data_[Sr3Tb24Nd18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [9.8368]
_cell_length_b [9.8368]
_cell_length_c [18.3713]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Sr(Tb4Nd3)2]
_chemical_formula_sum '[Sr3 Tb24 Nd18]'
_cell_volume [1539.4884]
_cell_formula_units_Z [3]
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
[
  Sr  Sr0  3  0.0000  0.0000  0.0000  1
  Tb  Tb1  18  0.0458  0.7620  0.9002  1
  Tb  Tb2  6  0.0000  0.0000  0.2333  1
  Nd  Nd3  18  0.0248  0.7888  0.4069  1
]