Dear All,

I tried to perform calculations of charge density differences,  everything 
is okay but the last step stopped with the error message below


     Calling punch_plot, plot_num =   0
     Writing data to file  dif_den_2d
     Reading data from file  dif_den_2d
     Reading data from file  1_den_2d

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     Error in routine chdens (1):
     incompatible nr1x or nr2x
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

     stopping ...


I failed to figure out a solution for this problem. Can anyone  help me ? 
I look forward to receiving your solution.



1.scf.inp

 &CONTROL
                
 calculation = 'scf' ,
               
 restart_mode = 'from_scratch' ,
                     
 outdir = './' ,
                 
 pseudo_dir = '/home/jibiaoli/pseudo/PAW/' ,
                     
 prefix = '1' ,
 /
 &SYSTEM
                      
 ibrav = 8,
                  
 celldm(1) = 6.304348477,
                  
 celldm(2) = 1.262045157,
                  
 celldm(3) = 3.083983323,
                        
 nat = 4,
                       
 ntyp = 1,
                    
 ecutwfc = 45 ,
                    
 ecutrho = 411 ,
                  
 input_dft = 'vdw-df2-c09' ,
                
 occupations = 'smearing' ,
                    
 degauss = 0.02D0 ,
                   
 smearing = 'gaussian' ,
 /
 &ELECTRONS
            
electron_maxstep = 299,
                
 mixing_beta = 0.2D0 ,
             
diagonalization = 'david' ,
 /
ATOMIC_SPECIES
   P   30.974  P.pbe-n-kjpaw_psl.1.0.0.UPF
ATOMIC_POSITIONS angstrom
P             
0.0000000000        
2.4094683060        4.0537387833
P             
1.6680581066        
3.9060250702        4.0537379629
P             
1.6680581066        
0.3043042415        6.2347888040
P             
0.0000000000        
1.8008610056        6.2347879836
K_POINTS automatic 
  10 7 3   0 0 0 





2.scf.inp
 &CONTROL
                
 calculation = 'scf' ,
               
 restart_mode = 'from_scratch' ,
                     
 outdir = './' ,
                 
 pseudo_dir = '/home/jibiaoli/pseudo/PAW/' ,
                     
 prefix = '2' ,
 /
 &SYSTEM
                      
 ibrav = 8,
                  
 celldm(1) = 6.304348477,
                  
 celldm(2) = 1.262045157,
                  
 celldm(3) = 3.083983323,
                        
 nat = 4,
                       
 ntyp = 1,
                    
 ecutwfc = 45 ,
                    
 ecutrho = 411 ,
                  
 input_dft = 'vdw-df2-c09' ,
                
 occupations = 'smearing' ,
                    
 degauss = 0.02D0 ,
                   
 smearing = 'gaussian' ,
 /
 &ELECTRONS
            
electron_maxstep = 299,
                
 mixing_beta = 0.2D0 ,
             
diagonalization = 'david' ,
 /
ATOMIC_SPECIES
   P   30.974  P.pbe-n-kjpaw_psl.1.0.0.UPF
ATOMIC_POSITIONS angstrom
P             
1.6680581066        
1.8008597167        1.0905225510
P             
0.0000000000        
0.3043035013        1.0905229353
P             
1.6680581066        
2.4094695950        9.1980042159
P             
0.0000000000        
3.9060258103        9.1980038315
K_POINTS automatic 
  10 7 3   0 0 0 



bulk.scf.inp
 &CONTROL
                
 calculation = 'scf' ,
               
 restart_mode = 'from_scratch' ,
                     
 outdir = './' ,
                 
 pseudo_dir = '/home/jibiaoli/pseudo/PAW/' ,
                     
 prefix = 'bulk' ,
 /
 &SYSTEM
                      
 ibrav = 8,
                  
 celldm(1) = 6.304348477,
                  
 celldm(2) = 1.262045157,
                  
 celldm(3) = 3.083983323,
                        
 nat = 8,
                       
 ntyp = 1,
                    
 ecutwfc = 45 ,
                    
 ecutrho = 411 ,
                  
 input_dft = 'vdw-df2-c09' ,
                
 occupations = 'smearing' ,
                    
 degauss = 0.02D0 ,
                   
 smearing = 'gaussian' ,
 /
 &ELECTRONS
            
electron_maxstep = 299,
                
 mixing_beta = 0.2D0 ,
             
diagonalization = 'david' ,
 /
ATOMIC_SPECIES
   P   30.974  P.pbe-n-kjpaw_psl.1.0.0.UPF
ATOMIC_POSITIONS angstrom
P             
0.0000000000        
2.4094683060        4.0537387833
P             
1.6680581066        
3.9060250702        4.0537379629
P             
1.6680581066        
1.8008597167        1.0905225510
P             
0.0000000000        
0.3043035013        1.0905229353
P             
1.6680581066        
2.4094695950        9.1980042159
P             
0.0000000000        
3.9060258103        9.1980038315
P             
1.6680581066        
0.3043042415        6.2347888040
P             
0.0000000000        
1.8008610056        6.2347879836
K_POINTS automatic 
  10 7 3   0 0 0 





1_den_2d.pp.in
 &INPUTPP
                     
 prefix = '1' ,
                     
 outdir = './' ,
                    
 filplot = '1_den_2d' ,
                   
 plot_num = 0,
 /
 &PLOT
                      
 nfile = 1 ,
                  
 weight(1) = 1.0,
                    
 fileout = '1_den_2d.xsf' ,
                      
 iflag = 2 ,
              
 output_format = 3 ,
                      
 e1(1) = 0,
                      
 e1(2) = 1.379804477,
                      
 e1(3) = 0,
                      
 e2(1) = 0,
                      
 e2(2) = 0,
                      
 e2(3) = 3.390902419,
                      
 x0(1) = 0.5,
                      
 x0(2) = 0,
                      
 x0(3) = 0,
                         
 nx = 56 ,
                         
 ny = 138 ,
 /



2_den_2d.pp.in
 &INPUTPP
                     
 prefix = '2' ,
                     
 outdir = './' ,
                    
 filplot = '2_den_2d' ,
                   
 plot_num = 0,
 /
 &PLOT
                      
 nfile = 1 ,
                  
 weight(1) = 1.0,
                    
 fileout = '2_den_2d.xsf' ,
                      
 iflag = 2 ,
              
 output_format = 3 ,
                      
 e1(1) = 0,
                      
 e1(2) = 1.379804477,
                      
 e1(3) = 0,
                      
 e2(1) = 0,
                      
 e2(2) = 0,
                      
 e2(3) = 3.390902419,
                      
 x0(1) = 0.5,
                      
 x0(2) = 0,
                      
 x0(3) = 0,
                         
 nx = 56 ,
                         
 ny = 138 ,
 /



dif_den_2d.pp.in
 &INPUTPP
                     
 prefix = 'bulk' ,
                     
 outdir = './' ,
                    
 filplot = 'dif_den_2d' ,
                   
 plot_num = 0,
 /
 &PLOT
                      
 nfile = 3 ,
                  
 filepp(1) = 'dif_den_2d',
                  
 filepp(2) = '1_den_2d',
                  
 filepp(3) = '2_den_2d',
                  
 weight(1) = 1.0,
                  
 weight(2) = -1.0,
                  
 weight(3) = -1.0,
                    
 fileout = 'dif_den_2d.xsf' ,
                      
 iflag = 2 ,
              
 output_format = 3 ,
                      
 e1(1) = 0,
                      
 e1(2) = 1.379804477,
                      
 e1(3) = 0,
                      
 e2(1) = 0,
                      
 e2(2) = 0,
                      
 e2(3) = 3.390902419,
                      
 x0(1) = 0.5,
                      
 x0(2) = 0,
                      
 x0(3) = 0,
                         
 nx = 56 ,
                         
 ny = 138 ,
 /






Dr. Jibiao Li, 
Department of Material Science and Engineering
Yangtze Normal University
Juxian Dadao 16#, Fuling, Chongqing, China
Email: [email protected], [email protected], [email protected]
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