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C3£ºÊÇ·ñ³ÌÐò»¯¡£Èç¹û·½·¨Î´³ÌÐò»¯£¬»òÕß³ÌÐòÃØ²»Ê¾ÈË£¬C3¾ÍºÜµÍ£»Èç¹û·½·¨°üº¬ÔÚÖ÷Á÷µÄÀíÂÛ»¯Ñ§³ÌÐòÖУ¬C3¾Í±È½Ï¸ß£»ÌÈÈô°üº¬ÔÚGaussian³ÌÐòÖУ¬C3¾Í¸ü¸ß¡£¾ÙÀý¡£

PerdewµÈÈ˺ķѴóÁ¿ÐÄѪ¿ª·¢ÁËPBE·ºº¯£º
J. P. Perdew, K. Burke and M. Ernzerhof
Generalized Gradient Approximation Made Simple
Physical Review Letters 77, 3865 (1996)

C = 21857/18 = 1214.3¡£×÷ΪһÖÖ±»¹ã·º½ÓÊܵķºº¯£¬´ËÏ×÷µÄÈý¸öÒò×Ó¶¼±È½Ï¸ß¡£´ÓPBE·ºº¯»¹ÑÜÉúÁ˲»ÉÙÆäËü·ºº¯¡£ÀýÈ磬ÔÓ»¯·ºº¯PBE0

C. Adamo and V. Barone
Toward reliable density functional methods without adjustable parameters: The PBE0 model
Journal of Chemical Physics 110, 6158 (1999)

C = 3625/15 = 241.7

ÒÔ¼°rPBE·ºº¯

B. Hammer, L.B. Hansen, and J.K. Norskøv
Improved adsorption energetics within density-functional theory using revised Perdew-Burke-Ernzerhof functionals
Physical Review B 59, 7413 (1999)

C = 1312/15 = 87.5

×÷Ϊ´ÓPBEÑÜÉúµÄ·ºº¯£¬PBE0ºÍrPBE·ºº¯µÄC1Òò×ӱȽÏС£¬Òò´ËÒýÓÃÂʲ»ÈçPBEԭʼÎÄÏס£ÕâÁ½¸ö·ºº¯¼¸ºõÔÚËùÓеÄÁ¿»¯³ÌÐòÖж¼ÓУ¬µ«ÊǺóÒ»¸ö·ºº¯rPBEƫƫ²»ÔÚGaussianÖУ¬µ¼ÖºóÕßÒýÓÃÂʽöÓÐǰÕßµÄ1/3¡£

½ÓÏÂÀ´¿´Á½ÆªÐý¹ìñîºÏTDDFT·½·¨µÄÎÄÕ£º

Jun Gao, Wenjian Liu, Bo Song and Chengbu Liu
Time-dependent four-component relativistic density functional theory for excitation energies
J. Chem. Phys. 121, 6658 (2004)

C = 38/10 = 3.8

F. Wang, T. Ziegler, E. van Lenthe, S.J.A. vand Gisbergen and E.J. Baerends
The calculation of excitation energies based on the relativistic two-component zeroth-order regular approximation and time-dependent density-functional with full use of symmetry
J. Chem. Phys. 122, 204103 (2005)

C = 70/9 = 7.8

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