data_[Sr3La18Pm24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [10.0401]
_cell_length_b [10.0401]
_cell_length_c [18.7787]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Sr(La3Pm4)2]
_chemical_formula_sum '[Sr3 La18 Pm24]'
_cell_volume [1639.3458]
_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
  La  La1  18  0.0220  0.2379  0.4050  1
  Pm  Pm2  18  0.0445  0.2875  0.8994  1
  Pm  Pm3  6  0.0000  0.0000  0.2278  1
]