data_[Na3Mg3Ti12O24]
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 [5.9514]
_cell_length_b [5.9514]
_cell_length_c [15.4746]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NaMgTi4O8]
_chemical_formula_sum '[Na3 Mg3 Ti12 O24]'
_cell_volume [474.6642]
_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  0.9988  1.0
  Mg  Mg1  3  0.0000  0.0000  0.6239  1.0
  Ti  Ti2  9  0.0028  0.5014  0.5016  1.0
  Ti  Ti3  3  0.0000  0.0000  0.3804  1.0
  O  O4  9  0.0016  0.5008  0.7579  1.0
  O  O5  9  0.1723  0.3446  0.5687  1.0
  O  O6  3  0.0000  0.0000  0.2556  1.0
  O  O7  3  0.0000  0.0000  0.7566  1.0
]