data_[Er10Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.8700]
_cell_length_b [14.8512]
_cell_length_c [4.8684]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Er5Mg]
_chemical_formula_sum '[Er10 Mg2]'
_cell_volume [352.1101]
_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
[
  Er  Er0  4  0.0000  0.1690  0.5000  1.0
  Er  Er1  4  0.0000  0.3341  0.0000  1.0
  Er  Er2  2  0.0000  0.5000  0.5000  1.0
  Mg  Mg3  2  0.0000  0.0000  0.0000  1.0
]