data_[Rb4Sr2Ag4F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.9952]
_cell_length_b [6.5666]
_cell_length_c [6.8774]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.1117]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2SrAg2F6]
_chemical_formula_sum '[Rb4 Sr2 Ag4 F12]'
_cell_volume [473.2793]
_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
[
  Rb  Rb0  4  0.2265  0.5000  0.1662  1
  Sr  Sr1  2  0.0000  0.5000  0.5000  1
  Ag  Ag2  4  0.0717  0.0000  0.2391  1
  F  F3  8  0.0705  0.2512  0.8008  1
  F  F4  4  0.2189  0.5000  0.5733  1
]