data_[Er2B2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  B  2.0400  0.8500  0.4100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [3.8599]
_cell_length_b [5.0202]
_cell_length_c [6.1176]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3268]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [ErBO3]
_chemical_formula_sum '[Er2 B2 O6]'
_cell_volume [112.5319]
_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  0.3840  0.7500  0.2156  1.0
  B  B1  2  0.0071  0.2500  0.2635  1.0
  O  O2  4  0.1566  0.5124  0.8301  1.0
  O  O3  2  0.3568  0.2500  0.4097  1.0
]