data_[Ac4Mg1Ag3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Pmm2]
_cell_length_a [4.2617]
_cell_length_b [4.9845]
_cell_length_c [12.3483]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [Ac4MgAg3]
_chemical_formula_sum '[Ac4 Mg1 Ag3]'
_cell_volume [262.3071]
_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
[
  Ac  Ac0  1  0.0000  0.0000  0.1575  1
  Ac  Ac1  1  0.0000  0.5000  0.8412  1
  Ac  Ac2  1  0.5000  0.0000  0.6430  1
  Ac  Ac3  1  0.5000  0.5000  0.3614  1
  Mg  Mg4  1  0.5000  0.5000  0.0651  1
  Ag  Ag5  1  0.0000  0.0000  0.4316  1
  Ag  Ag6  1  0.0000  0.5000  0.5714  1
  Ag  Ag7  1  0.5000  0.0000  0.9289  1
]