data_global
_amcsd_formula_title 'Fe Na O2'
loop_
_publ_author_name
'Bertaut E'
'Delapalme A'
'Bassi G'
_journal_name_full 'Journal de Physique'
_journal_volume 25 
_journal_year 1964
_journal_page_first 545
_journal_page_last 549
_publ_section_title
;
 Structure magnetique de beta- Fe Na O2 et affinement des positions atomique
 _cod_database_code 1008191
;
_database_code_amcsd 0016128
_chemical_formula_sum 'Fe Na O2'
_cell_length_a 5.672
_cell_length_b 7.136
_cell_length_c 5.377
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 217.636
_exptl_crystal_density_diffrn      3.383
_symmetry_space_group_name_H-M 'P n a 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,1/2+z'
  '-x,-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe1   0.06200   0.13000   0.00000
Na1   0.41600   0.15100   0.48900
O1   0.04300   0.08400   0.33900
O2   0.38000   0.15300   0.92700