data_[Si16Mo8O56]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Mo  2.1600  1.4500  0.7750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [16.5493]
_cell_length_b [7.9987]
_cell_length_c [10.1087]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.2390]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Si2MoO7]
_chemical_formula_sum '[Si16 Mo8 O56]'
_cell_volume [1167.6285]
_cell_formula_units_Z [8]
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
[
  Si  Si0  8  0.1372  0.3235  0.1067  1
  Si  Si1  8  0.1709  0.3049  0.6529  1
  Mo  Mo2  4  0.0000  0.0000  0.0000  1
  Mo  Mo3  4  0.0000  0.2190  0.7500  1
  O  O4  8  0.0625  0.0218  0.8902  1
  O  O5  8  0.0716  0.1843  0.1288  1
  O  O6  8  0.0838  0.1811  0.6480  1
  O  O7  8  0.0889  0.3434  0.9174  1
  O  O8  8  0.1347  0.4918  0.6710  1
  O  O9  8  0.1779  0.2861  0.5012  1
  O  O10  8  0.2415  0.2494  0.1832  1
]