data_[Li2Cu2Sb2]
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 [P2_1/m]
_cell_length_a [4.1366]
_cell_length_b [4.1265]
_cell_length_c [6.3532]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.6692]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LiCuSb]
_chemical_formula_sum '[Li2 Cu2 Sb2]'
_cell_volume [108.4417]
_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
[
  Li  Li0  2  0.2427  0.2500  0.7113  1.0
  Cu  Cu1  2  0.2509  0.7500  0.9995  1.0
  Sb  Sb2  2  0.2559  0.2500  0.2639  1.0
]