data_[Pm21In15]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  In  1.7800  1.5500  0.9400
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.4041]
_cell_length_b [5.4041]
_cell_length_c [43.9778]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Pm7In5]
_chemical_formula_sum '[Pm21 In15]'
_cell_volume [1112.2612]
_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
[
  Pm  Pm0  6  0.0000  0.0000  0.0720  1
  Pm  Pm1  6  0.0000  0.0000  0.2211  1
  Pm  Pm2  6  0.0000  0.0000  0.3068  1
  Pm  Pm3  3  -0.0000  -0.0000  0.5000  1
  In  In4  6  0.0000  0.0000  0.1448  1
  In  In5  6  0.0000  0.0000  0.4056  1
  In  In6  3  0.0000  0.0000  0.0000  1
]