data_[Sr2Cu1Ag1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  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 [P-1]
_cell_length_a [4.2009]
_cell_length_b [5.5511]
_cell_length_c [8.3870]
_cell_angle_alpha [80.8581]
_cell_angle_beta [87.6151]
_cell_angle_gamma [80.6447]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Sr2CuAgF8]
_chemical_formula_sum '[Sr2 Cu1 Ag1 F8]'
_cell_volume [190.5044]
_cell_formula_units_Z [1]
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  2  0.4961  0.4902  0.7523  1.0
  Cu  Cu1  1  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  1  0.0000  0.0000  0.5000  1.0
  F  F3  2  0.0592  0.2684  0.2894  1.0
  F  F4  2  0.0623  0.2164  0.8075  1.0
  F  F5  2  0.3755  0.7664  0.9688  1.0
  F  F6  2  0.4336  0.7509  0.4713  1.0
]