[Pw_forum] about lattice basis vectors?

[Stefano de Gironcoli]

Fan Yang wrote:
> Dear everyone,
>          I have a simple question about the setting of PWGUI, namely, 
> does the lattice basis vectors in "CELL_PARAMETERS" refer to real 
> lattice or reciprocal lattice?  and what does the lattice type mean, 
> since it has only two choices-cubic and hexagpnal?
>          Thanks in advance.
1) The real lattice.
2) cubic/hexagonal refer to whether the symmetry group of the lattice 
has to be searched among the subgroups of cubic or simple hexagonal  groups.

stefano


>  
> ======================================
> Fan Yang
> PH.D Candidate in Electrochemistry                     
> College of Chemistry and Molecular Science           
> Wuhan University,/430072/,Hubei Province,China 
> /E-mail:shrek_826 at yahoo.com.cn/
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