data_[Er4Tl2Zn6]
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 [Imm2]
_cell_length_a [3.9406]
_cell_length_b [4.2366]
_cell_length_c [16.1242]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Er2TlZn3]
_chemical_formula_sum '[Er4 Tl2 Zn6]'
_cell_volume [269.1916]
_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  2  0.0000  0.0000  0.1372  1
  Er  Er1  2  0.0000  0.5000  0.8564  1
  Tl  Tl2  2  0.0000  0.5000  0.4567  1
  Zn  Zn3  2  0.0000  0.0000  0.5548  1
  Zn  Zn4  2  0.0000  0.0000  0.7051  1
  Zn  Zn5  2  0.0000  0.5000  0.2899  1
]