data_[Na3B12As9O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  B  2.0400  0.8500  0.4100
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R32]
_cell_length_a [9.7629]
_cell_length_b [9.7629]
_cell_length_c [8.0674]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [155]
_chemical_formula_structural [NaB4(AsO4)3]
_chemical_formula_sum '[Na3 B12 As9 O36]'
_cell_volume [665.9157]
_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  0.0000  1
  B  B1  9  0.0000  0.4487  0.5000  1
  B  B2  3  0.0000  0.0000  0.5000  1
  As  As3  9  0.0000  0.5384  0.0000  1
  O  O4  18  0.0211  0.2126  0.1983  1
  O  O5  9  0.0000  0.5910  0.5000  1
  O  O6  9  0.0000  0.8578  0.5000  1
]