data_[K4Rb4P4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  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 [12.5743]
_cell_length_b [8.1667]
_cell_length_c [8.9296]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.0632]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KRbPSe3]
_chemical_formula_sum '[K4 Rb4 P4 Se12]'
_cell_volume [907.9270]
_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  0.2236  0.5000  1.0
  Rb  Rb1  4  0.1595  0.5000  0.9101  1.0
  P  P2  4  0.0206  0.0000  0.1321  1.0
  Se  Se3  8  0.1156  0.2238  0.1947  1.0
  Se  Se4  4  0.1332  0.0000  0.7736  1.0
]