data_[Er6Tm8Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.0590]
_cell_length_b [7.0000]
_cell_length_c [6.0918]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Er3Tm4Mg]
_chemical_formula_sum '[Er6 Tm8 Mg2]'
_cell_volume [471.5868]
_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  0.2462  0.6226  0.9784  1.0
  Er  Er1  2  0.0000  0.6286  0.6391  1.0
  Tm  Tm2  4  0.2463  0.1259  0.9863  1.0
  Tm  Tm3  2  0.0000  0.1239  0.6427  1.0
  Tm  Tm4  2  0.0000  0.8770  0.1575  1.0
  Mg  Mg5  2  0.0000  0.3759  0.1466  1.0
]