data_[Er4Tm4Te4]
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 [11.4596]
_cell_length_b [3.9674]
_cell_length_c [8.1765]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.6706]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [ErTmTe]
_chemical_formula_sum '[Er4 Tm4 Te4]'
_cell_volume [359.6245]
_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  0.1267  0.5000  0.9529  1.0
  Tm  Tm1  4  0.1158  0.0000  0.2945  1.0
  Te  Te2  4  0.1677  0.0000  0.6803  1.0
]