data_[Rb6Mg4Pa2Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  Pa  1.5000  1.8000  1.0400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.1498]
_cell_length_b [12.3929]
_cell_length_c [8.3343]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.5935]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3Mg2PaSe6]
_chemical_formula_sum '[Rb6 Mg4 Pa2 Se12]'
_cell_volume [707.7216]
_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  0.0000  0.1688  0.5000  1
  Rb  Rb1  2  0.0000  0.5000  0.5000  1
  Mg  Mg2  4  0.0000  0.3337  0.0000  1
  Pa  Pa3  2  0.0000  0.0000  0.0000  1
  Se  Se4  8  0.2289  0.1656  0.1893  1
  Se  Se5  4  0.2325  0.5000  0.1903  1
]