data_[Y8Be4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Be  1.5700  1.0500  0.5900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [10.4754]
_cell_length_b [3.5631]
_cell_length_c [10.0265]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Y2BeO4]
_chemical_formula_sum '[Y8 Be4 O16]'
_cell_volume [374.2360]
_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
[
  Y  Y0  4  0.0904  0.2500  0.6794  1
  Y  Y1  4  0.1174  0.2500  0.0878  1
  Be  Be2  4  0.1931  0.2500  0.3741  1
  O  O3  4  0.0134  0.2500  0.8864  1
  O  O4  4  0.0454  0.2500  0.3495  1
  O  O5  4  0.2223  0.7500  0.7459  1
  O  O6  4  0.2477  0.2500  0.5169  1
]