data_[Rb2Zr2Se4F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zr  1.3300  1.5500  0.8600
  Se  2.5500  1.1500  1.0133
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.1265]
_cell_length_b [3.9167]
_cell_length_c [9.3418]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3442]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbZrSe2F]
_chemical_formula_sum '[Rb2 Zr2 Se4 F2]'
_cell_volume [282.2316]
_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  2  0.3123  0.2500  0.6987  1
  Zr  Zr1  2  0.1686  0.2500  0.1749  1
  Se  Se2  2  0.1468  0.7500  0.3612  1
  Se  Se3  2  0.1838  0.7500  0.9684  1
  F  F4  2  0.4330  0.2500  0.2404  1
]