data_[Ac1Tb2As1O8]
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
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.4066]
_cell_length_b [5.4791]
_cell_length_c [7.1839]
_cell_angle_alpha [82.1753]
_cell_angle_beta [85.5757]
_cell_angle_gamma [82.8632]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [AcTb2AsO8]
_chemical_formula_sum '[Ac1 Tb2 As1 O8]'
_cell_volume [170.1837]
_cell_formula_units_Z [1]
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
[
  Tb  Tb0  2  0.4268  0.4432  0.7458  1
  Ac  Ac1  1  0.0000  0.0000  0.5000  1
  As  As2  1  0.0000  0.0000  0.0000  1
  O  O3  2  0.0765  0.7440  0.2041  1
  O  O4  2  0.1259  0.7806  0.8324  1
  O  O5  2  0.3868  0.1076  0.0132  1
  O  O6  2  0.4345  0.2701  0.4907  1
]