data_[Sm7Y2Er4]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.1992]
_cell_length_b [8.0035]
_cell_length_c [9.4819]
_cell_angle_alpha [65.0779]
_cell_angle_beta [83.8872]
_cell_angle_gamma [82.5498]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Sm7(YEr2)2]
_chemical_formula_sum '[Sm7 Y2 Er4]'
_cell_volume [422.3345]
_cell_formula_units_Z [1]
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  2  0.0763  0.8452  0.6938  1
  Sm  Sm1  2  0.2313  0.5383  0.0767  1
  Sm  Sm2  2  0.3854  0.2308  0.4612  1
  Sm  Sm3  1  0.0000  0.0000  0.0000  1
  Y  Y4  2  0.1557  0.6918  0.3846  1
  Er  Er5  2  0.3072  0.3828  0.7702  1
  Er  Er6  2  0.4627  0.0755  0.1528  1
]