[Pw_forum] "Found additional translation"

Gabriele Sclauzero sclauzer at sissa.it
Tue Feb 3 09:34:23 CET 2009


Green Power wrote:
> Dear PWscf user,
> In my outfile, there appear several lines like "Found additional 
> translation:    0.0000    0.5000   -0.5000". Does it mean a supercell in 
> my input? 

It should mean exactly that in my knowledge.

> But I directly use the fractional coordinates of cif file from 
> CSD. 

I don't know if this format can be feed directly to pw input.

> My system is orthorhombic S8 (Fddd), and atomic postions in the 
> input is as follows. Could you give my any suggestions? Thanks.

Try to give a look to your system with Xcrysden. You can feed it directly with the pw 
input like this

xcrysden --pwi yourinputfile

Please provide affiliation for the next posts, since this is the netiquette of this Forum. 
Thaks

Bests,

GS


> Tian
> 
> ATOMIC_POSITIONS {crystal}
> S       0.8558  0.9527  -0.0485
> S       0.7073  0.9798  0.0041
> S       0.7842  1.0302  0.0762
> S       0.786   0.9077  0.1295
> S       0.8942  0.7973  -0.0485
> S       0.964   0.8423  0.1295
> S       1.0427  0.7702  0.0041
> S       0.9658  0.7198  0.0762
> S       0.8558  0.4527  0.4515
> S       0.7073  0.4798  0.5041
> S       0.7842  0.5302  0.5762
> S       0.786   0.4077  0.6295
> S       0.8942  0.2973  0.4515
> S       0.964   0.3423  0.6295
> S       1.0427  0.2702  0.5041
> S       0.9658  0.2198  0.5762
> S       0.3558  0.9527  0.4515
> S       0.2073  0.9798  0.5041
> S       0.2842  1.0302  0.5762
> S       0.286   0.9077  0.6295
> S       0.3942  0.7973  0.4515
> S       0.464   0.8423  0.6295
> S       0.5427  0.7702  0.5041
> S       0.4658  0.7198  0.5762
> S       0.3558  0.4527  -0.0485
> S       0.2073  0.4798  0.0041
> S       0.2842  0.5302  0.0762
> S       0.286   0.4077  0.1295
> S       0.3942  0.2973  -0.0485
> S       0.464   0.3423  0.1295
> S       0.5427  0.2702  0.0041
> S       0.4658  0.2198  0.0762
> S       0.1442  0.2027  0.2015
> S       0.2927  0.2298  0.2541
> S       0.2158  0.2802  0.3262
> S       0.214   0.1577  0.3795
> S       0.1058  0.0473  0.2015
> S       0.036   0.0923  0.3795
> S       -0.0427 0.0202  0.2541
> S       0.0342  -0.0302 0.3262
> S       0.1442  0.7027  0.7015
> S       0.2927  0.7298  0.7541
> S       0.2158  0.7802  0.8262
> S       0.214   0.6577  0.8795
> S       0.1058  0.5473  0.7015
> S       0.036   0.5923  0.8795
> S       -0.0427 0.5202  0.7541
> S       0.0342  0.4698  0.8262
> S       0.6442  0.2027  0.7015
> S       0.7927  0.2298  0.7541
> S       0.7158  0.2802  0.8262
> S       0.714   0.1577  0.8795
> S       0.6058  0.0473  0.7015
> S       0.536   0.0923  0.8795
> S       0.4573  0.0202  0.7541
> S       0.5342  -0.0302 0.8262
> S       0.6442  0.7027  0.2015
> S       0.7927  0.7298  0.2541
> S       0.7158  0.7802  0.3262
> S       0.714   0.6577  0.3795
> S       0.6058  0.5473  0.2015
> S       0.536   0.5923  0.3795
> S       0.4573  0.5202  0.2541
> S       0.5342  0.4698  0.3262
> S       0.1442  0.0473  1.0485
> S       0.2927  0.0202  0.9959
> S       0.2158  -0.0302 0.9238
> S       0.214   0.0923  0.8705
> S       0.1058  0.2027  1.0485
> S       0.036   0.1577  0.8705
> S       -0.0427 0.2298  0.9959
> S       0.0342  0.2802  0.9238
> S       0.1442  0.5473  0.5485
> S       0.2927  0.5202  0.4959
> S       0.2158  0.4698  0.4238
> S       0.214   0.5923  0.3705
> S       0.1058  0.7027  0.5485
> S       0.036   0.6577  0.3705
> S       -0.0427 0.7298  0.4959
> S       0.0342  0.7802  0.4238
> S       0.6442  0.0473  0.5485
> S       0.7927  0.0202  0.4959
> S       0.7158  -0.0302 0.4238
> S       0.714   0.0923  0.3705
> S       0.6058  0.2027  0.5485
> S       0.536   0.1577  0.3705
> S       0.4573  0.2298  0.4959
> S       0.5342  0.2802  0.4238
> S       0.6442  0.5473  1.0485
> S       0.7927  0.5202  0.9959
> S       0.7158  0.4698  0.9238
> S       0.714   0.5923  0.8705
> S       0.6058  0.7027  1.0485
> S       0.536   0.6577  0.8705
> S       0.4573  0.7298  0.9959
> S       0.5342  0.7802  0.9238
> S       0.8558  0.7973  0.7985
> S       0.7073  0.7702  0.7459
> S       0.7842  0.7198  0.6738
> S       0.786   0.8423  0.6205
> S       0.8942  0.9527  0.7985
> S       0.964   0.9077  0.6205
> S       1.0427  0.9798  0.7459
> S       0.9658  1.0302  0.6738
>  
> 
> 
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> 
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-- 


o ------------------------------------------------ o
| Gabriele Sclauzero, PhD Student                  |
| c/o:   SISSA & CNR-INFM Democritos,              |
|        via Beirut 2-4, 34014 Trieste (Italy)     |
| email: sclauzer at sissa.it                         |
| phone: +39 040 3787 511                          |
| skype: gurlonotturno                             |
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