data_[Sm4Y8Zn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Y  1.2200  1.8000  1.0400
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.6363]
_cell_length_b [26.6355]
_cell_length_c [5.2205]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Sm(YZn)2]
_chemical_formula_sum '[Sm4 Y8 Zn8]'
_cell_volume [505.6306]
_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  0.1440  0.7500  1
  Y  Y1  4  0.0000  0.0454  0.2500  1
  Y  Y2  4  0.0000  0.2310  0.2500  1
  Zn  Zn3  4  0.0000  0.3611  0.7500  1
  Zn  Zn4  4  0.0000  0.4515  0.2500  1
]