data_[Cs4Mg2H2F6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Mg  1.3100  1.5000  0.8600
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.2510]
_cell_length_b [4.3037]
_cell_length_c [14.9534]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Cs2MgHF3]
_chemical_formula_sum '[Cs4 Mg2 H2 F6]'
_cell_volume [273.5758]
_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  4  0.0000  0.0000  0.3519  1.0
  Mg  Mg1  2  0.0000  0.0000  0.0000  1.0
  H  H2  2  0.0000  0.5000  0.0000  1.0
  F  F3  4  0.0000  0.0000  0.1340  1.0
  F  F4  2  0.0000  0.5000  0.5000  1.0
]