data_[Rb4Er2Ag2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Er  1.2400  1.7500  1.0300
  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 [6.4958]
_cell_length_b [6.5530]
_cell_length_c [11.1231]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.5237]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2ErAgF6]
_chemical_formula_sum '[Rb4 Er2 Ag2 F12]'
_cell_volume [385.3504]
_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  0.2557  0.5327  0.7503  1.0
  Er  Er1  2  0.0000  0.0000  0.5000  1.0
  Ag  Ag2  2  0.5000  0.0000  0.0000  1.0
  F  F3  4  0.1675  0.5211  0.2344  1.0
  F  F4  4  0.2285  0.2338  0.0374  1.0
  F  F5  4  0.2984  0.6942  0.0322  1.0
]