data_[Er8Tm4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.1270]
_cell_length_b [5.9054]
_cell_length_c [8.2471]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.4668]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er2TmTe2]
_chemical_formula_sum '[Er8 Tm4 Te8]'
_cell_volume [594.9677]
_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  0.0384  0.0000  0.8089  1
  Er  Er1  4  0.1949  0.5000  0.6624  1
  Tm  Tm2  4  0.1792  0.5000  0.0657  1
  Te  Te3  4  0.0214  0.5000  0.2689  1
  Te  Te4  4  0.1584  0.0000  0.5532  1
]