Diaoyudaoite
Felsche J
Zeitschrift fur Kristallographie 127 (1968) 94-100
The alkali problem in the crystal structure of beta alumina
_database_code_amcsd 0010660
5.5962 5.5962 22.526 90 90 120 P6_3/mmc
atom     x     y     z Biso
Al1  .1665 .3331 .6060  .46
Al2    1/3   2/3 .0248  .38
Al3    1/3   2/3 .1753  .38
Al4      0     0     0  .42
Na     2/3   1/3   .25 1.86
O1   .1624 .3249 .0496  .69
O2   .5016 .0032 .1464  .39
O3     1/3   2/3 .5540  .36
O4       0     0 .1421  .43
O5     1/3   2/3   .25  .96