[Wien] Phonopy

[Rajneesh Chaurasiya]

Dear Sir,

I have computed the phonon spectrum of example of NaCl and SrTiO3
successfully now when i started the new calculation. in that calculation i
construct the case.struct file and after initialization i make a supercell
(2 2 2) and create a displacement then it change change the space group.
initially my space group is Fm3m and after creating the displacement it
become C2/m. I thing some thing is happening in a unusual way so any one
can help?

The procedure which i follow.

makestruct..
cp init.struct BP.struct
init_lapw
phonopy --wien2k -c BP.struct -d --dim="2 2 2"
 at this steps the erorrs looks like...


_ __ | |__   ___  _ __   ___   _ __  _   _
 | '_ \| '_ \ / _ \| '_ \ / _ \ | '_ \| | | |
 | |_) | | | | (_) | | | | (_) || |_) | |_| |
 | .__/|_| |_|\___/|_| |_|\___(_) .__/ \__, |
 |_|                            |_|    |___/
                                      1.10.0

Python version 2.7.11
Creating displacements
Settings:
  Supercell: [2 2 2]
Spacegroup: C2/m (12)
Number of non-equivalent atoms in BP.structS-001: 80
Number of non-equivalent atoms in BP.structS-002: 80
Number of non-equivalent atoms in BP.structS-003: 52
Number of non-equivalent atoms in BP.structS-004: 52
Number of non-equivalent atoms in BP.structS-005: 80
Number of non-equivalent atoms in BP.structS-006: 52
Number of non-equivalent atoms in BP.structS-007: 80
Number of non-equivalent atoms in BP.structS-008: 52
Number of non-equivalent atoms in BP.structS-009: 80
Number of non-equivalent atoms in BP.structS-010: 80
Number of non-equivalent atoms in BP.structS-011: 52
Number of non-equivalent atoms in BP.structS-012: 52
Number of non-equivalent atoms in BP.structS-013: 80
Number of non-equivalent atoms in BP.structS-014: 80
Number of non-equivalent atoms in BP.structS-015: 80
Number of non-equivalent atoms in BP.structS-016: 80
Number of non-equivalent atoms in BP.structS-017: 80
Number of non-equivalent atoms in BP.structS-018: 80

disp.yaml and supercells have been created.
                 _
   ___ _ __   __| |
  / _ \ '_ \ / _` |
 |  __/ | | | (_| |
  \___|_| |_|\__,_|



-- 
Thanks & Regards
Rajneesh Chaurasiya
Junior Research Fellow
IIT,Jodhpur, India
Mob. No. +91-9584499697
              +91-7610950803
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