data_[Li2Pm2As2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Pm  1.1300  1.8500  1.1100
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [4.0382]
_cell_length_b [4.0382]
_cell_length_c [8.2507]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [LiPmAs]
_chemical_formula_sum '[Li2 Pm2 As2]'
_cell_volume [134.5442]
_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
[
  Li  Li0  2  0.0000  0.0000  0.9375  1
  Pm  Pm1  2  0.0000  0.0000  0.2789  1
  As  As2  2  0.0000  0.0000  0.6336  1
]