data_[Pm2Sm2Ta2N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Ta  1.5000  1.4500  0.8200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.5222]
_cell_length_b [3.3822]
_cell_length_c [9.6946]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.0040]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [PmSmTaN3]
_chemical_formula_sum '[Pm2 Sm2 Ta2 N6]'
_cell_volume [213.3356]
_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
[
  Pm  Pm0  2  0.2231  0.7500  0.2543  1
  Sm  Sm1  2  0.3196  0.2500  0.8912  1
  Ta  Ta2  2  0.1377  0.7500  0.5801  1
  N  N3  2  0.0894  0.7500  0.7784  1
  N  N4  2  0.2029  0.2500  0.4739  1
  N  N5  2  0.4059  0.2500  0.1315  1
]