[Wien] optization cmca

[yavar taghipour]

Dear wien  users

i  have  a  problem in  my project
my project  is "study of properties of haigh pressure semiconductors"
I  can't  optimize cmca  phase  of  silicon  and Ge  "  when i optimize that
my results about their  Equilibrium  volume  20%  more  than
experimental  results
in  wien2k optimize program

and my positions in structgen  is  correct (in  compare  with others works)

where may  i  have  mistake
thank you for  your  considration