data_[Er16Sn2Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.0158]
_cell_length_b [4.8451]
_cell_length_c [7.0517]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.8776]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er8SnSb2]
_chemical_formula_sum '[Er16 Sn2 Sb4]'
_cell_volume [640.0658]
_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
[
  Er  Er0  4  0.0171  0.0000  0.7531  1
  Er  Er1  4  0.0945  0.5000  0.4892  1
  Er  Er2  4  0.1616  0.5000  0.0243  1
  Er  Er3  4  0.2161  0.0000  0.3486  1
  Sn  Sn4  2  0.0000  0.5000  0.0000  1
  Sb  Sb5  4  0.1805  0.0000  0.7693  1
]