[Pw_forum] fc file

[Paolo Giannozzi]

On Fri, 2013-12-06 at 11:25 +0000, Alex Granov wrote:

> In QHA examples there is a file called *.fc and it seems that 
> the file should be present to compute thermodynamics properties. 
> Is fc file related to force constants 

it is

> and how we can prepare it ?

phonon calculation for a grid of wave-vectors + q2r.x utility. 
See e.g. PHonon/examples/example02 

P.

-- 
 Paolo Giannozzi, Dept. Chemistry&Physics&Environment, 
 Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
 Phone +39-0432-558216, fax +39-0432-558222