data_[Zr4Cu6Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Cu  1.9000  1.3500  0.8200
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [3.6646]
_cell_length_b [18.1454]
_cell_length_c [3.6267]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Zr2Cu3Ge2]
_chemical_formula_sum '[Zr4 Cu6 Ge4]'
_cell_volume [241.1584]
_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
[
  Zr  Zr0  4  0.0000  0.1592  0.0000  1
  Cu  Cu1  4  0.0000  0.4360  0.5000  1
  Cu  Cu2  2  0.0000  0.0000  0.0000  1
  Ge  Ge3  4  0.0000  0.2998  0.5000  1
]