data_[Li3Er1Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Er  1.2400  1.7500  1.0300
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [4.9635]
_cell_length_b [4.9635]
_cell_length_c [8.0834]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [Li3ErCu8]
_chemical_formula_sum '[Li3 Er1 Cu8]'
_cell_volume [172.4670]
_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  0.0384  1.0
  Li  Li1  1  0.6667  0.3333  0.5922  1.0
  Li  Li2  1  0.6667  0.3333  0.9422  1.0
  Er  Er3  1  0.0000  0.0000  0.4349  1.0
  Cu  Cu4  3  0.1657  0.3313  0.7520  1.0
  Cu  Cu5  3  0.5025  0.0050  0.2451  1.0
  Cu  Cu6  1  0.3333  0.6667  0.5008  1.0
  Cu  Cu7  1  0.3333  0.6667  1.0000  1.0
]