Dear siesta users:
Now I have to convert the pseudopotential upf format used in ATK into psf 
format used in Siesta or vice versa.
And I saw they are generated by the same progaram "ATOM",so there must be some 
way to convert them mutually.
The head of upf file:
---------------------------------------------------------
<PP_INFO>
 ATM3      no_date   Troullier-Martins                       
</PP_INFO>
<PP_HEADER>
    0                  Version Number
    C                  Element
   NC                  Norm - Conserving pseudopotential
    T                  Nonlinear Core Correction
 SLA  PW   PBE  PBE    PBE  Exchange-Correlation functional
                4      Z valence
                0      Total energy
  0.0000000  0.0000000 Suggested cutoff for wfc and rho
    3                  Max angular momentum component
 1006                  Number of points in mesh
    4    4             Number of Wavefunctions, Number of Projectors
 Wavefunctions         nl  l   occ
                       2S  0  2
                       2P  1  2
                       3D  2  0
                       4F  3  0
</PP_HEADER>
-----------------------------------------------------
while the head of psf file:
------------------------------------------------
 N  pb nrl pcec
 ATM3      12-MAR-06 Troullier-Martins                       
 2s 2.00  r= 1.24/2p 3.00  r= 1.24/3d 0.00  r= 1.24/4f 0.00  r= 1.24/  
   4  0 1018  0.354107453809E-03  0.125000000000E-01   5.00000000000    
 Radial grid follows
-------------------------------------------------------
So they are both generate by ATOM,but in siesta ,the ATOM does not have the 
functional to generate upf format.

Who can help me out?

Thanks in advance!

Yours Guangping
2010-09-29



Guangping Zhang

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