data_[Rb2Pr2Be2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Pr  1.1300  1.8500  1.0600
  Be  1.5700  1.0500  0.5900
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.7314]
_cell_length_b [4.1632]
_cell_length_c [9.7605]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.9978]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbPrBeSe3]
_chemical_formula_sum '[Rb2 Pr2 Be2 Se6]'
_cell_volume [376.0906]
_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  0.2311  0.2500  0.1956  1.0
  Pr  Pr1  2  0.1534  0.2500  0.6664  1.0
  Be  Be2  2  0.3953  0.7500  0.9257  1.0
  Se  Se3  2  0.1599  0.7500  0.8863  1.0
  Se  Se4  2  0.1651  0.7500  0.4551  1.0
  Se  Se5  2  0.4750  0.2500  0.8396  1.0
]