data_[Cs2Rb2Sr2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [4.7889]
_cell_length_b [4.7889]
_cell_length_c [14.7675]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [CsRbSrF4]
_chemical_formula_sum '[Cs2 Rb2 Sr2 F8]'
_cell_volume [338.6760]
_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
[
  Cs  Cs0  2  0.0000  0.0000  0.6502  1.0
  Rb  Rb1  2  0.0000  0.0000  0.3538  1.0
  Sr  Sr2  2  0.0000  0.0000  0.0008  1.0
  F  F3  4  0.0000  0.5000  0.4954  1.0
  F  F4  2  0.0000  0.0000  0.1661  1.0
  F  F5  2  0.0000  0.0000  0.8382  1.0
]