data_[Er6Tl4Zn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.3467]
_cell_length_b [21.4689]
_cell_length_c [3.5602]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Er3(TlZn)2]
_chemical_formula_sum '[Er6 Tl4 Zn4]'
_cell_volume [332.2361]
_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  0.1666  0.0000  1
  Er  Er1  2  0.0000  0.0000  0.0000  1
  Tl  Tl2  4  0.0000  0.4178  0.5000  1
  Zn  Zn3  4  0.0000  0.2804  0.5000  1
]