Hi
I have to make hexagonal and fcc structure. But in primitive unit cell ,there are 9 atoms (hcp) and 27atoms +3 vacancies (fcc) . If i want to take more number of atoms in same structure e.g 27 atoms in hcp or more. How i can do this? and is it beneficial for accurate results???
Please help me.
I ll be very thankful to all.
S.Sidhu
Number of atoms
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