data_[Be8P4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-42d]
_cell_length_a [4.5071]
_cell_length_b [4.5071]
_cell_length_c [8.3916]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [122]
_chemical_formula_structural [Be2PO]
_chemical_formula_sum '[Be8 P4 O4]'
_cell_volume [170.4659]
_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
[
  Be  Be0  8  0.1558  0.2500  0.6250  1
  P  P1  4  0.0000  0.0000  0.0000  1
  O  O2  4  0.0000  0.0000  0.5000  1
]