data_[Sm3Er3Co3]
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 [P3_212]
_cell_length_a [5.5164]
_cell_length_b [5.5164]
_cell_length_c [7.7105]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [153]
_chemical_formula_structural [SmErCo]
_chemical_formula_sum '[Sm3 Er3 Co3]'
_cell_volume [203.2037]
_cell_formula_units_Z [3]
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  3  0.5100  0.0201  0.8333  1
  Er  Er1  3  0.1451  0.2901  0.8333  1
  Co  Co2  3  0.3431  0.1716  0.5000  1
]