data_[Sr2Mg2Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Mg  1.3100  1.5000  0.8600
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.8232]
_cell_length_b [9.6557]
_cell_length_c [2.8341]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.9012]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SrMgOs2]
_chemical_formula_sum '[Sr2 Mg2 Os4]'
_cell_volume [145.6848]
_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  0.0000  0.0000  0.5000  1
  Mg  Mg1  2  0.0000  0.5000  0.5000  1
  Os  Os2  4  0.2500  0.2500  0.0000  1
]