data_[Pr1Er1Ni10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [3.9617]
_cell_length_b [4.9203]
_cell_length_c [8.5205]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [PrErNi10]
_chemical_formula_sum '[Pr1 Er1 Ni10]'
_cell_volume [166.0883]
_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
[
  Pr  Pr0  1  0.0000  0.0000  0.0000  1
  Er  Er1  1  0.0000  0.5000  0.5000  1
  Ni  Ni2  4  0.5000  0.2529  0.2554  1
  Ni  Ni3  2  0.0000  0.0000  0.3388  1
  Ni  Ni4  2  0.0000  0.5000  0.1730  1
  Ni  Ni5  1  0.5000  0.0000  0.5000  1
  Ni  Ni6  1  0.5000  0.5000  0.0000  1
]