data_[Na4Cr2H4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cr  1.6600  1.4000  0.9400
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.4516]
_cell_length_b [8.1246]
_cell_length_c [5.4507]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3468]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2CrH2F8]
_chemical_formula_sum '[Na4 Cr2 H4 F16]'
_cell_volume [300.6478]
_cell_formula_units_Z [2]
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  4  0.0000  0.2682  0.5000  1.0
  Cr  Cr1  2  0.0000  0.0000  0.0000  1.0
  H  H2  4  0.1636  0.5000  0.2262  1.0
  F  F3  8  0.1581  0.1598  0.2230  1.0
  F  F4  4  0.0488  0.5000  0.2737  1.0
  F  F5  4  0.1442  0.0000  0.7796  1.0
]