data_[K2Rb4Sr2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.7697]
_cell_length_b [6.9959]
_cell_length_c [11.5153]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.5014]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KRb2SrF6]
_chemical_formula_sum '[K2 Rb4 Sr2 F12]'
_cell_volume [449.4439]
_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  0.2756  0.5527  0.7553  1.0
  K  K1  2  0.5000  0.0000  0.0000  1.0
  Sr  Sr2  2  0.0000  0.0000  0.5000  1.0
  F  F3  4  0.1146  0.5643  0.2373  1.0
  F  F4  4  0.2658  0.2254  0.0731  1.0
  F  F5  4  0.3386  0.6954  0.0563  1.0
]