data_[Pm2Ho2Cr2N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Cr  1.6600  1.4000  0.9400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.3406]
_cell_length_b [3.4132]
_cell_length_c [7.3597]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.6993]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [PmHoCrN3]
_chemical_formula_sum '[Pm2 Ho2 Cr2 N6]'
_cell_volume [182.2747]
_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  0.1769  0.7500  0.1792  1
  Ho  Ho1  2  0.3663  0.2500  0.8317  1
  Cr  Cr2  2  0.0821  0.7500  0.5981  1
  N  N3  2  0.1201  0.7500  0.8469  1
  N  N4  2  0.1638  0.2500  0.5204  1
  N  N5  2  0.4047  0.2500  0.1473  1
]