data_[Pr12As4H2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  As  2.1800  1.1500  0.6600
  H  2.2000  0.2500  0.0000
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.4433]
_cell_length_b [4.2426]
_cell_length_c [8.4622]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1334]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr6As2HSe3]
_chemical_formula_sum '[Pr12 As4 H2 Se6]'
_cell_volume [642.1063]
_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
[
  Pr  Pr0  4  0.0002  0.0000  0.7517  1.0
  Pr  Pr1  4  0.1655  0.5000  0.0860  1.0
  Pr  Pr2  4  0.1700  0.5000  0.5790  1.0
  As  As3  4  0.1636  0.0000  0.3288  1.0
  H  H4  2  0.0000  0.5000  0.0000  1.0
  Se  Se5  4  0.1683  0.0000  0.8340  1.0
  Se  Se6  2  0.0000  0.5000  0.5000  1.0
]