data_[Ac2Os2C4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Os  2.2000  1.3000  0.6730
  C  2.5500  0.7000  0.3000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.7721]
_cell_length_b [5.2730]
_cell_length_c [6.5383]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.1630]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [AcOs(CO4)2]
_chemical_formula_sum '[Ac2 Os2 C4 O16]'
_cell_volume [238.4025]
_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  2  0.0000  0.5000  0.5000  1
  Os  Os1  2  0.0000  0.0000  0.0000  1
  C  C2  4  0.2368  0.5000  0.1661  1
  O  O3  8  0.1593  0.2890  0.2333  1
  O  O4  4  0.0614  0.0000  0.7141  1
  O  O5  4  0.2060  0.5000  0.9449  1
]