[Pw_forum] STOP ERROR reading file header

[Eyvaz Isaev]

Dear Eli, 

First, are you familiar with Fortran? If not, please learn about formatted 
input/output. 


The stars mean you use more than 9999 k-points that seems to be quite 
unreasonable.  Use less k-points.

Bests,
Eyvaz.
-------------------------------------------------------------------
Prof. Eyvaz Isaev, 
Department of Physics, Chemistry, and Biology (IFM), Linkoping University, 
Sweden 

Theoretical Physics Department, Moscow State Institute of Steel & Alloys, 
Russia, 

isaev at ifm.liu.se, eyvaz_isaev at yahoo.com




________________________________
From: Elie Moujaes <elie.moujaes at hotmail.co.uk>
To: pw_forum at pwscf.org
Sent: Fri, July 30, 2010 3:35:46 PM
Subject: [Pw_forum] STOP ERROR reading file header

 Dear All, I am doing calculations for the band structure of bilayer graphene in 
the presence of an electric field. I reached the stage where the .DAT file was 
produced. However when i executed the plotband.x common using 
/espresso-4.2/bin/plotband.x  and input"ed" the .DAT I got the error:
 
STOP ERROR reading file header.
 
When I checked the .DAT file I realized that the header is strange as it 
contains four stars (****) and looked like that:
 

&plot nbnd=  12, nks=**** /
            0.000000  0.000000  0.000000
 -18.176 -18.014  -6.915  -5.899  -1.571  -1.571  -1.546  -1.546   4.547   5.693
   6.616   9.569
            0.000000  0.010497  0.000000
 -18.174 -18.012  -6.913  -5.896  -1.579  -1.576  -1.554  -1.550   4.550   5.696
   6.619   9.571
            0.000000  0.020995  0.000000
 -18.168 -18.006  -6.905  -5.889  -1.603  -1.589  -1.578  -1.564   4.558   5.704
   6.626   9.578
            0.000000  0.031492  0.000000
 -18.158 -17.997  -6.893  -5.878  -1.643  -1.611  -1.618  -1.586   4.571   5.717
   6.639   9.589
            0.000000  0.041989  0.000000

...................
 
I tried to re-execute the bands.x command several times but in vain as the 4 
stars re-appeared everytime. Does anyone know why is this occuring and how to 
treat it?
 
Thanks
 
Elie A. M.
School of physics and astronomy
University of Nottingham
NG7 2RD
UK


      
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