data_[Li1Cu2Sb1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Cu  1.9000  1.3500  0.8200
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.2338]
_cell_length_b [3.2338]
_cell_length_c [6.2025]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [LiCu2Sb]
_chemical_formula_sum '[Li1 Cu2 Sb1]'
_cell_volume [64.8619]
_cell_formula_units_Z [1]
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
[
  Li  Li0  1  0.0000  0.0000  0.4637  1
  Cu  Cu1  1  0.0000  0.0000  0.0495  1
  Cu  Cu2  1  0.5000  0.5000  0.2229  1
  Sb  Sb3  1  0.5000  0.5000  0.7639  1
]