data_[Na6Sr1F8]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-3]
_cell_length_a [8.3518]
_cell_length_b [8.3518]
_cell_length_c [3.4858]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [147]
_chemical_formula_structural [Na6SrF8]
_chemical_formula_sum '[Na6 Sr1 F8]'
_cell_volume [210.5707]
_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  6  0.1336  0.6770  0.7574  1
  Sr  Sr1  1  0.0000  0.0000  0.5000  1
  F  F2  6  0.0201  0.2951  0.7447  1
  F  F3  2  0.3333  0.6667  0.2517  1
]