data_[Er14Ag4Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.0610]
_cell_length_b [15.4946]
_cell_length_c [9.6672]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Er7(AgTe)2]
_chemical_formula_sum '[Er14 Ag4 Te4]'
_cell_volume [608.2913]
_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  0.1247  0.4152  1.0
  Er  Er1  4  0.0000  0.3167  0.6271  1.0
  Er  Er2  4  0.0000  0.3607  0.2582  1.0
  Er  Er3  2  0.0000  0.0000  0.0041  1.0
  Ag  Ag4  4  0.0000  0.2356  0.9281  1.0
  Te  Te5  2  0.0000  0.0000  0.6642  1.0
  Te  Te6  2  0.0000  0.5000  0.7654  1.0
]