Thenardite
Zachariasen W, Ziegler G
Zeitschrift fur Kristallographie 81 (1932) 92-101
The crystal structure of anhydrous sodium sulfate Na2 S O4
_cod_database_code 1011184
_database_code_amcsd 0018059
5.85 12.29 9.75 90 90 90 *Fddd
.125 .125 .125
atom     x    y    z
S1    .125 .125 .125
Na1   .125 .125 .436
O1   -.022 .056 .214