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# NaCl example
Details are presented on the phonopy document at
http://phonopy.github.io/phonopy/examples.html. Shortly the usage is shown here,
too.
The supercells with displacements were created by
```bash
% phonopy -d --dim 2 2 2 --pa auto -c POSCAR-unitcell
```
`FORSE_SETS` is obtained by
```bash
% phonopy -f vasprun.xml-001 vasprun.xml-002
```
Band structure is plotted by
```bash
% phonopy-load -p --band "0.0 0.0 0.0 0.5 0.0 0.0 0.5 0.5 0.0 0.0 0.0 0.0 0.5 0.5 0.5"
```
PDOS is plotted by:
```bash
% phonopy-load -p --mesh 15 15 15 --pdos "1, 2"
```
Both are plotted together by:
```bash
% phonopy-load -p --band "0.0 0.0 0.0 0.5 0.0 0.0 0.5 0.5 0.0 0.0 0.0 0.0 0.5 0.5 0.5" --mesh 15 15 15 --pdos "1, 2"
```
NaCl.py, NaCl-yaml.py, and NaCl-read_write_fc.py are phonopy API examples, which are executed by, e.g.,
```bash
% python NaCl.py
```
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