data_[Sm4Er8Zn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.2336]
_cell_length_b [15.2446]
_cell_length_c [6.1739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Sm(ErZn)2]
_chemical_formula_sum '[Sm4 Er8 Zn8]'
_cell_volume [492.5831]
_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
[
  Sm  Sm0  4  0.0000  0.4161  0.0937  1.0
  Er  Er1  4  0.0000  0.0420  0.2446  1.0
  Er  Er2  4  0.0000  0.2007  0.8513  1.0
  Zn  Zn3  4  0.0000  0.2214  0.3569  1.0
  Zn  Zn4  4  0.0000  0.3741  0.5879  1.0
]