data_Na2FeOs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.27
_cell_length_b   5.27
_cell_length_c   5.27
_cell_angle_alpha   130.43
_cell_angle_beta   130.43
_cell_angle_gamma   72.72
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2FeOs
_chemical_formula_sum   'Na2 Fe1 Os1'
_cell_volume   82.68
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Na  Na1  1  0.0  0.21  0.12  1.0
  Na  Na2  1  0.0  0.0  0.0  1.0
  Fe  Fe0  1  0.0  0.0  0.24  1.0
  Os  Os3  1  0.21  0.0  0.12  1.0

data_Na2FeOs
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.42
_cell_length_b   4.42
_cell_length_c   5.27
_cell_angle_alpha   114.79
_cell_angle_beta   114.79
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2FeOs
_chemical_formula_sum   'Na2 Fe1 Os1'
_cell_volume   82.68
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Na  Na0  1  0.0  0.0  0.0  1.0
  Na  Na1  1  0.91  0.12  0.91  1.0
  Fe  Fe2  1  0.24  0.24  0.24  1.0
  Os  Os3  1  0.12  0.91  0.91  1.0

Na Na Fe Os