data_[Na8Mg2Mo4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Mo  2.1600  1.4500  0.7750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [6.4677]
_cell_length_b [6.6454]
_cell_length_c [9.8527]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Na4Mg(MoO4)2]
_chemical_formula_sum '[Na8 Mg2 Mo4 O16]'
_cell_volume [423.4675]
_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  0.0000  0.2763  0.9310  1
  Na  Na1  4  0.2284  0.5000  0.2464  1
  Mg  Mg2  2  0.0000  0.0000  0.1540  1
  Mo  Mo3  2  0.0000  0.0000  0.4386  1
  Mo  Mo4  2  0.0000  0.5000  0.6014  1
  O  O5  4  0.0000  0.2069  0.2983  1
  O  O6  4  0.0000  0.2621  0.6977  1
  O  O7  4  0.2303  0.0000  0.0189  1
  O  O8  4  0.2392  0.5000  0.0106  1
]