data_[Er8Te8O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.4464]
_cell_length_b [3.9232]
_cell_length_c [11.2686]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.1784]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er2Te2O]
_chemical_formula_sum '[Er8 Te8 O4]'
_cell_volume [491.7859]
_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
[
  Er  Er0  4  0.0326  0.5000  0.1745  1
  Er  Er1  4  0.1867  0.5000  0.5704  1
  Te  Te2  4  0.0282  0.0000  0.6686  1
  Te  Te3  4  0.1636  0.0000  0.0906  1
  O  O4  4  0.2131  0.5000  0.3885  1
]