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 [P2/c]
_cell_length_a [5.8063]
_cell_length_b [6.6898]
_cell_length_c [5.4752]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8881]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [Na3MoO4]
_chemical_formula_sum '[Na6 Mo2 O8]'
_cell_volume [201.2203]
_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  2  0.0000  0.3782  0.7500  1
  Na  Na1  2  0.5000  0.1273  0.7500  1
  Na  Na2  2  0.5000  0.3860  0.2500  1
  Mo  Mo3  2  0.0000  0.1430  0.2500  1
  O  O4  4  0.2009  0.0975  0.0274  1
  O  O5  4  0.2239  0.3390  0.4592  1
]