Dear Roberto,

" WARNING: Minimum split_norm parameter: 0.07713. Will not be able to generate
  orbital with split_norm = 0.07500

 See manual for new split options"

 --> may I ask which Si.psf are you using?. Both Tests\Pseudos\Si.psf
and Examples\Vps\Si.psf should work. I could alway get it running,
should should see something like below when using TZDP.

 "Number of atoms, orbitals, and projectors:      2    44    32"

 the above line was reproduce with the version siesta-trunk-339 with
Si example under TZDP.


"I could not find in the manual any reference for TZDP basis"
--> yes, seems that currently no manual about TZDP. I used to manually
set PAO.Basis to use TZDP before if there is no predefined TZDP
option. So read manual about PAO.Basis carefully, you can get a idea
what is TZDP. siesta version 3 have the option as predefined, that
simplified a lot work:-P


!----------
to Marcos Veríssimo Alves,

  Dear Marcos Veríssimo Alves, TZDP is predefined in siesta-3 and
siesta-trunk, even TZTP is predefined(thankful to siesta group).
Surely siesta-2 has no such option. When you look into the code
Src\basis_specs.f, you should see something like below

  write(6,'(/,2a,/,9(a,/))')
     .   'size_name: Incorrect basis-size option specified,',
     .   ' active options are:',
     .   '  SZ or MINIMAL',
     .   '  SZP, SZSP, SZ1P, SZP1',
     $   '  DZ ',
     $   '  DZP, DZSP, DZP1, DZ1P or STANDARD',
     $   '  DZDP, DZP2, DZ2P ',
     $   '  TZ ',
     $   '  TZP, TZSP, TZP1, TZ1P',
     $   '  TZDP, TZP2, TZ2P',
     $   '  TZTP, TZP3, TZ3P'

I have used TZDP for quite a while and nothing wrong happened :-P

Best Wishes,
lukuilin

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