data_[Er8Sn4Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.6144]
_cell_length_b [4.2274]
_cell_length_c [14.9180]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Er2SnTe]
_chemical_formula_sum '[Er8 Sn4 Te4]'
_cell_volume [480.2061]
_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  0.1589  0.7500  0.7563  1.0
  Er  Er1  4  0.2121  0.2500  0.0059  1.0
  Sn  Sn2  4  0.0854  0.7500  0.1484  1.0
  Te  Te3  4  0.0802  0.2500  0.4035  1.0
]