data_[Nd6Tm2Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [3.6143]
_cell_length_b [11.1524]
_cell_length_c [8.7118]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Nd3TmMg]
_chemical_formula_sum '[Nd6 Tm2 Mg2]'
_cell_volume [351.1539]
_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
[
  Nd  Nd0  4  0.0000  0.2321  0.1921  1
  Nd  Nd1  2  0.0000  0.0000  0.6730  1
  Tm  Tm2  2  0.0000  0.5000  0.9964  1
  Mg  Mg3  2  0.0000  0.5000  0.6404  1
]