data_BePt2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.28
_cell_length_b   3.28
_cell_length_c   6.47
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BePt2Pb
_chemical_formula_sum   'Be1 Pt2 Pb1'
_cell_volume   69.59
_cell_formula_units_Z   1
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  1  0.0  0.0  0.48  1.0
  Pt  Pt2  1  0.0  0.0  0.19  1.0
  Pt  Pt3  1  0.64  0.64  0.09  1.0
  Pb  Pb1  1  0.64  0.64  0.95  1.0

data_BePt2Pb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.64
_cell_length_b   4.64
_cell_length_c   6.47
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BePt2Pb
_chemical_formula_sum   'Be2 Pt4 Pb2'
_cell_volume   139.18
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.48  1.0
  Pt  Pt1  2  0.0  0.0  0.19  1.0
  Pt  Pt2  2  0.14  0.5  0.09  1.0
  Pb  Pb3  2  0.14  0.5  0.95  1.0

Be Pt Pt Pb
Be Pt Pt Pb 0 1 o o o 1 2 - - o 2 3 o o - 