Thank you so much for the guidance!  I am kind of newbie to Siesta! and have
tons of stupid questions:(

thanks!

On Tue, May 17, 2011 at 12:52 AM, <[email protected]> wrote:

> > Yeah, Usually how to come up with reasonable 'initial guess' of
> > coordinates
> > instead of wild guessing?
> >
> > For example, carbon tube, I used one ready-made program which generated
> > coordinates. But it gave me the warning like " WARNING: Atoms
> >>> 460 641 too close: rij = 0.351881 Ang".
>
> Dear Lily,
>
> nobody knows where your atoms 460 and 641 are. But, using
> any visualization program and looking at generated structure
> with your problematic atoms will immediately give you a hint
> whom to blame: the atoms, the ready-made program, or your own typo.
> Typical errors are wrong length scale (lattice parameter),
> or wrong translation vectors.
>
> Best regards
>
> Andrei
>
>
>
> >
> > Many thanks
> >
> >
> > Lily
> >
> > On Sun, May 15, 2011 at 12:38 AM, sonu kumar <[email protected]>
> wrote:
> >
> >> Hi all Siesta users,
> >>
> >>
> >>
> >> >> how to fix the question like"siesta: WARNING: Atoms
> >> >> 460 641 too close: rij = 0.351881 Ang" ?
> >>
> >> This warning comes because you have incorrectly specified the
> >> positions of atoms in your unit cell.
> >>
> >>  regards,
> >>
> >> --
> >> Sonu Kumar
> >> Phd Student
> >> Physics Department
> >> Indian Institute of Technology
> >> Delhi-110016, India
> >> web:-http://www.iitd.ac.in/
> >>
> >
>
>

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