data_[Li4Mg2Bi2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
  Bi  2.0200  1.6000  1.0350
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [6.6808]
_cell_length_b [6.8299]
_cell_length_c [6.6586]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Li2MgBiF8]
_chemical_formula_sum '[Li4 Mg2 Bi2 F16]'
_cell_volume [303.8255]
_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
[
  Li  Li0  4  0.0000  0.5000  0.2020  1.0
  Mg  Mg1  2  0.0000  0.0000  0.0000  1.0
  Bi  Bi2  2  0.0000  0.0000  0.5000  1.0
  F  F3  8  0.0000  0.1982  0.2398  1.0
  F  F4  4  0.1795  0.5000  0.5000  1.0
  F  F5  4  0.2078  0.5000  0.0000  1.0
]