data_[Sm4Zn8Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Zn  1.6500  1.3500  0.8800
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.7739]
_cell_length_b [4.6248]
_cell_length_c [11.0316]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Sm(ZnGe)2]
_chemical_formula_sum '[Sm4 Zn8 Ge8]'
_cell_volume [396.6180]
_cell_formula_units_Z [4]
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  0.2388  0.2500  0.1850  1
  Zn  Zn1  4  0.0903  0.2500  0.4602  1
  Zn  Zn2  4  0.1031  0.2500  0.8493  1
  Ge  Ge3  4  0.0663  0.7500  0.3407  1
  Ge  Ge4  4  0.0897  0.7500  0.9646  1
]