Al23 Na O35
Bragg W, Gottfried C, West J
Zeitschrift fur Kristallographie 77 (1931) 197-214
The Structure of beta-Alumina
_cod_database_code 1010104
_database_code_amcsd 0017037
5.56 5.56 22.55 90 90 120 P6_3/mmc
atom   x   y    z occ
Na1    0   0  .25  .5
Al1    0   0    0  .5
Al2  1/3 2/3 .022
Al3  1/3 1/6 .106
Al4  1/3 2/3 .178 .75
Al5  2/3 1/3 .178 .75
O1   1/6 1/3  .05
O2   2/3 1/3  .05
O3     0   0 .144
O4    .5  .5 .144
O5   1/3 2/3  .25 .75
O6   2/3 1/3  .25 .75