data_[Ca4W8O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [6.5687]
_cell_length_b [11.1658]
_cell_length_c [5.6862]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Ca(WO2)2]
_chemical_formula_sum '[Ca4 W8 O16]'
_cell_volume [417.0502]
_cell_formula_units_Z [4]
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
[
  Ca  Ca0  2  0.0000  0.0000  0.0336  1
  Ca  Ca1  2  0.0000  0.5000  0.3535  1
  W  W2  4  0.0000  0.2663  0.9878  1
  W  W3  4  0.2500  0.2500  0.5000  1
  O  O4  8  0.2432  0.1465  0.8353  1
  O  O5  4  0.0000  0.1612  0.3080  1
  O  O6  4  0.0000  0.3535  0.6439  1
]