data_[Pm4Si1Te2Pb1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Si  1.9000  1.1000  0.5400
  Te  2.1000  1.4000  1.2933
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.7142]
_cell_length_b [4.4045]
_cell_length_c [7.7478]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0330]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Pm4SiTe2Pb]
_chemical_formula_sum '[Pm4 Si1 Te2 Pb1]'
_cell_volume [248.8592]
_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
[
  Pm  Pm0  2  0.2581  0.5000  0.2369  1
  Pm  Pm1  2  0.2689  0.0000  0.7726  1
  Si  Si2  1  0.5000  0.5000  0.0000  1
  Te  Te3  1  0.0000  0.5000  0.5000  1
  Te  Te4  1  0.5000  0.0000  0.5000  1
  Pb  Pb5  1  0.0000  0.0000  0.0000  1
]