Cl Na O4 Zachariasen W Zeitschrift fur Kristallographie 73 (1930) 141-146 The Crystal Structure of Sodium Perchlorate, Na Cl O4 _cod_database_code 1010214 _database_code_amcsd 0017150 6.48 7.06 7.08 90 90 90 Bbmm atom x y z Na1 .65 .25 0 Cl1 .15 .25 0 O1 .31 .08 0 O2 0 .25 .17