data_[Er4Al4B8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Al  1.6100  1.2500  0.6750
  B  2.0400  0.8500  0.4100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.8285]
_cell_length_b [9.0112]
_cell_length_c [5.8888]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.8618]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [ErAl(BO3)2]
_chemical_formula_sum '[Er4 Al4 B8 O24]'
_cell_volume [401.5273]
_cell_formula_units_Z [4]
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  4  0.0000  0.1242  0.2500  1.0
  Al  Al1  4  0.0000  0.3104  0.7500  1.0
  B  B2  8  0.2131  0.4153  0.2143  1.0
  O  O3  8  0.0974  0.3150  0.0810  1.0
  O  O4  8  0.1219  0.1342  0.6534  1.0
  O  O5  8  0.1899  0.4344  0.7213  1.0
]