data_[La6Er2Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Er  1.2400  1.7500  1.0300
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.3165]
_cell_length_b [6.4389]
_cell_length_c [16.5652]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [La3ErGe4]
_chemical_formula_sum '[La6 Er2 Ge8]'
_cell_volume [460.4030]
_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
[
  La  La0  4  0.0000  0.0000  0.1968  1
  La  La1  2  0.0000  0.5000  0.0000  1
  Er  Er2  2  0.0000  0.5000  0.5000  1
  Ge  Ge3  8  0.0000  0.1941  0.6275  1
]