data_[Ca2Eu2Mg8Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Eu  1.2000  1.8500  1.1985
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [6.7459]
_cell_length_b [3.8141]
_cell_length_c [23.3817]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [CaEu(Mg2Ag)2]
_chemical_formula_sum '[Ca2 Eu2 Mg8 Ag4]'
_cell_volume [601.5929]
_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
[
  Ca  Ca0  2  0.0000  0.0000  0.5809  1
  Eu  Eu1  2  0.0000  0.0000  0.4154  1
  Mg  Mg2  4  0.2871  0.0000  0.2962  1
  Mg  Mg3  4  0.2876  0.0000  0.6963  1
  Ag  Ag4  2  0.0000  0.0000  0.1884  1
  Ag  Ag5  2  0.0000  0.0000  0.8087  1
]