data_[Sm8Zn8Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.0692]
_cell_length_b [4.5243]
_cell_length_c [10.7909]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.4576]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2Zn2Cu]
_chemical_formula_sum '[Sm8 Zn8 Cu4]'
_cell_volume [440.1046]
_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  0.0164  0.0000  0.3357  1.0
  Sm  Sm1  4  0.2001  0.0000  0.1110  1.0
  Zn  Zn2  4  0.0025  0.5000  0.8824  1.0
  Zn  Zn3  4  0.1464  0.5000  0.5634  1.0
  Cu  Cu4  4  0.2271  0.5000  0.3498  1.0
]