data_[Sr4Ca4Bi4Sb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ca  1.0000  1.8000  1.1400
  Bi  2.0200  1.6000  1.0350
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.2951]
_cell_length_b [4.7802]
_cell_length_c [8.7760]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.7950]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2Ca2Bi2Sb]
_chemical_formula_sum '[Sr4 Ca4 Bi4 Sb2]'
_cell_volume [562.3128]
_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  0.0259  0.5000  0.7595  1
  Ca  Ca1  4  0.2128  0.0000  0.2987  1
  Bi  Bi2  4  0.1309  0.0000  0.5908  1
  Sb  Sb3  2  0.0000  0.0000  0.0000  1
]