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【求助】重金求專家解決:如何給過渡金屬加半經(jīng)驗參數(shù)?
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各位專家:你們好! 我用半經(jīng)驗方法優(yōu)化不了 Cu, Pt等重金屬或過渡金屬。可是發(fā)表在JACS上的一篇文獻(xiàn)做到了。他們是怎么做到的呢? 文獻(xiàn)題目為:Carbonyl-Ene Reactions Catalyzed by Bis(oxazoline) Copper (II) Complexes Proceed by a Facile Stepwise Mechanism: DFT and ONIOM (DFT: PM3) Studies 他是這樣做到的:The ONIOM calculations were carried out with a slightly modified version of Gaussian98 developed by us which incorporates the semiempirical parameterization for transition metals (from ref. 11). 其中 ref.11 :為 (a) Thiel, W.; Voityuk, A. A. Theor. Chim. Acta 1992, 81, 391 404. (b) Thiel, W.; Voityuk, A. A. Theor. Chim. Acta 1996, 93, 315. (c) HyperChem, Hypercube, Inc.: Gainesville, FL 三篇參考文獻(xiàn)。 我想知道怎樣給過渡金屬加半經(jīng)驗參數(shù)呢?具體怎么操作呢? [ Last edited by yjcmwgk on 2010-9-7 at 12:32 ] |



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