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jingshanfeiyan

[交流] [求助]:水环境下药剂与矿物的吸附能

计算药剂在矿物表面的吸附能,公式:
Eadsorption=Etotal-(Esurface+Ereagent)
我在计算的时候考虑了水环境,在这种情况下,Esurface和Ereagent是包括水环境时的能量吗?
Ead=-62184.288366-(-62120.903020-5578.472741)kCal/mol= 5515.087x4.2KJ/mol= 23163.37KJ/mol(表面和水都考虑水环境)
Ead=-62184.288366-( -55464.974190-5578.472741)kCal/mol= -1140.84x4.2KJ/mol= -4791.53KJ/mol(表面不考虑水,药剂被水包围)
Ead=-62184.288366-(-62120.903020 -21.340524)kCal/mol= -42.045x4.2KJ/mol= -176.588KJ/mol(表面考虑水,药剂在真空环境)
第一种计算出的结论是错误的,那我应该用什么方法呢?

是不是用这个公式:
Ead=Et-(Esurface+Ereagent+Ewater)
??
哪位知道的请指教一下。

[ Last edited by jingshanfeiyan on 2008-7-20 at 12:09 ]
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