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Final energy, E = -12266.31912109 eV Final free energy (E-TS) = -12266.33460092 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -12266.32686101 eV ÈçÉÏÊö£¬ÕæÓÐÕâôÈý¸öÄÜÁ¿Öµ£¬ÎҸÿ´ÄÄÒ»¸öÄÜÁ¿ÖµÀ´È·¶¨ËüÊDz»ÊÇÊÕÁ²£¿Çó´óÉñ´Í½Ì |
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anlen0615
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2Â¥2012-12-03 21:37:28
fanqy1991
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Êǵ쬶¼ÊÕÁ²£¬ +-----------+-----------------+-----------------+------------+-----+ <-- BFGS | Parameter | value | tolerance | units | OK? | <-- BFGS +-----------+-----------------+-----------------+------------+-----+ <-- BFGS | dE/ion | 7.491404E-008 | 5.000000E-006 | eV | Yes | <-- BFGS | |F|max | 8.616090E-003 | 1.000000E-002 | eV/A | Yes | <-- BFGS | |dR|max | 6.978532E-005 | 5.000000E-004 | A | Yes | <-- BFGS | Smax | 6.914192E-003 | 2.000000E-002 | GPa | Yes | <-- BFGS +-----------+-----------------+-----------------+------------+-----+ <-- BFGS µ«ÊÇÎÒ²»ÖªµÀ¸Ã¿´ÄÄÒ»¸öÄÜÁ¿Öµ£¬ÄúÄܰïÎÒÃ÷È·Ö¸³öÀ´Â𣿠|
3Â¥2012-12-04 12:44:14
fanqy1991
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- רҵ: Äý¾Û̬ÎïÐÔ II £ºµç×ӽṹ
4Â¥2012-12-04 12:46:24
anlen0615
Òø³æ (СÓÐÃûÆø)
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- רҵ: µç·Óëϵͳ

5Â¥2012-12-05 21:56:31
fanqy1991
½ð³æ (ÖøÃûдÊÖ)
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6Â¥2012-12-08 00:10:34
sesea7
Òø³æ (СÓÐÃûÆø)
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liliangfang: ½ð±Ò+2, ллָ½Ì 2012-12-08 18:07:25
liliangfang: ½ð±Ò+2, ллָ½Ì 2012-12-08 18:07:25
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lzÊÇÓÃcastep¼ÆËãµÄ°É£¬ÊÕÁ²ÁË£¬ÊÇÓÐÈý¸öÄÜÁ¿Öµ¡£¾ßÌå²Î¼ûhelpÎļþ£¬ÎÒ¸´ÖÆÕ³ÌùÒ»²¿·Ö£º The CASTEP output is as follows. The line Final energy, E = -861.8315373731 eV gives the Kohn-Sham energy, EKS, which ignores the entropy. However, it is the total Mermin free energy that is minimized by CASTEP and reported in the SCF cycles in the line Final free energy (E-TS) = -861.8315374521 eV If you were actually interested in the electronic states at some reasonable nonzero temperature, you would smear the Fermi level with a thermal (i.e., Fermi-Dirac) smearing method and the free energy reported by CASTEP would be the value you require. However, it is often the T = 0 K value that is required and the smearing is necessary to improve the convergence of the numerical algorithm. Because the dependence of the free energy and the Kohn-Sham energy on the smearing width is the same (to first order), averaging the two values gives a much better approximation to the T = 0 K result: NB est. 0K energy (E-0.5TS) = -861.8315374126 eV |

7Â¥2012-12-08 10:38:57













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