data_[Cs2Cu2P2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Cu  1.9000  1.3500  0.8200
  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 [6.5320]
_cell_length_b [6.8869]
_cell_length_c [9.6170]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.7607]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsCuPSe4]
_chemical_formula_sum '[Cs2 Cu2 P2 Se8]'
_cell_volume [414.2440]
_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
[
  Cs  Cs0  2  0.2732  0.2500  0.8952  1.0
  Cu  Cu1  2  0.3818  0.7500  0.5206  1.0
  P  P2  2  0.1165  0.2500  0.3001  1.0
  Se  Se3  4  0.3647  0.0085  0.3196  1.0
  Se  Se4  2  0.0007  0.2500  0.4968  1.0
  Se  Se5  2  0.1289  0.7500  0.9081  1.0
]