data_[Be4Hg2Pb2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.7218]
_cell_length_b [5.5151]
_cell_length_c [6.2325]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.2600]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Be2HgPbF8]
_chemical_formula_sum '[Be4 Hg2 Pb2 F16]'
_cell_volume [313.4949]
_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
[
  Be  Be0  4  0.2113  0.5000  0.1790  1.0
  Hg  Hg1  2  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  2  0.0000  0.5000  0.5000  1.0
  F  F3  8  0.1463  0.2751  0.2727  1.0
  F  F4  4  0.1175  0.0000  0.7202  1.0
  F  F5  4  0.1553  0.5000  0.9155  1.0
]