[Wien] Antiferromagnetic calculation & EFG !!

[reza osaty]

Dear All ;

 I have two questions :

 What the meaning of EFG ? I think that this parameter is a tensor but the
result of wien2k is a number !

 How can we find that the ground state of a system is ferro or antiferro ?
 for example  Etot can help us to find that which structure is the best . Is
there any parameter to help us for finding the ground state (ferro or
antiferro) ?

Thanks for your attention
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