data_[Na6Ho6I2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ho  1.2300  1.7500  1.0410
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.2133]
_cell_length_b [6.7391]
_cell_length_c [6.7037]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.2209]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Ho3IO8]
_chemical_formula_sum '[Na6 Ho6 I2 O16]'
_cell_volume [461.5779]
_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  0.2500  0.2500  0.5000  1
  Na  Na1  2  0.0000  0.0000  0.0000  1
  Ho  Ho2  4  0.2500  0.2500  0.0000  1
  Ho  Ho3  2  0.0000  0.5000  0.5000  1
  I  I4  2  0.0000  0.0000  0.5000  1
  O  O5  8  0.0235  0.2330  0.7375  1
  O  O6  4  0.2246  0.5000  0.7447  1
  O  O7  4  0.2448  0.5000  0.2158  1
]