data_[Eu8Mg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.9160]
_cell_length_b [3.9179]
_cell_length_c [9.4092]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.9485]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Eu2Mg]
_chemical_formula_sum '[Eu8 Mg4]'
_cell_volume [441.6294]
_cell_formula_units_Z [4]
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
[
  Eu  Eu0  4  0.0102  0.5000  0.7046  1.0
  Eu  Eu1  4  0.1609  0.0000  0.0948  1.0
  Mg  Mg2  4  0.1953  0.0000  0.5831  1.0
]