data_[Er6Tm8Te8]
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 [Immm]
_cell_length_a [3.8631]
_cell_length_b [9.1110]
_cell_length_c [17.3258]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Er3(TmTe)4]
_chemical_formula_sum '[Er6 Tm8 Te8]'
_cell_volume [609.8144]
_cell_formula_units_Z [2]
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  0.0000  0.0000  0.1027  1.0
  Er  Er1  2  0.0000  0.5000  0.0000  1.0
  Tm  Tm2  8  0.0000  0.1853  0.3348  1.0
  Te  Te3  4  0.0000  0.3018  0.5000  1.0
  Te  Te4  4  0.0000  0.5000  0.2618  1.0
]