[Wien] How to get exact 25% doping ?

[tran at theochem.tuwien.ac.at]

It's not possible to get 31 atoms in a 2*2*2 supercell,
unless you manually removed one. I guess it should be 32 in your case.

On Sun, 25 May 2014, Naseem Hassan wrote:

> Dear community Fellows
> 
> I created a 2*2*2 supercell and got 31 Cd atoms. I want to replace Cd atoms
> by Zn atoms so that to get 25% of doping. 25% of 31 atoms is 7.75 which is
> not a whole number. How to obtain whole number to get exact 25% of doping ?.
> 
> Thank You All
> Naseem
> 
>