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sobereva
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klaus1987
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- ºì»¨: 3
- Ìû×Ó: 122
- ÔÚÏß: 117.5Сʱ
- ³æºÅ: 1561644
- ×¢²á: 2012-01-03
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3Â¥2013-06-28 09:08:08
sobereva
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- Ó¦Öú: 226 (´óѧÉú)
- ¹ó±ö: 5.4
- ½ð±Ò: 2180.5
- ºì»¨: 217
- Ìû×Ó: 1241
- ÔÚÏß: 366.8Сʱ
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4Â¥2013-06-28 15:23:19
klaus1987
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- Ìû×Ó: 122
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5Â¥2013-06-29 16:57:31
klaus1987
ͳæ (СÓÐÃûÆø)
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- ºì»¨: 3
- Ìû×Ó: 122
- ÔÚÏß: 117.5Сʱ
- ³æºÅ: 1561644
- ×¢²á: 2012-01-03
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ó²ÄÁϽṹÓëÐÔÄÜ
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ÓÐһƪÎÄÏ×Àï˵NPAµçºÉ¿ÉÄÜÒòΪÕý½»Î²¶ø³ö´í£¬ÔÎÄÈçÏ The NPA charges employ explicitly orthogonalized (natural) atomic orbitals, and thus solve the overlap population problem. Nevertheless, we have found the NPA analysis to yield still unphysically large charges, giving a too ionic picture of covalent bonds. Presumably, the extension of the basis functions over a much larger region of space than one atom, either due to the orthogonality tails on other atoms, or due to the diffuse character of the primitive basis functions, hampers a realistic charge analysis. The use of basis set dependent methods as a tool to analyze the atomic charges is therefore questionable. À´×ÔVoronoi Deformation Density (VDD) Charges: Assessment of the Mulliken, Bader, Hirshfeld, Weinhold, and VDD Methods for Charge Analysis |
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sobereva
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- ½ð±Ò: 2180.5
- ºì»¨: 217
- Ìû×Ó: 1241
- ÔÚÏß: 366.8Сʱ
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- ×¢²á: 2006-09-23
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klaus1987
ͳæ (СÓÐÃûÆø)
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- ½ð±Ò: 196.7
- ºì»¨: 3
- Ìû×Ó: 122
- ÔÚÏß: 117.5Сʱ
- ³æºÅ: 1561644
- ×¢²á: 2012-01-03
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ó²ÄÁϽṹÓëÐÔÄÜ
8Â¥2013-06-30 18:05:25














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