data_[La8Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.9057]
_cell_length_b [12.7846]
_cell_length_c [6.9060]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [La2Cu]
_chemical_formula_sum '[La8 Cu4]'
_cell_volume [344.8364]
_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
[
  La  La0  4  0.0000  0.2091  0.4755  1.0
  La  La1  4  0.0000  0.4731  0.2932  1.0
  Cu  Cu2  4  0.0000  0.1146  0.0647  1.0
]