Na2 O4 S Frevel L Journal of Chemical Physics 8 (1940) 290-290 The Crystal Structure of Sodium Sulfate III _cod_database_code 1010522 _database_code_amcsd 0017433 5.59 8.93 6.98 90 90 90 Pbnn atom x y z S1 .25 .097 .25 Na1 .25 .435 .25 Na2 -.25 .25 0 O1 .030 .197 .25 O2 .25 0 .072