data_[Ac2Be2C4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Be  1.5700  1.0500  0.5900
  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 [8.1583]
_cell_length_b [4.3324]
_cell_length_c [7.1553]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.1159]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [AcBe(CO4)2]
_chemical_formula_sum '[Ac2 Be2 C4 O16]'
_cell_volume [242.9669]
_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
  Be  Be1  2  0.0000  0.0000  0.0000  1
  C  C2  4  0.1985  0.5000  0.1948  1
  O  O3  8  0.0812  0.2577  0.1903  1
  O  O4  4  0.1797  0.0000  0.6294  1
  O  O5  4  0.2405  0.0000  0.9684  1
]