data_[Ac8Sn4Os2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sn  1.9600  1.4500  0.8300
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.4975]
_cell_length_b [4.8999]
_cell_length_c [9.3590]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.5149]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac4Sn2Os]
_chemical_formula_sum '[Ac8 Sn4 Os2]'
_cell_volume [488.5852]
_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
[
  Ac  Ac0  4  0.0728  0.0000  0.3508  1
  Ac  Ac1  4  0.1681  0.5000  0.0604  1
  Sn  Sn2  4  0.1388  0.5000  0.6540  1
  Os  Os3  2  0.0000  0.0000  0.0000  1
]