data_[Pm3Co6Sb3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Co  1.8800  1.3500  0.7683
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.4321]
_cell_length_b [5.4321]
_cell_length_c [12.9198]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [PmCo2SbO6]
_chemical_formula_sum '[Pm3 Co6 Sb3 O18]'
_cell_volume [330.1623]
_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  3  0.0000  0.0000  0.7744  1
  Co  Co1  3  0.0000  0.0000  0.0163  1
  Co  Co2  3  0.0000  0.0000  0.5196  1
  Sb  Sb3  3  0.0000  0.0000  0.2950  1
  O  O4  9  0.0855  0.3382  0.5978  1
  O  O5  9  0.1060  0.7462  0.0877  1
]