data_[Pm4As1Se2Cl1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  As  2.1800  1.1500  0.6600
  Se  2.5500  1.1500  1.0133
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.2543]
_cell_length_b [4.2129]
_cell_length_c [7.2788]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6222]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Pm4AsSe2Cl]
_chemical_formula_sum '[Pm4 As1 Se2 Cl1]'
_cell_volume [209.5319]
_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  0.2508  0.5000  0.2332  1
  Pm  Pm1  2  0.2642  0.0000  0.7724  1
  As  As2  1  0.0000  0.0000  0.0000  1
  Se  Se3  1  0.5000  0.0000  0.5000  1
  Se  Se4  1  0.5000  0.5000  0.0000  1
  Cl  Cl5  1  0.0000  0.5000  0.5000  1
]