data_[Tb2Pm2Tm28]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [11.3089]
_cell_length_b [7.0517]
_cell_length_c [12.1857]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [TbPmTm14]
_chemical_formula_sum '[Tb2 Pm2 Tm28]'
_cell_volume [971.7772]
_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  0.5000  0.0000  0.2079  1
  Pm  Pm1  2  0.5000  0.0000  0.7078  1
  Tm  Tm2  8  0.2471  0.2497  0.1248  1
  Tm  Tm3  4  0.0000  0.2499  0.2920  1
  Tm  Tm4  4  0.2480  0.0000  0.8754  1
  Tm  Tm5  4  0.2491  0.0000  0.3752  1
  Tm  Tm6  4  0.5000  0.2500  0.4581  1
  Tm  Tm7  2  0.0000  0.0000  0.0418  1
  Tm  Tm8  2  0.0000  0.0000  0.5416  1
]