data_[Li4Al4Si8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Al  1.6100  1.2500  0.6750
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.6210]
_cell_length_b [8.4727]
_cell_length_c [5.2750]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.6186]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [LiAl(SiO3)2]
_chemical_formula_sum '[Li4 Al4 Si8 O24]'
_cell_volume [402.4542]
_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
[
  Li  Li0  4  0.0000  0.2705  0.7500  1.0
  Al  Al1  4  0.0000  0.0945  0.2500  1.0
  Si  Si2  8  0.2067  0.4066  0.2420  1.0
  O  O3  8  0.1091  0.0830  0.6410  1.0
  O  O4  8  0.1341  0.2338  0.2001  1.0
  O  O5  8  0.1450  0.4824  0.9352  1.0
]