data_[Mg4Zn6Ag12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.2334]
_cell_length_b [7.3728]
_cell_length_c [8.5476]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.1480]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Mg2(ZnAg2)3]
_chemical_formula_sum '[Mg4 Zn6 Ag12]'
_cell_volume [385.4141]
_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
[
  Mg  Mg0  4  0.2388  0.5000  0.8170  1
  Zn  Zn1  4  0.1834  0.0000  0.8267  1
  Zn  Zn2  2  0.0000  0.0000  0.5000  1
  Ag  Ag3  8  0.1059  0.2968  0.3579  1
  Ag  Ag4  4  0.0000  0.2765  0.0000  1
]