data_[Na4Mo2O8]
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_1/m]
_cell_length_a [6.1707]
_cell_length_b [6.2701]
_cell_length_c [6.5879]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.9319]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Na2MoO4]
_chemical_formula_sum '[Na4 Mo2 O8]'
_cell_volume [252.4528]
_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  0.1949  0.2500  0.3885  1.0
  Na  Na1  2  0.3335  0.2500  0.9445  1.0
  Mo  Mo2  2  0.1869  0.7500  0.1665  1.0
  O  O3  4  0.3653  0.5203  0.2071  1.0
  O  O4  2  0.0255  0.2500  0.6716  1.0
  O  O5  2  0.0559  0.7500  0.9083  1.0
]