data_[Cs2Ho2Si2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Ho  1.2300  1.7500  1.0410
  Si  1.9000  1.1000  0.5400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6551]
_cell_length_b [7.0670]
_cell_length_c [9.8365]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7451]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsHoSiSe4]
_chemical_formula_sum '[Cs2 Ho2 Si2 Se8]'
_cell_volume [438.0898]
_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  0.2544  0.2500  0.0597  1
  Ho  Ho1  2  0.2261  0.2500  0.5466  1
  Si  Si2  2  0.2188  0.7500  0.3407  1
  Se  Se3  4  0.0122  0.5024  0.6955  1
  Se  Se4  2  0.4151  0.7500  0.1899  1
  Se  Se5  2  0.4336  0.7500  0.5722  1
]