24СʱÈÈÃŰæ¿éÅÅÐаñ    

²é¿´: 1679  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

zhaideming

[½»Á÷] ¡¾ÇóÖú¡¿ÄÜ϶ HOMU-LUMO ÒÑÓÐ4È˲ÎÓë

´ó¼ÒºÃ£º¶ÔÓÚÕâ¸öÄÜ϶µÄÎÊÌâ ÎÒÊÇΪÁ˽â¾öÆÀίµÄÌáÎÊ ÔÚÎÒµÄÎÄÕÂÖÐ ÎÒ·Ö±ðд³öÁË HOMO(Alpha)ºÍ LUMO(Alpha)£¬»¹ÓÐHOMO(Beta)ºÍ LUMO(Beta)£¬ ÒÔ¼°ÏàÓ¦µÄÄÜ϶E=HOMO(Alpha)- LUMO(Alpha)£¬E=HOMO(Beta)- LUMO(Beta)¡£µ«ÊǶÔÓÚÓеØÌåϵֻÓÐHOMO(Alpha)ºÍ LUMO(Alpha)£¬¶øÃ»ÓÐHOMO(Beta)ºÍ LUMO(Beta)¡£ ÓÚÊÇÆÀί¾ÍÌá³öÒ»¸öÕâÑùµÄÎÊÌ⣬ Ï£ÍûÄܹ»°ï°ïæ ллÀ²
ÎÊÌ⣺It is misleading and conceptionally wrong to define a HOMO-LUMO gap for the alpha-and beta-set of MO separately. For open-shell systems,the lowest unoccupied beta-MO is only slightly split in energy from ints alpha-MO counterpart due to spin-polarization. In a ROHF or ROKS formalism the Homo-lumo gap is always zero for open-shell systems. The authors should remove all the HOMO-LUMO gaps for the open-shell systems as it adds nothing to the understanding.

ÆÀί˵ȥµô¿ª¿Ç²ãÌåϵµÄÄÜ϶£¬ÎÒ²»ÖªµÀÊÇʲôÒâ˼£¿ÊÇÈ¥µôHOMO(Beta)ºÍ LUMO(Beta)ÂȻºóͨ¹ýHOMO(Alpha)ºÍ LUMO(Alpha)À´¼ÆËãÄÜ϶£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mengfc

½ð³æ (ÕýʽдÊÖ)

¡ï
zhaideming(½ð±Ò+1): 2010-06-15 17:43:04
heyo_123(½ð±Ò+1):¹ÄÀø½»Á÷£¡£¡ 2010-06-16 08:46:06
3Â¥2010-06-15 16:27:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

mengfc

½ð³æ (ÕýʽдÊÖ)

¡ï
zhaideming(½ð±Ò+1): 2010-06-15 17:09:08
heyo_123(½ð±Ò+1):¹ÄÀø½»Á÷£¡£¡ 2010-06-16 08:46:01
¶Ô¿ª¿Ç²ãÃ²ËÆ²»´æÔÚHOMO LUMOÕâÑùµÄ˵·¨
2Â¥2010-06-15 16:24:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhangmt

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÎÒ½ÐMT

¡ï ¡ï
heyo_123: 2010-06-17 21:25:15
aylayl08(½ð±Ò+2): 2010-06-19 08:33:35
ÆÀί˵µÃºÜÓеÀÀí£ºÕâÊÇÃ÷ÏԵĻù´¡¸ÅÄî´íÎó¡£¶ÔÓÚ¿ªÇϲ㣬ÓÉÓÚHOMOºÍLUMO¶¼ÊÇָͬһ¹ìµÀ¡ª¡ªÍ¨³£³ÆSOMO£¬ËùÒÔûÓÐÄǸögapÖµ¡£ÆÀί˵µÃ¶Ô£¬É¾µô¾ÍÊÇÁË¡£
һȺ×ÔÒÔΪÕýÒåÁÝÈ»µÄÄêÇáÈ˽«Ò»Çв»ÄÜÒÔ¿ÆÑ§½âÊ͵ÄÊÂÇ鶨ÐÔΪ·â½¨ÃÔÐŲ¢´óµ¶À«¸«µØ½øÐÐÏûÃð£¬ÆäʵÕâÊÇÐÞÑø²»×ãѧʶdz±¡µÄÒ»ÖÖÌåÏÖ£¬Ò²ÊǿɶñµÄƫִºÍÓÞ´ÀµÄ×ÔÒÔ
4Â¥2010-06-17 20:45:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sculhf

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

¶ÏÒíÌìʹ

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¿ªÇϲãµÄÄÜ϶ΪÁã
˵Ã÷Ò»ÏÂÔ­Òò¾ÍOKÁË
ıÊÂÔÚÈ˳ÉÊÂÔÚÌì
5Â¥2010-06-18 22:04:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] ÔÚ¼á±ù»¹¸Ç×ű±º£µÄʱºò£¬ÎÒ¿´µ½ÁËÅ­·ÅµÄ÷»¨¡£ +4 ziyangfang 2026-08-25 4/200 2026-08-25 14:41 by ZJTJZ
[»ù½ðÉêÇë] ijЩ»ú¹¹£¬ÒÔЧÂʵÍΪÈÙ£¬ÒÔЧÂʵÍ×÷Ϊ´æÔڸР+6 yuleib84 2026-08-25 7/350 2026-08-25 14:40 by ÁùÁ½·ÏÍ­
[»ù½ðÉêÇë] ʲôʱºò¿ª½±£¿ +12 CrisMessi 2026-08-18 13/650 2026-08-25 14:40 by ZJTJZ
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +8 scalable 2026-08-24 8/400 2026-08-25 12:52 by jnhyjjm
[»ù½ðÉêÇë] ÈËÆø²»ÐÐÁË +11 fansofjerry 2026-08-21 11/550 2026-08-25 11:04 by ¹Â¶ÀµÄÓ¢ÐÛ6
[»ù½ðÉêÇë] 2026¹ú×ÔÈ»º¯ÆÀ·Ñµ½ÕË +19 ÑòÑü°å 2026-08-21 22/1100 2026-08-25 10:38 by popular289
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +3 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 3/150 2026-08-25 10:35 by shisan1313
[»ù½ðÉêÇë] ½ñÌì»ù½ð»á³ö½á¹ûÂð£¿20260819 +17 kkkl_v 2026-08-19 18/900 2026-08-25 09:41 by windflowerwy
[»ù½ðÉêÇë] Ö»ÓÐÿÄêÕâÖÖʱºòÀ´¹ä¹äСľ³æ +25 yaoyewhu2008 2026-08-20 27/1350 2026-08-25 08:01 by Equinoxhua
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +5 chengyan1220 2026-08-23 5/250 2026-08-24 23:28 by ÎÒ4´ó°×²Ë
[»ù½ðÉêÇë] ÈÃÎÒÖÐÒ»¸öÃæÉϰɣ¡ +13 ´óƼ1987 2026-08-20 16/800 2026-08-24 10:23 by ̫ɵÁË
[»ù½ðÉêÇë] ¿ÆÑй¶ùÌ«ÄÑÁË +18 ÎÒ4´ó°×²Ë 2026-08-20 19/950 2026-08-24 09:47 by ¿­¶÷¹ãÊ¢´ß»¯·ÖÎ
[½Ìʦ֮¼Ò] Ìø²ÛºóÔÚÑÐÏîÄ¿Ôõô°ì£¿ +5 ¼òµ¥»¯xn 2026-08-22 10/500 2026-08-23 12:38 by ¼òµ¥»¯xn
[»ù½ðÉêÇë] ʱ¼ä´Á½ñÌ죬20ºÅ±äÁË +5 archvillain 2026-08-20 5/250 2026-08-22 06:12 by hui_daxiao
[»ù½ðÉêÇë] ¿´À´½ñÌì²»»á·Å°ñÁË£¿ +8 chengyan1220 2026-08-21 11/550 2026-08-21 17:52 by dcqxinyang
[»ù½ðÉêÇë] ʱ¼ä´ÁÓÖ±äÁË +13 wuchongjun 2026-08-20 19/950 2026-08-21 17:21 by ×Ïɼ´¼
[»ù½ðÉêÇë] Ó¦¸ÃÊÇÏÂÖÜÈý26ÈÕ¹«²¼Á˰ɣ¿ +4 ¹þ¹þ¸ò£¿ 2026-08-21 4/200 2026-08-21 10:58 by Vivilian
[»ù½ðÉêÇë] ½ñÌì·Å°ñûϷÁ衃 +9 yuleib84 2026-08-19 11/550 2026-08-21 10:06 by gltch
[»ù½ðÉêÇë] »ù½ð°¡»ù½ð +4 longfie172 2026-08-20 4/200 2026-08-21 08:58 by mark mao
[»ù½ðÉêÇë] Ã÷Ìì·Å°ñ£¿ +5 Shxjjxjkx 2026-08-18 5/250 2026-08-18 18:14 by -´ó´ó´ó´ó´ó-
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û