On Mon, 5 Jun 2006, bipul rakshit wrote:

|   Sir , can you tell me one thing. There is a string in *.fdf file, which is 
an input file for fcbuild and vibrator
|    
|   SuperCell_1    0
|   SuperCell_2    0
|   SuperCell_3    0
|   What was that????

Bipul:
This is decribed on p.1 (Introduction) of User's Guide to Vibra.
You need SuperCell > 0 only if you want to calculate the dispersion.
Your problem seems to be with Gamma phonon already, 
so don't worry about the SuperCell_.

|   And one more thing how to displace all the atoms. i.e. is there any command 
which can be used in *.fdf file, so that all the atoms can be displaced..

Yes:

AtomicCoordinatesOrigin

Good luck,

Andrei Postnikov

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