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ÔÚMSϽ¨Ä££¬µÃµ½Ô°û»ò³¬°ûµÄ²ÎÊý£¨a,b,c´óС£¬ ¸÷Ô×Ó×ø±êµÈÐÅÏ¢£©£¬½«ÕâЩÐÅÏ¢¿½±´µ½abinitÊäÈëÎļþÏàÓ¦µÄλÖᣠ±ÈÈçÏë¼ÆËãÒ»¸ö2¡Á2¡Á2µÄAB³¬°ûÄÜ´ø½á¹¹£º 1.ÔÚMSÖÐimport AB£¬Èç¹ûûÓÐÏֳɵ쬾ÍÕÒµ½ABµÄ¾§Ìåѧ²ÎÊý£¬ÊÖ¶¯½¨Á¢¡£Èç¹ûÊÇimportµÄ£¬½«ABת±ä³Éprimitive cell£¬Èç¹ûÊÇÊÖ¶¯½¨Á¢µÄ£¬¹À¼ÆÄãÕÒµ½µÄ¾§Ìåѧ²ÎÊý¾ÍÊǰ´primitive cell¸øµÄ¡£ 2.½«primitive cellת±ä³É2¡Á2¡Á2 supercell£¬²Ëµ¥ÉÏÓÐÕâ¸ö¹¦ÄÜ¡£ 3.exportÕâ¸ösupercellµÄ¾§Ìå½á¹¹²ÎÊý£¬¿ÉÒÔÊä³ö.car»ò.cifÎļþ¡£ ÏÂÀýΪһ¸ö.cifÎļþ ££££££££ data_AB _audit_creation_date 2008-11-21 _audit_creation_method 'Materials Studio' _symmetry_space_group_name_H-M 'P1' _symmetry_Int_Tables_number 1 _symmetry_cell_setting triclinic loop_ _symmetry_equiv_pos_as_xyz x,y,z _cell_length_a 6.1490 _cell_length_b 6.1490 _cell_length_c 6.1490 _cell_angle_alpha 60.0000 _cell_angle_beta 60.0000 _cell_angle_gamma 60.0000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy A1 A 0.12500 0.12500 0.12500 0.00000 Uiso 1.00 B2 B -0.00000 0.00000 -0.00000 0.00000 Uiso 1.00 A3 A 0.62500 0.12500 0.12500 0.00000 Uiso 1.00 B4 B 0.50000 0.00000 -0.00000 0.00000 Uiso 1.00 A5 A 0.12500 0.62500 0.12500 0.00000 Uiso 1.00 B6 B -0.00000 0.50000 -0.00000 0.00000 Uiso 1.00 A7 A 0.62500 0.62500 0.12500 0.00000 Uiso 1.00 B8 B 0.50000 0.50000 0.00000 0.00000 Uiso 1.00 A9 A 0.12500 0.12500 0.62500 0.00000 Uiso 1.00 B10 B -0.00000 0.00000 0.50000 0.00000 Uiso 1.00 A11 A 0.62500 0.12500 0.62500 0.00000 Uiso 1.00 B12 B 0.50000 -0.00000 0.50000 0.00000 Uiso 1.00 A13 A 0.12500 0.62500 0.62500 0.00000 Uiso 1.00 B14 B 0.00000 0.50000 0.50000 0.00000 Uiso 1.00 A15 A 0.62500 0.62500 0.62500 0.00000 Uiso 1.00 B16 B 0.50000 0.50000 0.50000 0.00000 Uiso 1.00 loop_ £££££££££ 4.´Ó.cifÎļþÖÐÕÒ³ösupercellµÄa,b,cÒÔ¼°¸÷Ô×Ó×ø±ê ¼´ _cell_length_a 6.1490 _cell_length_b 6.1490 _cell_length_c 6.1490 _cell_angle_alpha 60.0000 _cell_angle_beta 60.0000 _cell_angle_gamma 60.0000 A1 A 0.12500 0.12500 0.12500 0.00000 Uiso 1.00 B2 B -0.00000 0.00000 -0.00000 0.00000 Uiso 1.00 A3 A 0.62500 0.12500 0.12500 0.00000 Uiso 1.00 B4 B 0.50000 0.00000 -0.00000 0.00000 Uiso 1.00 A5 A 0.12500 0.62500 0.12500 0.00000 Uiso 1.00 B6 B -0.00000 0.50000 -0.00000 0.00000 Uiso 1.00 A7 A 0.62500 0.62500 0.12500 0.00000 Uiso 1.00 B8 B 0.50000 0.50000 0.00000 0.00000 Uiso 1.00 A9 A 0.12500 0.12500 0.62500 0.00000 Uiso 1.00 B10 B -0.00000 0.00000 0.50000 0.00000 Uiso 1.00 A11 A 0.62500 0.12500 0.62500 0.00000 Uiso 1.00 B12 B 0.50000 -0.00000 0.50000 0.00000 Uiso 1.00 A13 A 0.12500 0.62500 0.62500 0.00000 Uiso 1.00 B14 B 0.00000 0.50000 0.50000 0.00000 Uiso 1.00 A15 A 0.62500 0.62500 0.62500 0.00000 Uiso 1.00 B16 B 0.50000 0.50000 0.50000 0.00000 Uiso 1.00 ×¢ÒâÕâÀïµÄa¡¢b¡¢cµ¥Î»Îª°££¬Ô×Ó×ø±êΪfractal ¸ñʽ(¼û_atom_site_fract_x) 5 abinitÊäÈëÎļþ # computation of the total energy using a conventional cell(2 2 2) # Computation of the band structure. # First, a SCF density computation, then a non-SCF band structure calculation. ndtset 2 #Dataset 1 : usual self-consistent calculation kptopt1 1 # Option for the automatic generation of k points, # taking into account the symmetry nshiftk1 4 shiftk1 0.5 0.5 0.5 # These shifts will be the same for all grids 0.5 0.0 0.0 0.0 0.5 0.0 0.0 0.0 0.5 ngkpt1 4 4 4 prtden1 1 # Print the density, for use by dataset 2 toldfe1 1.0d-6 #Dataset 2 : the band structure iscf2 -2 getden2 -1 kptopt2 -3 nband2 8 ndivk2 10 12 17 # 10, 12 and 17 divisions of the 3 segments, delimited # by 4 points. kptbounds2 0.5 0.0 0.0 # L point 0.0 0.0 0.0 # Gamma point 0.0 0.5 0.5 # X point 1.0 1.0 1.0 # Gamma point in another cell. tolwfr2 1.0d-12 enunit2 1 # Will output the eigenenergies in eV #Definition of the unit cell chkprim 0 acell 3*11.6199 # the primitive AB supercell(2 2 2) a= 11.61992783 Bohr angdeg 60 60 60 #Definition of the atom types ntypat 2 # There is two types of atoms znucl A B # The keyword "znucl" refers to the atomic number of the # possible type(s) of atom. The pseudopotential(s) # mentioned in the "files" file must correspond #Definition of the atoms natom 16 # There are 16 atoms in the 2*2*2 supercell typat 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 # xred # This keyword indicate that the location of the atoms # will follow, one triplet of number for each atom 0.12500 0.12500 0.12500 0.00000 0.00000 0.00000 0.62500 0.12500 0.12500 0.50000 0.00000 0.00000 0.12500 0.62500 0.12500 0.00000 0.50000 0.00000 0.62500 0.62500 0.12500 0.50000 0.50000 0.00000 0.12500 0.12500 0.62500 0.00000 0.00000 0.50000 0.62500 0.12500 0.62500 0.50000 0.00000 0.50000 0.12500 0.62500 0.62500 0.00000 0.50000 0.50000 0.62500 0.62500 0.62500 0.50000 0.50000 0.50000 #Definition of the planewave basis set ecut 10 # Maximal kinetic energy cut-off, in Hartree #Definition of the SCF procedure nstep 100 # Maximal number of SCF cycles toldfe 1.0d-6 # Will stop when, twice in a row, the difference # between two consecutive evaluations of total energy # differ by less than toldfe (in Hartree) diemac 12.0 # Although this is not mandatory, it is worth to # precondition the SCF cycle. The model dielectric # function used as the standard preconditioner # is described in the "dielng" input variable section. # Here, we follow the prescription for bulk silicon. 6 ¼ÆËã 7 ·ÖÎö½á¹û |
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Minicheung
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4Â¥2009-04-29 22:12:34
cenwanglai
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5Â¥2009-04-29 22:49:42
yjr
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8Â¥2009-06-18 14:45:05
10Â¥2009-09-28 18:47:08
wenyun0876
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13Â¥2009-10-13 11:02:48
zxzj05
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14Â¥2009-10-13 13:45:59
zxzj05
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15Â¥2009-10-13 13:50:48
16Â¥2009-11-21 10:19:48
17Â¥2009-11-21 11:48:25
zxzj05
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18Â¥2009-11-21 14:07:23
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zxzj05
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21Â¥2009-11-23 14:24:37
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23Â¥2009-11-25 14:38:26
24Â¥2009-11-25 16:25:47
wanglianli136
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26Â¥2010-01-03 18:55:49
hometownlove
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27Â¥2010-03-26 16:19:23
28Â¥2011-03-18 16:30:36
29Â¥2011-03-18 16:35:43
awmc2008
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30Â¥2011-03-18 17:16:54
mazuju028
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mazuju028
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33Â¥2011-03-21 12:56:48
34Â¥2011-03-21 15:05:32
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R1p(i)=scalecart(i)rprim(i,1)*acell(1) R2p(i)=scalecart(i)rprim(i,2)*acell(2) R3p(i)=scalecart(i)rprim(i,3)*acell(3) ÕâÊÇÎÒÔÚabinitÍøÉÏ¿´µ½µÄhttp://www.abinit.org/documentat ... s/varbas.html#rprim£¬½âÊÍrprim±äÁ¿¡£ÕâÀïÃæscalecartÊÇʲô£¬Ã»¼ûÓùý£¬scalecart ºÍacellÓÐÊ²Ã´Çø±ð£¿£¿ ÄãÓõÄÄǸö¹«Ê½ÔõôôÓж¨ÒåscalecartÕâ¸ö±äÁ¿ÄØ£¿ |
35Â¥2011-03-21 15:05:59
mazuju028
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scalecartÕâ¸ö±äÁ¿£¬ÊÇÔÚ×î½üµÄÁ½¸ö°æ±¾²ÅÒýÈëµÄ£¬¸ù¾Ý¶¨Ò壺 R1p(i)=scalecart(i)rprim(i,1)*acell(1) R2p(i)=scalecart(i)rprim(i,2)*acell(2) R3p(i)=scalecart(i)rprim(i,3)*acell(3) ¼ÙÉèscalecartΪ£¨a,b,c£©,acellΪ£¨j,k,l£©£¬ rprimΪ1 2 3 4 5 6 7 8 9 ÄÇô£º R1=j*(1*a, 2*b, 3*c) R2=k*(4*a, 5*b, 6*c) R3=l*(7*a, 8*b,9*c) Ï൱ÓÚscalecartµÄÈý¸ö·ÖÁ¿·Ö±ðÓëµÑ¿¨¶û×ø±êµÄÈý¸ö·ÖÁ¿Çó»ý¡£ ¸öÈ˾õµÃ£¬ÓÉrprimºÍacell±í´ï¾Í¹»ÁË¡£ |
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