[Pw_forum] IFCs and Difference between unit cell and supercell

karan deep karandeepster at gmail.com
Sat Oct 20 20:03:59 CEST 2012

thanks for replies

> 510.2 cm-1
>this is the optical mode. All other zone-center modes of the sc lattice
>do not correspond to zone-center modes of the fcc lattice.

 could u please provide  any information  regarding method
 on how to find out  zone-center modes  calculated from  *any
supercell* that actually belongs zone-center modes of primitive unit

Research Scholar
Physics Department,
IIT,  Delhi
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