Znn3bq.jpeg
²é¿´: 684  |  »Ø¸´: 0
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

zgj5251214

Í­³æ (СÓÐÃûÆø)

[½»Á÷] ÄÄλ֪µÀkasha¹æÔòÂð£¿

һЩÎÄÏ×ÀïÕâÑùÃèÊökasha¹æÔò£º
The emitting electronic level of a given multiplicity is the lowest excited level of that multiplicity.
From a symmetrical consideration,the excited states are classified into Ag and Bu symmetries in the centrosymmetric one-dimensional pai-conjugated system. Since the ground state has the Ag symmetry,only Bu excited states can be optically allowed (i.e. one-photon electric-dipole allowed).
ÄÄλ´óÏÀ½âÊÍһϻòÕß·îÏ×µãÕâ·½ÃæµÄ×ÊÁÏ£¬ÔõôÑùÇø·Ö¼¤·¢Ì¬ÊÇAg»¹ÊÇBu£¿ÎÄÏ×Àï˵Èç¹ûAg¼¤·¢Ì¬µÄÄÜÁ¿¸ßÓÚBuµÄ£¬ÔòÄÜ·¢¹â£¬·ñÔò²»ÄÜ·¢¹â¡£ÕâÀD·¢Ì¬Ag£¬BuµÄÄÜÁ¿Ö¸µÄÊÇʲô£¿Ð»Ð»
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ zgj5251214 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] »¯¹¤Ñ§Ë¶294·Ö£¬Çóµ¼Ê¦ÊÕÁô +12 yzyzx 2026-04-12 12/600 2026-04-13 00:08 by solbeg
[¿¼ÑÐ] Ò»Ö¾Ô¸°²´óÉúÎïѧ07³õÊÔ322¡¢±¾¿Æ¶þ±¾¡¢µ÷¼ÁÇóÖú +10 Àî¶àÃ×lee. 2026-04-12 11/550 2026-04-12 22:58 by yuyin1233
[¿¼ÑÐ] 277 ÊýÒ»104£¬Ñ§Ë¶£¬Çóµ÷¼Á +21 Æ¿×ÓPZ 2026-04-09 23/1150 2026-04-11 23:12 by labixiaoqiao
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬0703»¯Ñ§305·ÖÇóµ÷¼Á +26 ÑÏÎ÷Î÷Ï· 2026-04-06 33/1650 2026-04-11 23:01 by 314126402
[¿¼ÑÐ] Çóµ÷¼Á +11 ôæôæÒ»ÊéÉú 2026-04-09 11/550 2026-04-11 19:57 by ÄæË®³Ë·ç
[¿¼ÑÐ] 266Çóµ÷¼Á£¬Ò»Ö¾Ô¸¹þ¹¤³Ìµç×ÓÐÅÏ¢£¬±¾¿Æ»ñ¶àÏî¹ú½±ºÍÊ¡½± +8 lumine1 2026-04-06 8/400 2026-04-11 18:35 by ÄæË®³Ë·ç
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +16 Ò¶zilin 2026-04-10 16/800 2026-04-11 11:04 by may_ÐÂÓî
[¿¼ÑÐ] µ÷¼Á +4 µçÆø300Çóµ÷¼Á²» 2026-04-08 7/350 2026-04-11 10:44 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +17 ŬÁ¦·Ü¶·112 2026-04-06 20/1000 2026-04-11 00:31 by wangjihu
[¿¼ÑÐ] 291 Çóµ÷¼Á +29 »¯¹¤2026½ì±ÏÒµÉ 2026-04-09 29/1450 2026-04-10 22:55 by dick_runner
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©×ö¹ý·Ö×ÓʵÑé +8 ÏàÐűػá¹ââÍòÕ 2026-04-07 9/450 2026-04-10 21:03 by zhouxiaoyu
[¿¼ÑÐ] ²ÄÁϹ¤³Ìµ÷¼Á +12 СÁõͬѧ߹߹ 2026-04-06 13/650 2026-04-09 17:07 by luoyongfeng
[¿¼ÑÐ] 083200 ³õÊÔ305·Ö Çóµ÷¼Á Ôݲ»¿¼ÂÇ¿çרҵ +15 Claireyyyy 2026-04-09 15/750 2026-04-09 16:11 by zhuimr
[¿¼ÑÐ] 086004 Çóµ÷¼Á 309 +7 Yin DY 2026-04-08 7/350 2026-04-09 13:59 by Delta2012
[¿¼ÑÐ] 270Çóµ÷¼Á +3 031127 2026-04-06 4/200 2026-04-08 21:00 by ÄæË®³Ë·ç
[¿¼ÑÐ] 338Çóµ÷¼Á +8 wxygxsaaaaa 2026-04-06 8/400 2026-04-08 06:58 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Çó¿¼ÑвÄÁϵ÷¼Á +3 ²Ä»¯Àî¿É 2026-04-07 3/150 2026-04-08 00:21 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄÏ090202Çóµ÷¼Á +4 ÔÚÏßÇóÓÐѧÉÏ 2026-04-07 4/200 2026-04-07 19:47 by biomichael
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 Ò»ÑùYWY 2026-04-07 11/550 2026-04-07 15:13 by shdgaomin
[¿¼ÑÐ] 285Çóµ÷¼Á +5 mapmath 2026-04-06 6/300 2026-04-06 17:18 by À¶ÔÆË¼Óê
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û