data_[Sr2Mg4Os2]
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 [Cm]
_cell_length_a [9.1801]
_cell_length_b [2.9921]
_cell_length_c [7.0044]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.7342]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [SrMg2Os]
_chemical_formula_sum '[Sr2 Mg4 Os2]'
_cell_volume [191.4326]
_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  0.2614  0.5000  0.2919  1
  Mg  Mg1  2  0.2427  0.0000  0.7159  1
  Mg  Mg2  2  0.4923  0.5000  0.9144  1
  Os  Os3  2  0.0036  0.5000  0.5778  1
]