[DFTB-Plus-User] How to fit the original SCC-DFTB parameter to the ZBL?

[jsxz]

Dear sir,
       When simulating the collision process of high energy, I need to fit the original SCC-DFTB parameters at close distances (<0.2 A) to the binary Ziegler-Biersack-Littmark(ZBL) repulsive potentials. I do not know how to fit or rectify the SK parameter?
       Can anybody provide some suggestion for the fit?



Thanks a lot!
Xiaobao Zhang

       


       


         
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