data_[Na3B6Os3O18]
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
  Os  2.2000  1.3000  0.6730
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [4.8613]
_cell_length_b [4.8613]
_cell_length_c [16.1888]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [NaB2OsO6]
_chemical_formula_sum '[Na3 B6 Os3 O18]'
_cell_volume [331.3174]
_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  1.0
  B  B1  6  0.0000  0.0000  0.2347  1.0
  Os  Os2  3  -0.0000  0.0000  0.5000  1.0
  O  O3  18  0.0291  0.6219  0.9041  1.0
]