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Another method to correlate inhibition efficiency with parameters of molecular structure is to calculate the fraction of electrons transferred from inhibitor to metal surface. According to Koopman¡¯s theorem[53], EHOMOandELUMO of the inhibitor molecule are related to the ionization potential (I) and the electron affinity (A), respectively. The ionization potential and the electron affinity are defined asI=EHOMOandA=ELUMO, respectively. Then absolute electronegativity (v) and global hardness (c) of the inhibitor molecule are approximated as follows Õâ¶Î»°ÊǹØÓÚ¼ÆËã¡÷NµÄ£¬µ«ÊÇÀïÃæµÄרҵÊõÓï²»Ã÷È·£¬Çë¸ßÊÖ°ïæ¹æ·¶µÄ·Òëһϡ£Ð»Ð»¡£ Èç¹û¿ÉÒԵϰ £¬Çë°ïæ½âÊÍһϡ÷NµÄÒâÒå¡£²»Ê¤¸Ð¼¤ |
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3Â¥2013-12-17 14:28:49
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4Â¥2013-12-17 14:33:41
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5Â¥2013-12-17 14:58:46














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