data_[Pm1Er1Sc2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  Sc  1.3600  1.6000  0.8850
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [3.4924]
_cell_length_b [4.6211]
_cell_length_c [6.9927]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [PmErSc2]
_chemical_formula_sum '[Pm1 Er1 Sc2]'
_cell_volume [112.8553]
_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  1  0.5000  0.5000  0.0000  1
  Er  Er1  1  0.5000  0.5000  0.5000  1
  Sc  Sc2  2  0.0000  0.0000  0.2549  1
]