¨ÁËspgroup 55 xredÈÔÈ»²ÉÓÃÁ˲ο¼ÎÄÏ×ÀïµÄʵÑéÖµ×ø±ê¡ª¡ªÎÒËùÕҵľ§Ìå½á¹¹cif¸ñʽ¿ÉÒÔÔÚmsµ¼³öÀ´£¬ÓÃд×Ö°å´ò¿ª¾ÍµÃµ½¾§ÌåµÄ½á¹¹Êý¾Ý¡ª¡ªµ«ÊÇlogÀﻹÊdzö´íÁË£º symatm : WARNING - Trouble finding symmetrically equivalent atoms Applying inv of symm number 2 to atom number 1 of typat 1 gives tratom= -7.0850E-01 -1.3000E-01 0.0000E+00. This is further away from every atom in crystal than the allowed tolerance. The inverse symmetry matrix is -1 0 0 0 -1 0 0 0 1 and the nonsymmorphic transl. tnons = 0.0000000 0.0000000 0.0000000 The nearest coordinate differs by -4.170E-01 -2.600E-01 0.000E+00 for indsym(nearest atom)= 1 This indicates that when symatm attempts to find atoms symmetrically related to a given atom, the nearest candidate is further away than some tolerance. Should check atomic coordinates and symmetry group input data. Çë½ÌΪʲôÓÃʵÑéÖµ»¹ÊÇ»á³ö´íÄØ£¿ÔcifÎļþÀpbam¿Õ¼äȺ¸úxred¹²´æµÃºÜºÃ°¡¡£¡£¡£ |
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