data_[Sr8Si16Os16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Si  1.9000  1.1000  0.5400
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Fddd]
_cell_length_a [6.1618]
_cell_length_b [10.2258]
_cell_length_c [12.5405]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [70]
_chemical_formula_structural [Sr(SiOs)2]
_chemical_formula_sum '[Sr8 Si16 Os16]'
_cell_volume [790.1580]
_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
[
  Sr  Sr0  8  0.0000  0.0000  0.5000  1.0
  Si  Si1  16  0.0000  0.1801  0.0000  1.0
  Os  Os2  16  0.0000  0.0000  0.1218  1.0
]