data_[Sr4Ge4Pb6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ge  2.0100  1.2500  0.7700
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.0803]
_cell_length_b [22.4751]
_cell_length_c [4.6245]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Sr2Ge2Pb3]
_chemical_formula_sum '[Sr4 Ge4 Pb6]'
_cell_volume [424.0981]
_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
[
  Sr  Sr0  4  0.0000  0.1688  0.0000  1.0
  Ge  Ge1  4  0.0000  0.2842  0.5000  1.0
  Pb  Pb2  4  0.0000  0.4256  0.5000  1.0
  Pb  Pb3  2  0.0000  0.0000  0.0000  1.0
]