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 [Pnma]
_cell_length_a [8.1401]
_cell_length_b [3.9086]
_cell_length_c [10.5241]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [ErTmTe]
_chemical_formula_sum '[Er4 Tm4 Te4]'
_cell_volume [334.8383]
_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  0.0041  0.2500  0.3429  1.0
  Tm  Tm1  4  0.1553  0.2500  0.9449  1.0
  Te  Te2  4  0.2036  0.7500  0.1706  1.0
]