data_[Cs9Er3Tm9Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.2732]
_cell_length_b [8.2732]
_cell_length_c [25.7754]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Cs3ErTm3Se8]
_chemical_formula_sum '[Cs9 Er3 Tm9 Se24]'
_cell_volume [1527.8622]
_cell_formula_units_Z [3]
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  9  0.0000  0.5000  0.0000  1.0
  Er  Er1  3  -0.0000  -0.0000  0.5000  1.0
  Tm  Tm2  9  0.0000  0.5000  0.5000  1.0
  Se  Se3  18  0.0021  0.5010  0.7724  1.0
  Se  Se4  6  0.0000  0.0000  0.2277  1.0
]