data_[Er12Tm2Mg4]
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 [C2/m]
_cell_length_a [8.7593]
_cell_length_b [9.3819]
_cell_length_c [6.4018]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.6917]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er6TmMg2]
_chemical_formula_sum '[Er12 Tm2 Mg4]'
_cell_volume [521.3626]
_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  8  0.1650  0.3289  0.1794  1.0
  Er  Er1  4  0.1632  0.5000  0.6756  1.0
  Tm  Tm2  2  0.0000  0.0000  0.0000  1.0
  Mg  Mg3  4  0.0000  0.1542  0.5000  1.0
]