data_[K6Sr2Ce4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sr  0.9500  2.0000  1.3200
  Ce  1.1200  1.8500  1.0800
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.6086]
_cell_length_b [13.1839]
_cell_length_c [8.0558]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.4041]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K3Sr(CeSe3)2]
_chemical_formula_sum '[K6 Sr2 Ce4 Se12]'
_cell_volume [766.7547]
_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
[
  K  K0  4  0.0000  0.1630  0.5000  1.0
  K  K1  2  0.0000  0.5000  0.5000  1.0
  Sr  Sr2  2  0.0000  0.0000  0.0000  1.0
  Ce  Ce3  4  0.0000  0.3330  0.0000  1.0
  Se  Se4  8  0.2459  0.1761  0.2088  1.0
  Se  Se5  4  0.2178  0.5000  0.2089  1.0
]