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CCSD(T) = Cai Cai Shui Dong (Ta)=²Â²ÂË­¶®£¨Ëü£©

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on the MCQDPT2 vs. XMCQDPT2 approach applied to modeling of low-lying excited states of ozone molecule
http://classic.chem.msu.su/gran/ ... s-xmcqdpt-in-O3.pdf

on Conical Intersections and Multiconfiguration Quasi-Degenerate Perturbation Theories
http://classic.chem.msu.su/gran/gamess/conic-qdpt.pdf

¶Ôallene moleculeµÄConical IntersectionsÒÔ¼°O3µÄ low-lying stateµÄÑо¿±íÃ÷£¬FireFly µÄ XMCQDPT Ô¶ºÃÓÚ GAMESSµÄMCQDPT¡¢MOLCAS/MOLPROС×éµÄMS-CASPT2ÒÔ¼°QD-NEVPT2¡£

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