data_[Ca16Sn4H4Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Sn  1.9600  1.4500  0.8300
  H  2.2000  0.2500  0.0000
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.6547]
_cell_length_b [17.6818]
_cell_length_c [6.6606]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ca4SnHPb]
_chemical_formula_sum '[Ca16 Sn4 H4 Pb4]'
_cell_volume [783.7349]
_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
[
  Ca  Ca0  8  0.2500  0.2500  0.0000  1.0
  Ca  Ca1  4  0.0000  0.0732  0.7500  1.0
  Ca  Ca2  4  0.0000  0.4336  0.7500  1.0
  Sn  Sn3  4  0.0000  0.3821  0.2500  1.0
  H  H4  4  0.0000  0.2381  0.7500  1.0
  Pb  Pb5  4  0.0000  0.1149  0.2500  1.0
]