data_[Na4Li8Al12Si12O48]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [P4mm]
_cell_length_a [12.2730]
_cell_length_b [12.2730]
_cell_length_c [11.7101]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [NaLi2Al3(SiO4)3]
_chemical_formula_sum '[Na4 Li8 Al12 Si12 O48]'
_cell_volume [1763.8377]
_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
[
  Na  Na0  4  0.0000  0.3669  0.5002  1
  Li  Li1  4  0.1921  0.1921  0.8174  1
  Li  Li2  4  0.1945  0.1945  0.1800  1
  Al  Al3  4  0.0000  0.1786  0.6514  1
  Al  Al4  4  0.0000  0.3653  0.8220  1
  Al  Al5  4  0.0000  0.3674  0.1860  1
  Si  Si6  8  0.1879  0.3667  0.0014  1
  Si  Si7  4  0.0000  0.1719  0.3630  1
  O  O8  8  0.1229  0.3237  0.1171  1
  O  O9  8  0.1246  0.3169  0.8901  1
  O  O10  4  0.0000  0.1754  0.4985  1
  O  O11  4  0.0000  0.2949  0.3165  1
  O  O12  4  0.0000  0.3190  0.6811  1
  O  O13  4  0.1092  0.1092  0.3082  1
  O  O14  4  0.1196  0.1196  0.7023  1
  O  O15  4  0.2021  0.5000  0.0029  1
  O  O16  4  0.3102  0.3102  0.0071  1
  O  O17  2  0.0000  0.5000  0.2267  1
  O  O18  2  0.0000  0.5000  0.8459  1
]