data_[Pm2Er2V2N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  V  1.6300  1.3500  0.7775
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.2861]
_cell_length_b [3.4408]
_cell_length_c [7.4976]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.9834]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [PmErVN3]
_chemical_formula_sum '[Pm2 Er2 V2 N6]'
_cell_volume [185.6554]
_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  0.1766  0.7500  0.1762  1
  Er  Er1  2  0.3674  0.2500  0.8361  1
  V  V2  2  0.0905  0.7500  0.5982  1
  N  N3  2  0.1146  0.7500  0.8462  1
  N  N4  2  0.1714  0.2500  0.5189  1
  N  N5  2  0.4060  0.2500  0.1440  1
]