data_1010214
_publ_section_title
;
The Crystal Structure of Sodium Perchlorate, Na Cl O₄
;
_journal_coden_ASTM              ZEKGAX
_journal_name_full
;
Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,
Kristallchemie (-144,1977)
;
_journal_page_first              141
_journal_page_last               146
_journal_volume                  73
_journal_year                    1930
_chemical_formula_structural     'Na Cl O4'
_chemical_formula_sum            'Cl Na O4'
_chemical_name_systematic        'Sodium chlorate(VII)'
_space_group_IT_number           63
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      63
_symmetry_space_group_name_Hall  '-B 2 2b'
_symmetry_space_group_name_H-M   'B b m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.48
_cell_length_b                   7.06
_cell_length_c                   7.08
_cell_volume                     323.9
_cod_database_code               1010214
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z
x,1/2-y,z
-x,1/2+y,z
-x,-y,-z
x,y,-z
-x,1/2+y,-z
x,1/2-y,-z
1/2+x,y,1/2+z
1/2-x,-y,1/2+z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+y,1/2+z
1/2-x,-y,1/2-z
1/2+x,y,1/2-z
1/2-x,1/2+y,1/2-z
1/2+x,1/2-y,1/2-z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
Na1 Na1+ 4 c 0.65 0.25 0. 1. 0 d
Cl1 Cl7+ 4 c 0.15 0.25 0. 1. 0 d
O1 O2- 8 f 0.31 0.08 0. 1. 0 d
O2 O2- 8 g 0. 0.25 0.17 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Na1+ 1.000
Cl7+ 7.000
O2- -2.000
