data_[Na2Ac1Dy1O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ac  1.1000  1.9500  1.2600
  Dy  1.2200  1.7500  1.1310
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.0483]
_cell_length_b [3.6027]
_cell_length_c [6.3207]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.0069]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Na2AcDyO4]
_chemical_formula_sum '[Na2 Ac1 Dy1 O4]'
_cell_volume [128.5766]
_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
[
  Na  Na0  1  0.5000  0.0000  0.5000  1
  Na  Na1  1  0.5000  0.5000  0.0000  1
  Ac  Ac2  1  0.0000  0.0000  0.0000  1
  Dy  Dy3  1  0.0000  0.5000  0.5000  1
  O  O4  2  0.2131  0.0000  0.7239  1
  O  O5  2  0.2162  0.5000  0.2644  1
]