data_[Sm4Er2Cu8Sn4Ge4]
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
  Cu  1.9000  1.3500  0.8200
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.4184]
_cell_length_b [6.6911]
_cell_length_c [14.5729]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Sm2ErCu4(SnGe)2]
_chemical_formula_sum '[Sm4 Er2 Cu8 Sn4 Ge4]'
_cell_volume [430.8330]
_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  4  0.0000  0.5000  0.1267  1
  Er  Er1  2  0.0000  0.0000  0.0000  1
  Cu  Cu2  8  0.0000  0.3119  0.3407  1
  Sn  Sn3  4  0.0000  0.0000  0.2161  1
  Ge  Ge4  4  0.0000  0.1934  0.5000  1
]