data_[Ba2Na4Sr2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [5.1870]
_cell_length_b [6.1821]
_cell_length_c [12.4902]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [BaNa2SrF8]
_chemical_formula_sum '[Ba2 Na4 Sr2 F16]'
_cell_volume [400.5153]
_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
[
  Ba  Ba0  2  0.0000  0.5000  0.0040  1.0
  Na  Na1  2  0.0000  0.0000  0.7572  1.0
  Na  Na2  2  0.0000  0.5000  0.4946  1.0
  Sr  Sr3  2  0.0000  0.0000  0.2469  1.0
  F  F4  8  0.2351  0.2601  0.6295  1.0
  F  F5  8  0.2409  0.2558  0.3700  1.0
]