data_[Sm2Er2Al4Ge2]
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
  Al  1.6100  1.2500  0.6750
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.3117]
_cell_length_b [4.3868]
_cell_length_c [12.2738]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [SmErAl2Ge]
_chemical_formula_sum '[Sm2 Er2 Al4 Ge2]'
_cell_volume [232.1548]
_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  2  0.0000  0.0000  0.4435  1
  Er  Er1  2  0.0000  0.5000  0.1976  1
  Al  Al2  2  0.0000  0.0000  0.0457  1
  Al  Al3  2  0.0000  0.5000  0.6818  1
  Ge  Ge4  2  0.0000  0.0000  0.8435  1
]