data_[Rb4Ni2Ag4F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ni  1.9100  1.3500  0.7400
  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 [11.4112]
_cell_length_b [6.2198]
_cell_length_c [6.5399]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.9400]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2NiAg2F6]
_chemical_formula_sum '[Rb4 Ni2 Ag4 F12]'
_cell_volume [402.2262]
_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  0.2221  0.5000  0.1658  1.0
  Ni  Ni1  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag2  4  0.0799  0.0000  0.2521  1.0
  F  F3  8  0.0550  0.2722  0.7595  1.0
  F  F4  4  0.1972  0.5000  0.5753  1.0
]