data_[Sr8Sn4F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sn  1.9600  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.5390]
_cell_length_b [7.5783]
_cell_length_c [9.0988]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.2799]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Sr4Sn2F]
_chemical_formula_sum '[Sr8 Sn4 F2]'
_cell_volume [496.3792]
_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
[
  Sr  Sr0  4  0.4988  0.0086  0.7416  1
  Sr  Sr1  2  0.0659  0.7500  0.3685  1
  Sr  Sr2  2  0.1029  0.7500  0.9229  1
  Sn  Sn3  2  0.2354  0.2500  0.4236  1
  Sn  Sn4  2  0.2807  0.2500  0.9581  1
  F  F5  2  0.2745  0.7500  0.2026  1
]