data_[K4P2Se2Cl10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  P  2.1900  1.0000  0.5500
  Se  2.5500  1.1500  1.0133
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [6.9740]
_cell_length_b [6.9740]
_cell_length_c [10.1209]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [K2PSeCl5]
_chemical_formula_sum '[K4 P2 Se2 Cl10]'
_cell_volume [492.2501]
_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  0.5000  0.2516  1
  P  P1  2  0.0000  0.0000  0.9880  1
  Se  Se2  2  0.0000  0.0000  0.7656  1
  Cl  Cl3  8  0.2282  0.2282  0.0068  1
  Cl  Cl4  2  0.0000  0.0000  0.2159  1
]