data_[Ce12As2P4Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  As  2.1800  1.1500  0.6600
  P  2.1900  1.0000  0.5500
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.2128]
_cell_length_b [4.1646]
_cell_length_c [8.3697]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.5185]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce6AsP2Se3]
_chemical_formula_sum '[Ce12 As2 P4 Se6]'
_cell_volume [617.2415]
_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
[
  Ce  Ce0  4  0.0044  0.0000  0.2496  1
  Ce  Ce1  4  0.1664  0.5000  0.0944  1
  Ce  Ce2  4  0.1702  0.5000  0.5747  1
  As  As3  2  0.0000  0.5000  0.0000  1
  P  P4  4  0.1672  0.0000  0.3338  1
  Se  Se5  4  0.1654  0.0000  0.8330  1
  Se  Se6  2  0.0000  0.5000  0.5000  1
]