[Pw_forum] Si diamond-cubic to beta-Sn transformation

[Paolo Giannozzi]

On Oct 8, 2010, at 22:05 , Daryl Chrzan wrote:

> I still believe that there are 2 atoms per unit cell in the beta-Sn
> structure, so I am a bit confused by your final statement

>

don't take it too seriously: I interpreted the "4a" positions
mentioned in http://cst-www.nrl.navy.mil/lattice/struk/a5.html
as meaning that there are 4 atoms in the unit cell, but I am
too lazy to go and check the International Tables of
Cristallography!

P.
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Paolo Giannozzi, Dept of Chemistry&Physics, Univ. Udine
via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222