data_[Na2Sm1Cr1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sm  1.1700  1.8500  1.2290
  Cr  1.6600  1.4000  0.9400
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [5.0790]
_cell_length_b [6.8183]
_cell_length_c [5.1807]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.8828]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Na2SmCrF8]
_chemical_formula_sum '[Na2 Sm1 Cr1 F8]'
_cell_volume [179.3893]
_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  0.2323  0.5000  1.0
  Sm  Sm1  1  0.0000  0.5000  0.0000  1.0
  Cr  Cr2  1  0.0000  0.0000  0.0000  1.0
  F  F3  4  0.1758  0.2200  0.8187  1.0
  F  F4  2  0.2715  0.0000  0.2613  1.0
  F  F5  2  0.3135  0.5000  0.2967  1.0
]