data_[Na4Ti2As4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ti  1.5400  1.4000  0.8517
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.3566]
_cell_length_b [5.4795]
_cell_length_c [6.4324]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.4168]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Ti(AsO3)2]
_chemical_formula_sum '[Na4 Ti2 As4 O12]'
_cell_volume [329.6914]
_cell_formula_units_Z [2]
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  0.1647  0.0000  0.6681  1.0
  Ti  Ti1  2  0.0000  0.5000  0.5000  1.0
  As  As2  4  0.1573  0.0000  0.1912  1.0
  O  O3  8  0.0590  0.2446  0.3011  1.0
  O  O4  4  0.1923  0.5000  0.6287  1.0
]