data_[Sm2Y2Er4]
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 [Pm]
_cell_length_a [6.3155]
_cell_length_b [5.6520]
_cell_length_c [7.2736]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0284]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [SmYEr2]
_chemical_formula_sum '[Sm2 Y2 Er4]'
_cell_volume [259.6305]
_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  1  0.2808  0.0000  0.8266  1.0
  Sm  Sm1  1  0.9477  0.5000  0.8261  1.0
  Y  Y2  1  0.2801  0.0000  0.3241  1.0
  Y  Y3  1  0.4484  0.5000  0.5736  1.0
  Er  Er4  1  0.4479  0.5000  0.0774  1.0
  Er  Er5  1  0.7773  0.0000  0.0777  1.0
  Er  Er6  1  0.7809  0.0000  0.5726  1.0
  Er  Er7  1  0.9435  0.5000  0.3245  1.0
]