data_[Rb8Co4Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Co  1.8800  1.3500  0.7683
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [6.7080]
_cell_length_b [11.5011]
_cell_length_c [8.2276]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Rb2CoSn]
_chemical_formula_sum '[Rb8 Co4 Sn4]'
_cell_volume [634.7555]
_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
[
  Rb  Rb0  4  0.0000  0.1633  0.2048  1
  Rb  Rb1  4  0.5000  0.1745  0.8485  1
  Co  Co2  4  0.3347  0.0000  0.5145  1
  Sn  Sn3  2  0.0000  0.0000  0.6653  1
  Sn  Sn4  2  0.5000  0.0000  0.2395  1
]