data_[Pm8Y4S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Y  1.2200  1.8000  1.0400
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [7.9735]
_cell_length_b [8.0680]
_cell_length_c [11.1445]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Pm2YS4]
_chemical_formula_sum '[Pm8 Y4 S16]'
_cell_volume [716.9271]
_cell_formula_units_Z [4]
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  4  0.0000  0.0000  0.0000  1
  Pm  Pm1  4  0.2500  0.2500  0.2500  1
  Y  Y2  4  0.2500  0.2500  0.7500  1
  S  S3  8  0.0000  0.0060  0.7464  1
  S  S4  8  0.2442  0.2500  0.9968  1
]