data_[Li18Ga18Si18O72]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ga  1.8100  1.3000  0.7600
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [13.7974]
_cell_length_b [13.7974]
_cell_length_c [9.1828]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [LiGaSiO4]
_chemical_formula_sum '[Li18 Ga18 Si18 O72]'
_cell_volume [1513.9124]
_cell_formula_units_Z [18]
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  9  0.0210  0.8091  0.0854  1
  Li  Li1  9  0.1419  0.4594  0.2492  1
  Ga  Ga2  9  0.0117  0.8035  0.7504  1
  Ga  Ga3  9  0.1382  0.4518  0.9171  1
  Si  Si4  9  0.0168  0.8045  0.4165  1
  Si  Si5  9  0.1358  0.4585  0.5827  1
  O  O6  9  0.0052  0.6797  0.4158  1
  O  O7  9  0.0116  0.3446  0.5844  1
  O  O8  9  0.0717  0.8695  0.5716  1
  O  O9  9  0.0911  0.8779  0.2759  1
  O  O10  9  0.0997  0.8826  0.9070  1
  O  O11  9  0.2012  0.0714  0.0678  1
  O  O12  9  0.2067  0.4598  0.4391  1
  O  O13  9  0.2149  0.1041  0.4064  1
]