data_[K4Sr4Se8O24]
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
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.1616]
_cell_length_b [11.1342]
_cell_length_c [7.4501]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3320]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KSr(SeO3)2]
_chemical_formula_sum '[K4 Sr4 Se8 O24]'
_cell_volume [729.2981]
_cell_formula_units_Z [4]
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  0.1932  0.7500  1.0
  Sr  Sr1  4  0.0000  0.4058  0.2500  1.0
  Se  Se2  8  0.2055  0.0943  0.2963  1.0
  O  O3  8  0.1005  0.3965  0.6066  1.0
  O  O4  8  0.1550  0.2245  0.1743  1.0
  O  O5  8  0.1888  0.0222  0.6411  1.0
]