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[½»Á÷] ¡¾ÇóÖú¡¿¼±ÇóÖú¹ØÓÚHOMO-LUMO GapÎÊÌâ(Òѽâ¾ö)

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Re: CCL:How to define HOMO-LUMO gap in open shell system ?
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For A6B-, however, the HOMO is single occupied, that is, an additional electron will enter in that HOMO level, and the HOMO-LUMO gap should be zero. This zero gap will happen for all clusters AnB- with even n.
ΪʲôΪ0?
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[ Last edited by sculhf on 2009-10-10 at 17:14 ]
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http://muchong.com/bbs/viewthread.php?tid=1408125
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[quote]Originally posted by yytsnake at 2009-10-10 12:57:
Õâ¿ÉÄÜÊǹýÈ¥´«Í³µÄ¸ÅÄîºÍÉó¸åÈË×Ô¼ºµÄÈÏʶÓÐÇø±ð°É£¬ÎÒÃÇ´ÓÀÏʦÄÇÀïѧÀ´µÄHOMOÊÇ×î¸ßµÄÕ¼ÂúµÄ¹ìµÀ£¬LUMOÊÇ×îµÍµÄ¿Õ¹ìµÀ¡£
µ«¶ÔÉó¸åÈ˶øÑÔ£¬HOMOÊÇ×î¸ß±»Õ¼¾Ý¹ìµÀ£¨ÎÞÂÛµ¥Ë«£©£¬LUMOÊÇ×îµÍδռ¾Ý¹ìµÀ£¨ÎÞÂÛ¿Õ»òµ¥ ...

ÎÒÊÇÓøß˹¿ª¿Ç²ã·½·¨¼ÆËãµÄÍÅ´Ø£¬ÄÇôSOMO£¨°¢¶û·¨£©ºÍSOMO£¨±´Ëþ£©µÄ¹ìµÀÄܼ¶ÊDz»Í¬µÄ
GAPÔõôҲ²»»áΪÁã°¡
A open shell system has the MOs like this:

#- #-4   #- #-5
             #- #-3
#-x#-2
#-x#-   #-x#-1
#-x#-   #-x#-
#-x#-   #-x#-
alpha    beta
MO with "x" has an electron occupation.
Then how to define the HOMO-LUMO gap of this system?
To define on gap as
E_gap=E3-E2???[/quote]

[ Last edited by yjcmwgk on 2009-10-10 at 16:38 ]
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3Â¥2009-10-10 10:44:15
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Originally posted by erylingjet at 2009-10-10 10:43:
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