data_[Ac2Ag2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.0919]
_cell_length_b [7.0292]
_cell_length_c [7.0561]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.3095]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [AcAgCl4]
_chemical_formula_sum '[Ac2 Ag2 Cl8]'
_cell_volume [344.9172]
_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  0.0000  1
  Ag  Ag1  2  0.0000  0.0000  0.5000  1
  Cl  Cl2  8  0.1994  0.2506  0.7538  1
]