[Pw_forum] error # 800

Masoud Nahali masoudnahali at live.com
Tue May 18 22:45:42 CEST 2010


Dear Quantum Espresso Users

I have a simulation system with 72 Au atoms in a 
slab form. My OS is Ubuntu and the used compiler is gfortran.

The k-points are 2*1*1.
Position of Atoms :
Cartesian axes

    
 site n.     atom                  positions (a_0 units)

         1           Au  tau(  1) = (   0.0000000   0.0000000   
0.0000000  )
         2           Au  tau(  2) = (   0.1666180   
0.1666180   0.0000000  )
         3           Au  tau(  3) = (   
0.0000000   0.1666180   0.1666180  )


         4           Au  tau(  4) = (   0.1666180   0.0000000   
0.1666180  )
         5           Au  tau(  5) = (   0.3332361   
0.0000000   0.0000000  )
         6           Au  tau(  6) = (   
0.4998541   0.1666180   0.0000000  )


         7           Au  tau(  7) = (   0.3332361   0.1666180   
0.1666180  )
         8           Au  tau(  8) = (   0.4998541   
0.0000000   0.1666180  )
         9           Au  tau(  9) = (   
0.6664721   0.0000000   0.0000000  )


        10           Au  tau( 10) = (   0.8330901   0.1666180   
0.0000000  )
        11           Au  tau( 11) = (   0.6664721   
0.1666180   0.1666180  )
        12           Au  tau( 12) = (   
0.8330901   0.0000000   0.1666180  )


        13           Au  tau( 13) = (   0.0000000   0.3332361   
0.0000000  )
        14           Au  tau( 14) = (   0.1666180   
0.4998541   0.0000000  )
        15           Au  tau( 15) = (   
0.0000000   0.4998541   0.1666180  )


        16           Au  tau( 16) = (   0.1666180   0.3332361   
0.1666180  )
        17           Au  tau( 17) = (   0.3332361   
0.3332361   0.0000000  )
        18           Au  tau( 18) = (   
0.4998541   0.4998541   0.0000000  )


        19           Au  tau( 19) = (   0.3332361   0.4998541   
0.1666180  )
        20           Au  tau( 20) = (   0.4998541   
0.3332361   0.1666180  )
        21           Au  tau( 21) = (   
0.6664721   0.3332361   0.0000000  )


        22           Au  tau( 22) = (   0.8330901   0.4998541   
0.0000000  )
        23           Au  tau( 23) = (   0.6664721   
0.4998541   0.1666180  )
        24           Au  tau( 24) = (   
0.8330901   0.3332361   0.1666180  )


        25           Au  tau( 25) = (   0.0000000   0.6664721   
0.0000000  )
        26           Au  tau( 26) = (   0.1666180   
0.8330901   0.0000000  )
        27           Au  tau( 27) = (   
0.0000000   0.8330901   0.1666180  )


        28           Au  tau( 28) = (   0.1666180   0.6664721   
0.1666180  )
        29           Pd  tau( 29) = (   0.3332361   
0.6664721   0.0000000  )
        30           Au  tau( 30) = (   
0.4998541   0.8330901   0.0000000  )


        31           Au  tau( 31) = (   0.3332361   0.8330901   
0.1666180  )
        32           Au  tau( 32) = (   0.4998541   
0.6664721   0.1666180  )
        33           Pd  tau( 33) = (   
0.6664721   0.6664721   0.0000000  )


        34           Au  tau( 34) = (   0.8330901   0.8330901   
0.0000000  )
        35           Au  tau( 35) = (   0.6664721   
0.8330901   0.1666180  )
        36           Au  tau( 36) = (   
0.8330901   0.6664721   0.1666180  )


        37           Au  tau( 37) = (   0.0000000   0.0000000   
0.3332361  )
        38           Au  tau( 38) = (   0.1666180   
0.1666180   0.3332361  )
        39           Au  tau( 39) = (   
0.0000000   0.1666180   0.4998541  )


        40           Au  tau( 40) = (   0.1666180   0.0000000   
0.4998541  )
        41           Au  tau( 41) = (   0.3332361   
0.0000000   0.3332361  )
        42           Au  tau( 42) = (   
0.4998541   0.1666180   0.3332361  )


        43           Au  tau( 43) = (   0.3332361   0.1666180   
0.4998541  )
        44           Au  tau( 44) = (   0.4998541   
0.0000000   0.4998541  )
        45           Au  tau( 45) = (   
0.6664721   0.0000000   0.3332361  )


        46           Au  tau( 46) = (   0.8330901   0.1666180   
0.3332361  )
        47           Au  tau( 47) = (   0.6664721   
0.1666180   0.4998541  )
        48           Au  tau( 48) = (   
0.8330901   0.0000000   0.4998541  )


        49           Au  tau( 49) = (   0.0000000   0.3332361   
0.3332361  )
        50           Au  tau( 50) = (   0.1666180   
0.4998541   0.3332361  )
        51           Au  tau( 51) = (   
0.0000000   0.4998541   0.4998541  )


        52           Au  tau( 52) = (   0.1666180   0.3332361   
0.4998541  )
        53           Au  tau( 53) = (   0.3332361   
0.3332361   0.3332361  )
        54           Au  tau( 54) = (   
0.4998541   0.4998541   0.3332361  )


        55           Au  tau( 55) = (   0.3332361   0.4998541   
0.4998541  )
        56           Au  tau( 56) = (   0.4998541   
0.3332361   0.4998541  )
        57           Au  tau( 57) = (   
0.6664721   0.3332361   0.3332361  )


        58           Au  tau( 58) = (   0.8330901   0.4998541   
0.3332361  )
        59           Au  tau( 59) = (   0.6664721   
0.4998541   0.4998541  )
        60           Au  tau( 60) = (   
0.8330901   0.3332361   0.4998541  )


        61           Au  tau( 61) = (   0.0000000   0.6664721   
0.3332361  )
        62           Au  tau( 62) = (   0.1666180   
0.8330901   0.3332361  )
        63           Au  tau( 63) = (   
0.0000000   0.8330901   0.4998541  )


        64           Au  tau( 64) = (   0.1666180   0.6664721   
0.4998541  )
        65           Au  tau( 65) = (   0.3332361   
0.6664721   0.3332361  )
        66           Au  tau( 66) = (   
0.4998541   0.8330901   0.3332361  )


        67           Au  tau( 67) = (   0.3332361   0.8330901   
0.4998541  )
        68           Au  tau( 68) = (   0.4998541   
0.6664721   0.4998541  )
        69           Au  tau( 69) = (   
0.6664721   0.6664721   0.3332361  )


        70           Au  tau( 70) = (   0.8330901   0.8330901   
0.3332361  )
        71           Au  tau( 71) = (   0.6664721   
0.8330901   0.4998541  )
        72           Au  tau( 72) = (   
0.8330901   0.6664721   0.4998541  )




Out put file :

number of k points=     4  gaussian 
broad. (Ry)=  0.0100     ngauss =   1
                       cart. 
coord. in units 2pi/a_0
        k(    1) = (   0.2500000   0.2500000 
 -0.2500000), wk =   0.5000000


        k(    2) = (  -0.2500000   0.2500000   0.2500000), wk =   
0.5000000
        k(    3) = (   0.2500000   0.2500000  -0.2500000), 
wk =   0.5000000
        k(    4) = (  -0.2500000   0.2500000   
0.2500000), wk =   0.5000000



     G cutoff = 4067.9500  (2173519 G-vectors)     FFT grid: 
(128,128,256)
     G cutoff = 2169.5734  ( 846635 G-vectors)  smooth 
grid: ( 96, 96,192)

     Largest allocated arrays     est. size 
(Mb)     dimensions


        Kohn-Sham Wavefunctions       765.64 Mb     ( 105858, 474)
       
 NL pseudopotentials          1511.89 Mb     ( 105858, 936)
        
Each V/rho on FFT grid        128.00 Mb     (4194304,   2)
        
Each G-vector array            16.58 Mb     (2173519)


        G-vector shells                 0.06 Mb     (   7460)
     
Largest temporary arrays     est. size (Mb)     dimensions
        
Auxiliary wavefunctions     -1033.46 Mb     ( 105858,1896)
        
Each subspace H/S matrix       54.85 Mb     (   1896,1896)


        Each <psi_i|beta_j> matrix      6.77 Mb     (    936, 474)
       
 Arrays for rho mixing         512.00 Mb     (4194304,   8)

     
Check: negative/imaginary core charge=   -0.000019    0.000000



     Initial potential from superposition of free atoms
     
Check: negative starting charge=(component1):   -0.000220
     Check:
 negative starting charge=(component2):   -0.000216

     starting
 charge  789.99136, renormalised to  790.00000



     negative rho (up, down):  0.220E-03 0.216E-03
     Starting 
wfc are  642 atomic wfcs

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    
 from cdiaghg : error #       800
     diagonalization (ZHEGV*) 
failed


 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     stopping ...
 

I
 have checked all of points in user guide except compiling of LAPACK , 
ATLAS.

Would you please help me about this error ?

Many Thanks
Masoud


 		 	   		  
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