data_[Sr2Al2Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Al  1.6100  1.2500  0.6750
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [11.2127]
_cell_length_b [2.9165]
_cell_length_c [5.7063]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.3971]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [SrAlOs2]
_chemical_formula_sum '[Sr2 Al2 Os4]'
_cell_volume [167.1506]
_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
[
  Sr  Sr0  2  0.4787  0.0000  0.5103  1
  Al  Al1  2  0.3045  0.0000  0.8569  1
  Os  Os2  2  0.0111  0.0000  0.0461  1
  Os  Os3  2  0.2056  0.5000  0.0866  1
]