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cpylovelove

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] Gaussian¼ÆËãNBO²¼¾ÓÊý·´×ªÊÇʲôÒâ˼ ÒÑÓÐ1È˲ÎÓë

ÔÚ¼ÆËãNBOʱ£¬Í¬Ò»¸öÊäÈë½á¹¹£¬ÓÃСµÄ»ù×éËãûÎÊÌ⣬¸Ä³É´óµÄ»ù×éÖ®ºó¼ÆËãNBOµÄʱºòÊä³öÎļþÖо¯¸æ£º
WARNING:  1 low occupancy (<1.9990e) core orbital  found on  C   50
           1 low occupancy (<1.9990e) core orbital  found on  C   51
           1 low occupancy (<1.9990e) core orbital  found on  C   54
           1 low occupancy (<1.9990e) core orbital  found on  C   57

WARNING:  Population inversion found on atom  O    1
           Population inversion found on atom  O    2
           Population inversion found on atom  O    3
           Population inversion found on atom  O    4
           Population inversion found on atom  O    5
           Population inversion found on atom  O    6
           Population inversion found on atom  O    8
È»ºó¾ÍûÓÐÈ»ºóÁË¡£¡£Ã»ÓÐDonor NBO (i)  Acceptor NBO (j)  ÄDz¿·ÖÁË£¬ÕâÊÇʲôԭÒò£¿ÇóÖ¸µ¼£¡
ÊäÈëÎļþ£º
%mem=12GB
%nprocshared=4
%chk=\NBO222.chk
#6-311+g(d,p) m062x pop=nboread

structure

0 1
O                  0.46554900   -2.26311600    1.14531900
O                 -0.08446700   -2.94697200   -0.82428500
O                 -0.41942000    1.93710600   -2.62250800
O                  0.34933900    2.55473300   -0.70307400
O                 -3.05918900   -3.48606000    0.03092800
O                 -4.84957500   -2.49305800    0.7434
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$NBO PLOT $END
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» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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ǹÏÂÓλê

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¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
gkf¸ß: ½ð±Ò+3 2014-03-05 15:47:13
cpylovelove: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2014-03-05 19:32:53
²»ÖªµÀÄã×îºóÊÇÕý³£ÅÜÍêÁË»¹ÊdzöÏÖl607´íÎó£¿
Õý³£ÅÜÍêµÄÇé¿öÏÂÒýÓÃÂÛ̳ÀÏÌûºÍ¸ß˹NBOµÄ½âÊÍ£º
http://muchong.com/html/201306/6005253.html

Such warnings can usually be ignored.
> WARNING:  1 low occupancy (<1.9990e) core orbital  found on  P 3
>           1 low occupancy (<1.9990e) core orbital  found on  C 5
In the first case NBO has calculated a couple core orbitals with
occupancies slightly lower than threshold.  The occupancies reflect
delocalizing interactions of the two core orbitals with nearby acceptor
functions.  But the strengths of these interactions are likely so weak
that they can be neglected.
Examine the perturbative analysis for interactions involving the two
orbitals in question.  You'll probably find that the interactions are
weaker than a kcal/mol or two and can thus be ignored when developing a
qualitative description of the calculated wavefunction.
> WARNING:  Population inversion found on atom  P 3
>           Population inversion found on atom  O 4
>           Population inversion found on atom  C 5
>           Population inversion found on atom  C 6
>           Population inversion found on atom  C 7
>           Population inversion found on atom  C 8
>           Population inversion found on atom  C 9
>           Population inversion found on atom  C10
>           Population inversion found on atom  O11
>           Population inversion found on atom  S13
In the second case NBO has encountered a high energy NAO that has an
occupancy somewhat greater than a lower energy NAO.  This is a fairly
common occurence for  extended basis sets for which there are a
considerable number of Rydberg orbitals identified by NAO.  Examine the
output for P3, for example.  You might find a 6s NAO with slightly higher
occupancy than the 5s, or something similar. However, the occupancies of
these orbitals are probably small enough that they can neglected anyway.
Eric Glendening

³öÏÖ´íÎóµÄÇé¿öËÆºõ¸ú»ù×éÓйأ¬ÕâÆªÌû×ӵķ½·¨¿ÉÒÔÒ»ÊÔ£¬µ«²»Ò»¶¨Äܽâ¾ö
http://muchong.com/html/201105/3251569.html
2Â¥2014-03-05 09:13:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cpylovelove

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by ǹÏÂÓλê at 2014-03-05 09:13:47
²»ÖªµÀÄã×îºóÊÇÕý³£ÅÜÍêÁË»¹ÊdzöÏÖl607´íÎó£¿
Õý³£ÅÜÍêµÄÇé¿öÏÂÒýÓÃÂÛ̳ÀÏÌûºÍ¸ß˹NBOµÄ½âÊÍ£º
http://muchong.com/html/201306/6005253.html

Such warnings can usually be ignored.
> WARNING:  1 low oc ...

ÎÒÊÇÕý³£ÅÜÍ꣬ µ«ÊÇûÓÐ×îºóÌáʾ A bond orbital with an occupancy of  2.04492 electrons was found!
ºóÀ´¿´ÁËÒ»¸öÌû×Ó£¬ÔÚÊäÈëÎļþÖмÓÁ˹ؼü´ÊIOp(6/76=8)½â¾öÁË£¬Ð»Ð»Ö¸½Ì£¡
3Â¥2014-03-05 19:35:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ cpylovelove µÄÖ÷Ìâ¸üÐÂ
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