data_[Ba4Ac2Ge2O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Ac  1.1000  1.9500  1.2600
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.0336]
_cell_length_b [7.0336]
_cell_length_c [6.3352]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Ba2AcGeO5]
_chemical_formula_sum '[Ba4 Ac2 Ge2 O10]'
_cell_volume [313.4101]
_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
[
  Ba  Ba0  4  0.1719  0.3281  0.5000  1
  Ac  Ac1  2  0.0000  0.0000  0.0000  1
  Ge  Ge2  2  0.0000  0.5000  0.0000  1
  O  O3  8  0.1390  0.6390  0.2034  1
  O  O4  2  0.0000  0.0000  0.5000  1
]