data_[Sr4Sn4Sb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [8.2466]
_cell_length_b [8.2466]
_cell_length_c [4.8996]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Sr2Sn2Sb]
_chemical_formula_sum '[Sr4 Sn4 Sb2]'
_cell_volume [333.2016]
_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  0.1757  0.3243  0.5000  1.0
  Sn  Sn1  4  0.1249  0.6249  0.0000  1.0
  Sb  Sb2  2  0.0000  0.0000  0.0000  1.0
]