data_[Sm8B4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  B  2.0400  0.8500  0.4100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.3362]
_cell_length_b [13.5860]
_cell_length_c [10.4415]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Sm2BO5]
_chemical_formula_sum '[Sm8 B4 O20]'
_cell_volume [615.1212]
_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
[
  Sm  Sm0  8  0.0000  0.1426  0.5271  1
  B  B1  4  0.0000  0.0189  0.7500  1
  O  O2  8  0.0000  0.0263  0.1327  1
  O  O3  8  0.0000  0.3110  0.0024  1
  O  O4  4  0.0000  0.1220  0.7500  1
]