data_[Tb2Tm4Mg14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.5170]
_cell_length_b [21.8987]
_cell_length_c [3.3379]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [TbTm2Mg7]
_chemical_formula_sum '[Tb2 Tm4 Mg14]'
_cell_volume [549.4608]
_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
[
  Tb  Tb0  2  0.0000  0.0000  0.0000  1
  Tm  Tm1  4  0.0000  0.2606  0.5000  1
  Mg  Mg2  8  0.1890  0.8757  0.5000  1
  Mg  Mg3  4  0.0000  0.3884  0.0000  1
  Mg  Mg4  2  0.0000  0.5000  0.5000  1
]