data_[K4Sm4Pt4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sm  1.1700  1.8500  1.2290
  Pt  2.2800  1.3500  0.8050
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [6.6035]
_cell_length_b [7.3229]
_cell_length_c [9.4120]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [KSmPtO4]
_chemical_formula_sum '[K4 Sm4 Pt4 O16]'
_cell_volume [455.1391]
_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  0.2500  0.8649  1
  Sm  Sm1  4  0.0000  0.0000  0.5000  1
  Pt  Pt2  4  0.2500  0.2500  0.2500  1
  O  O3  8  0.0000  0.0737  0.2502  1
  O  O4  8  0.2164  0.2500  0.4710  1
]