data_[Y10Er4Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [5.6085]
_cell_length_b [7.1327]
_cell_length_c [12.3257]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Y5Er2Mg]
_chemical_formula_sum '[Y10 Er4 Mg2]'
_cell_volume [493.0703]
_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
[
  Y  Y0  4  0.0000  0.2465  0.9149  1
  Y  Y1  4  0.5000  0.2487  0.0845  1
  Y  Y2  2  0.5000  0.0000  0.8327  1
  Er  Er3  2  0.0000  0.0000  0.6697  1
  Er  Er4  2  0.5000  0.0000  0.3323  1
  Mg  Mg5  2  0.0000  0.0000  0.1664  1
]