data_[Ac4Tb2Y2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.0497]
_cell_length_b [6.2273]
_cell_length_c [10.6031]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8114]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Ac2TbYO6]
_chemical_formula_sum '[Ac4 Tb2 Y2 O12]'
_cell_volume [327.9620]
_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  0.2351  0.5477  0.7499  1
  Tb  Tb1  2  0.0000  0.0000  0.5000  1
  Y  Y2  2  0.5000  0.0000  0.0000  1
  O  O3  4  0.1341  0.6986  0.4358  1
  O  O4  4  0.2383  0.1993  0.4356  1
  O  O5  4  0.3694  0.5524  0.2504  1
]