data_[Ac2Mg9Ag6]
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 [P6/mmm]
_cell_length_a [6.0460]
_cell_length_b [6.0460]
_cell_length_c [13.7239]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [191]
_chemical_formula_structural [Ac2(Mg3Ag2)3]
_chemical_formula_sum '[Ac2 Mg9 Ag6]'
_cell_volume [434.4591]
_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  2  0.0000  0.0000  0.3405  1
  Mg  Mg1  6  0.0000  0.5000  0.1617  1
  Mg  Mg2  3  0.0000  0.5000  0.5000  1
  Ag  Ag3  4  0.3333  0.6667  0.6711  1
  Ag  Ag4  2  0.3333  0.6667  0.0000  1
]