data_[Li39Ca6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ca  1.0000  1.8000  1.1400
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.5259]
_cell_length_b [7.5259]
_cell_length_c [21.7706]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Li13Ca2]
_chemical_formula_sum '[Li39 Ca6]'
_cell_volume [1067.8663]
_cell_formula_units_Z [3]
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  18  0.0745  0.5372  0.8683  1.0
  Li  Li1  18  0.0919  0.5459  0.7319  1.0
  Li  Li2  3  -0.0000  -0.0000  0.5000  1.0
  Ca  Ca3  6  0.0000  0.0000  0.3347  1.0
]