No subject


Tue Jan 3 16:17:05 CET 2006


I would need the eos/tetra/rhomb.lat and .ene files for further analysis.
(sent to my private email).

Regards

> I am having some formatting problems with the output of "elast", the package
> that calculates elastic constants.
> I could succesfullly calculate the elastic cosntants of bcc vanadium, but now
> I want to calculate the elastic constants on a 2x2x2 supercell V15X1 supercell
> with central impurity.
> I first try to reproduce my results on the16 atom pure V supercell (ie X=V).
> For this I use an 'unsymmetrized' supercell with all 16 atoms treated as
> inequivalent and let the symmetry initalization properly take care of symmetry
> for the tetagonal and rhombohedral distortions (the init.struct is pasted
> below).
> The calculations driven by the scripts run smoothly, but when I run the
> analysis scripts of elast, I get files with formatting issues, see samples
> below. I have the same problem for the supercell with central impurity.
> Has anyone experienced this kind of problem with elast?
> 
> Thanks in advance,
> Olivier Delaire.
> 
> #### rhomb.fit ####
> 
> -0.040000 ************
> -0.039200 ************
> -0.038400 ************
> -0.037600 ************
> 
> (etc...)
> 
> #### eos.fit ####
> ********* ************
> ********* ************
> ********* ************
> (etc)
> 
> #### init.struct ####
> 
> VX 16 atom supercell for elast                             P
> LATTICE,NONEQUIV.ATOMS: 16                             MODE OF CALC=RELA
> unit=bohr
> 11.324150 11.324150 11.324150 90.000000 90.000000 90.000000
> ATOM  -1: X=0.50000000 Y=0.50000000 Z=0.50000000
>          MULT= 1          ISPLIT= 8
> V X        NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                     0.0000000 1.0000000 0.0000000
>                     0.0000000 0.0000000 1.0000000
> ATOM   2: X=0.25000000 Y=0.25000000 Z=0.25000000
>          MULT= 1          ISPLIT= 8
> V 1nn-1    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM   3: X=0.75000000 Y=0.75000000 Z=0.75000000
>          MULT= 1          ISPLIT= 8
> V 1nn-2    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM   4: X=0.75000000 Y=0.25000000 Z=0.25000000
>          MULT= 1          ISPLIT= 8
> V 1nn-3    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM   5: X=0.25000000 Y=0.75000000 Z=0.75000000
>          MULT= 1          ISPLIT= 8
> V 1nn-4    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM   6: X=0.75000000 Y=0.75000000 Z=0.25000000
>          MULT= 1          ISPLIT= 8
> V 1nn-5    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM   7: X=0.25000000 Y=0.25000000 Z=0.75000000
>          MULT= 1          ISPLIT= 8
> V 1nn-6    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM   8: X=0.25000000 Y=0.75000000 Z=0.25000000
>          MULT= 1          ISPLIT= 8
> V 1nn-7    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM   9: X=0.75000000 Y=0.25000000 Z=0.75000000
>          MULT= 1          ISPLIT= 8
> V 1nn-8    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM  10: X=0.50000000 Y=0.50000000 Z=0.00000000
>          MULT= 1          ISPLIT= 8
> V 2nn-1    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM  11: X=0.00000000 Y=0.50000000 Z=0.50000000
>          MULT= 1          ISPLIT= 8
> V 2nn-2    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM  12: X=0.50000000 Y=0.00000000 Z=0.50000000
>          MULT= 1          ISPLIT= 8
> V 2nn-3    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM  13: X=0.50000000 Y=0.00000000 Z=0.00000000
>          MULT= 1          ISPLIT= 8
> V 3nn-1    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM  14: X=0.00000000 Y=0.50000000 Z=0.00000000
>          MULT= 1          ISPLIT= 8
> V 3nn-2    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM  15: X=0.00000000 Y=0.00000000 Z=0.50000000
>          MULT= 1          ISPLIT= 8
> V 3nn-3    NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
> ATOM  16: X=0.00000000 Y=0.00000000 Z=0.00000000
>          MULT= 1          ISPLIT= 8
> V 5nn      NPT=  781  R0=0.00010000 RMT=    2.2000   Z: 23.0
> LOCAL ROT MATRIX:    0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>                     0.0000000 0.0000000 0.0000000
>   0      NUMBER OF SYMMETRY OPERATIONS
> 
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> 


                                      P.Blaha
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Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
Phone: +43-1-58801-15671             FAX: +43-1-58801-15698
Email: blaha at theochem.tuwien.ac.at    WWW: http://info.tuwien.ac.at/theochem/
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