data_[Rb2Sr3F8]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.7686]
_cell_length_b [3.9794]
_cell_length_c [9.7295]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7017]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Rb2Sr3F8]
_chemical_formula_sum '[Rb2 Sr3 F8]'
_cell_volume [284.8999]
_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  2  0.2473  0.5000  0.7073  1
  Sr  Sr1  2  0.2733  0.0000  0.3391  1
  Sr  Sr2  1  0.0000  0.5000  0.0000  1
  F  F3  2  0.0456  0.0000  0.8627  1
  F  F4  2  0.1290  0.5000  0.3980  1
  F  F5  2  0.2979  0.5000  0.1767  1
  F  F6  2  0.4018  0.0000  0.6033  1
]