data_ScPbSe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.79
_cell_length_b   4.45
_cell_length_c   5.75
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ScPbSe2
_chemical_formula_sum   'Sc1 Pb1 Se2'
_cell_volume   96.78
_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
  Sc  Sc1  1  0.0  0.0  0.0  1.0
  Pb  Pb0  1  0.0  0.22  0.87  1.0
  Se  Se2  1  0.89  0.0  0.87  1.0
  Se  Se3  1  0.89  0.22  0.0  1.0

data_ScPbSe2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.79
_cell_length_b   4.45
_cell_length_c   5.75
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ScPbSe2
_chemical_formula_sum   'Sc1 Pb1 Se2'
_cell_volume   96.78
_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
  Sc  Sc0  1  0.0  0.0  0.0  1.0
  Pb  Pb1  1  0.0  0.22  0.87  1.0
  Se  Se2  1  0.89  0.0  0.87  1.0
  Se  Se3  1  0.89  0.22  -0.0  1.0

Sc Pb Se Se