data_[Yb4Tl8Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Tl  1.6200  1.9000  1.3325
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.1708]
_cell_length_b [11.3764]
_cell_length_c [8.0635]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [YbTl2Cu]
_chemical_formula_sum '[Yb4 Tl8 Cu4]'
_cell_volume [382.5986]
_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
[
  Yb  Yb0  4  0.0000  0.0604  0.7500  1.0
  Tl  Tl1  8  0.0000  0.3571  0.5464  1.0
  Cu  Cu2  4  0.0000  0.2259  0.2500  1.0
]