data_[Na1Sr1Pm2Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Pm  1.1300  1.8500  1.1100
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.8006]
_cell_length_b [4.5185]
_cell_length_c [8.0889]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7817]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [NaSr(PmTe2)2]
_chemical_formula_sum '[Na1 Sr1 Pm2 Te4]'
_cell_volume [269.9288]
_cell_formula_units_Z [1]
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
[
  Na  Na0  1  0.5000  0.0000  0.5000  1
  Sr  Sr1  1  0.0000  0.5000  0.5000  1
  Pm  Pm2  1  0.0000  0.0000  0.0000  1
  Pm  Pm3  1  0.5000  0.5000  0.0000  1
  Te  Te4  2  0.2489  0.5000  0.2391  1
  Te  Te5  2  0.2570  0.0000  0.7603  1
]