data_[Sm8Er2Co8]
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
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [P4_2/n]
_cell_length_a [8.4590]
_cell_length_b [8.4590]
_cell_length_c [5.7106]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [86]
_chemical_formula_structural [Sm4ErCo4]
_chemical_formula_sum '[Sm8 Er2 Co8]'
_cell_volume [408.6218]
_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
[
  Sm  Sm0  8  0.0732  0.3057  0.6208  1
  Er  Er1  2  0.0000  0.0000  0.0000  1
  Co  Co2  8  0.1362  0.2597  0.1428  1
]