data_[Sr2Zn6Ge3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Zn  1.6500  1.3500  0.8800
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P-62m]
_cell_length_a [7.7879]
_cell_length_b [7.7879]
_cell_length_c [4.2706]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [189]
_chemical_formula_structural [Sr2(Zn2Ge)3]
_chemical_formula_sum '[Sr2 Zn6 Ge3]'
_cell_volume [224.3179]
_cell_formula_units_Z [1]
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
[
  Sr  Sr0  2  0.3333  0.6667  0.0000  1.0
  Zn  Zn1  3  0.0000  0.2971  0.5000  1.0
  Zn  Zn2  3  0.0000  0.8127  0.0000  1.0
  Ge  Ge3  3  0.0000  0.6362  0.5000  1.0
]