data_[Na6Mg3Ti9O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Ti  1.5400  1.4000  0.8517
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [6.0461]
_cell_length_b [6.0461]
_cell_length_c [15.8939]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Na2MgTi3O8]
_chemical_formula_sum '[Na6 Mg3 Ti9 O24]'
_cell_volume [503.1651]
_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
[
  Na  Na0  3  0.0000  0.0000  0.1252  1.0
  Na  Na1  3  0.0000  0.0000  0.4994  1.0
  Mg  Mg2  3  0.0000  0.0000  0.8873  1.0
  Ti  Ti3  9  0.0049  0.5025  0.9998  1.0
  O  O4  9  0.0214  0.5107  0.2655  1.0
  O  O5  9  0.1845  0.3690  0.0607  1.0
  O  O6  3  0.0000  0.0000  0.2646  1.0
  O  O7  3  0.0000  0.0000  0.7381  1.0
]