data_[Cs4Na4Er4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Na  0.9300  1.8000  1.1600
  Er  1.2400  1.7500  1.0300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.0852]
_cell_length_b [12.9476]
_cell_length_c [10.2265]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.5101]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CsNaErCl5]
_chemical_formula_sum '[Cs4 Na4 Er4 Cl20]'
_cell_volume [1126.7011]
_cell_formula_units_Z [4]
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  4  0.0000  0.3353  0.7500  1.0
  Na  Na1  4  0.0000  0.3137  0.2500  1.0
  Er  Er2  4  0.0000  0.0000  0.0000  1.0
  Cl  Cl3  8  0.0897  0.1890  0.0807  1.0
  Cl  Cl4  8  0.2059  0.4445  0.4318  1.0
  Cl  Cl5  4  0.0000  0.0566  0.7500  1.0
]