data_[K2Eu2P2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Eu  1.2000  1.8500  1.1985
  P  2.1900  1.0000  0.5500
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.9923]
_cell_length_b [7.0596]
_cell_length_c [9.3173]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.1165]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KEuPSe4]
_chemical_formula_sum '[K2 Eu2 P2 Se8]'
_cell_volume [439.5584]
_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  2  0.2477  0.2500  0.9378  1.0
  Eu  Eu1  2  0.2676  0.2500  0.4510  1.0
  P  P2  2  0.2951  0.7500  0.6874  1.0
  Se  Se3  4  0.4987  0.5021  0.2699  1.0
  Se  Se4  2  0.0972  0.7500  0.8370  1.0
  Se  Se5  2  0.1198  0.7500  0.4438  1.0
]