data_[Pm2Tm2Nb2N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
  Nb  1.6000  1.4500  0.8200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.8085]
_cell_length_b [3.3798]
_cell_length_c [8.6156]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.0173]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [PmTmNbN3]
_chemical_formula_sum '[Pm2 Tm2 Nb2 N6]'
_cell_volume [164.7906]
_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  0.3486  0.7500  0.3111  1
  Tm  Tm1  2  0.2313  0.2500  0.9539  1
  Nb  Nb2  2  0.1339  0.7500  0.6372  1
  N  N3  2  0.0415  0.2500  0.1663  1
  N  N4  2  0.2409  0.2500  0.5169  1
  N  N5  2  0.4365  0.7500  0.8269  1
]