data_[Na2Sb4Mo2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  Mo  2.1600  1.4500  0.7750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [6.7378]
_cell_length_b [6.9786]
_cell_length_c [6.2953]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [NaSb2MoO8]
_chemical_formula_sum '[Na2 Sb4 Mo2 O16]'
_cell_volume [296.0063]
_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  0.0000  0.5000  1
  Sb  Sb1  4  0.0000  0.5000  0.2538  1
  Mo  Mo2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.2070  0.0000  0.2173  1
  O  O4  4  0.0000  0.3052  0.0000  1
  O  O5  4  0.0000  0.3178  0.5000  1
]