[Wien] need your help please

[Víctor Luaña Cabal]

On Thu, Sep 10, 2015 at 03:07:41AM -0700, sikander Azam wrote:
> Dear user
> I am doing calculations on silicon dioxide, but When I make the supercell,
> and replace Oxygen by Nitrogen. This give me metalic nature,
>  Please help me in this regards

Sikander,

Silicon nitride, Si3N4, exists in nature as a ceramic and very hard
material. The description in your e-mail does not corresponds to this
compound. Try to revise your ideas on chemistry. The cif of Si3N4 can
be found in the "Crystallography Open Database"

<www.crystallography.net>

Regards,
         Dr. Víctor Luaña
--
     .  .    "In science a person can be convinced by a good argument.
    / `' \   That is almost impossible in politics or religion"
   /(o)(o)\  (Adapted from Carl Sagan)
  /`. \/ .'\  "Lo mediocre es peor que lo bueno, pero también es peor
 /   '`'`   \ que lo malo, porque la mediocridad no es un grado, es una
 |  \'`'`/  | actitud" -- Jorge Wasenberg, 2015
 |  |'`'`|  | (Mediocre is worse than good, but it is also worse than
  \/`'`'`'\/  bad, because mediocrity is not a grade, it is an attitude)
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