data_[La3Pm3O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.5609]
_cell_length_b [3.5609]
_cell_length_c [18.3395]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [LaPmO2]
_chemical_formula_sum '[La3 Pm3 O6]'
_cell_volume [201.3884]
_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
[
  La  La0  3  0.0000  0.0000  0.4950  1
  Pm  Pm1  3  0.0000  0.0000  0.6724  1
  O  O2  3  0.0000  0.0000  0.0770  1
  O  O3  3  0.0000  0.0000  0.2556  1
]