data_[Rb1Sr2Ti1F8]
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
  Ti  1.5400  1.4000  0.8517
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.7733]
_cell_length_b [5.5483]
_cell_length_c [7.9259]
_cell_angle_alpha [92.8905]
_cell_angle_beta [92.1601]
_cell_angle_gamma [93.2063]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbSr2TiF8]
_chemical_formula_sum '[Rb1 Sr2 Ti1 F8]'
_cell_volume [209.1401]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1.0
  Sr  Sr1  2  0.4670  0.4787  0.2436  1.0
  Ti  Ti2  1  0.0000  0.0000  0.0000  1.0
  F  F3  2  0.0740  0.7377  0.8116  1.0
  F  F4  2  0.1527  0.8161  0.1799  1.0
  F  F5  2  0.3434  0.2320  0.9768  1.0
  F  F6  2  0.4958  0.2646  0.4996  1.0
]