data_[Na2Sr1Os1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Os  2.2000  1.3000  0.6730
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [4.3926]
_cell_length_b [7.5377]
_cell_length_c [5.5299]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.8857]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Na2SrOsF8]
_chemical_formula_sum '[Na2 Sr1 Os1 F8]'
_cell_volume [183.0734]
_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  2  0.5000  0.2580  0.5000  1.0
  Sr  Sr1  1  0.0000  0.5000  0.0000  1.0
  Os  Os2  1  0.0000  0.0000  0.0000  1.0
  F  F3  4  0.1300  0.2043  0.7918  1.0
  F  F4  2  0.3425  0.0000  0.2244  1.0
  F  F5  2  0.4485  0.5000  0.2520  1.0
]