data_[Er12Cu12Sb16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Cu  1.9000  1.3500  0.8200
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [I-43d]
_cell_length_a [9.5430]
_cell_length_b [9.5430]
_cell_length_c [9.5430]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [220]
_chemical_formula_structural [Er3Cu3Sb4]
_chemical_formula_sum '[Er12 Cu12 Sb16]'
_cell_volume [869.0804]
_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  12  0.0000  0.2500  0.3750  1.0
  Cu  Cu1  12  0.0000  0.2500  0.8750  1.0
  Sb  Sb2  16  0.0799  0.0799  0.0799  1.0
]