data_[Na6Mo2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mo  2.1600  1.4500  0.7750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [7.4746]
_cell_length_b [6.1870]
_cell_length_c [5.6735]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Na3MoO4]
_chemical_formula_sum '[Na6 Mo2 O8]'
_cell_volume [262.3749]
_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  0.2439  0.1664  0.0056  1.0
  Na  Na1  2  0.0000  0.3484  0.4993  1.0
  Mo  Mo2  2  0.0000  0.6719  0.0152  1.0
  O  O3  4  0.2158  0.7982  0.9174  1.0
  O  O4  2  0.0000  0.3844  0.9091  1.0
  O  O5  2  0.0000  0.7023  0.3433  1.0
]