data_[Sr3Pr3Nd12Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [8.7811]
_cell_length_b [8.7811]
_cell_length_c [21.5689]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [SrPr(NdSe2)4]
_chemical_formula_sum '[Sr3 Pr3 Nd12 Se24]'
_cell_volume [1440.3054]
_cell_formula_units_Z [3]
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
[
  Sr  Sr0  3  0.0000  0.0000  0.3747  1
  Pr  Pr1  3  0.0000  0.0000  0.0018  1
  Nd  Nd2  9  0.1690  0.3381  0.8327  1
  Nd  Nd3  3  0.0000  0.0000  0.6252  1
  Se  Se4  9  0.0301  0.5151  0.7545  1
  Se  Se5  9  0.1765  0.3531  0.5802  1
  Se  Se6  3  0.0000  0.0000  0.2382  1
  Se  Se7  3  0.0000  0.0000  0.7579  1
]