data_[Mg2Cu2Ag4F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.7228]
_cell_length_b [5.7548]
_cell_length_c [9.5495]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.0882]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [MgCuAg2F6]
_chemical_formula_sum '[Mg2 Cu2 Ag4 F12]'
_cell_volume [254.1491]
_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
[
  Mg  Mg0  2  0.5000  0.0000  0.0000  1.0
  Cu  Cu1  2  0.0000  0.0000  0.5000  1.0
  Ag  Ag2  4  0.2570  0.5302  0.7503  1.0
  F  F3  4  0.1693  0.5133  0.2419  1.0
  F  F4  4  0.2586  0.2040  0.0385  1.0
  F  F5  4  0.3330  0.7189  0.0361  1.0
]