data_[Er2Fe8B8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Fe  1.8300  1.4000  0.8525
  B  2.0400  0.8500  0.4100
]
_symmetry_space_group_name_H-M [P4_2/n]
_cell_length_a [6.9135]
_cell_length_b [6.9135]
_cell_length_c [3.8227]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [86]
_chemical_formula_structural [Er(FeB)4]
_chemical_formula_sum '[Er2 Fe8 B8]'
_cell_volume [182.7074]
_cell_formula_units_Z [2]
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
[
  Er  Er0  2  0.0000  0.0000  0.0000  1
  Fe  Fe1  8  0.1157  0.3680  0.6104  1
  B  B2  8  0.1671  0.6984  0.6073  1
]