data_[Pm8V4Cr4N20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  V  1.6300  1.3500  0.7775
  Cr  1.6600  1.4000  0.9400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.2867]
_cell_length_b [13.7318]
_cell_length_c [10.0060]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pm2VCrN5]
_chemical_formula_sum '[Pm8 V4 Cr4 N20]'
_cell_volume [451.5897]
_cell_formula_units_Z [4]
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  4  0.0000  0.1177  0.6772  1
  Pm  Pm1  4  0.0000  0.1350  0.3147  1
  V  V2  4  0.0000  0.4396  0.4444  1
  Cr  Cr3  4  0.0000  0.2120  0.0317  1
  N  N4  4  0.0000  0.0440  0.0304  1
  N  N5  4  0.0000  0.2934  0.6461  1
  N  N6  4  0.0000  0.3154  0.3821  1
  N  N7  4  0.0000  0.3443  0.0067  1
  N  N8  4  0.0000  0.4983  0.7906  1
]