data_[Rb4Ba2Sr2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ba  0.8900  2.1500  1.4900
  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 [6.7499]
_cell_length_b [6.9391]
_cell_length_c [11.7340]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.9357]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2BaSrF6]
_chemical_formula_sum '[Rb4 Ba2 Sr2 F12]'
_cell_volume [450.5580]
_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  0.2359  0.0464  0.2509  1.0
  Ba  Ba1  2  0.5000  0.0000  0.0000  1.0
  Sr  Sr2  2  0.0000  0.0000  0.5000  1.0
  F  F3  4  0.1344  0.2142  0.9402  1.0
  F  F4  4  0.2330  0.6974  0.9450  1.0
  F  F5  4  0.3469  0.0480  0.7408  1.0
]