data_[Li24Mg3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [5.5066]
_cell_length_b [5.5066]
_cell_length_c [15.0208]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Li8MgO6]
_chemical_formula_sum '[Li24 Mg3 O18]'
_cell_volume [394.4521]
_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  0.0072  0.3559  0.8835  1.0
  Li  Li1  6  0.0000  0.0000  0.3364  1.0
  Mg  Mg2  3  0.0000  0.0000  0.0000  1.0
  O  O3  18  0.0041  0.3214  0.0805  1.0
]