data_[Zn4Ge4S4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Ge  2.0100  1.2500  0.7700
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Pca2_1]
_cell_length_a [6.2237]
_cell_length_b [6.3326]
_cell_length_c [5.9242]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [29]
_chemical_formula_structural [ZnGeS]
_chemical_formula_sum '[Zn4 Ge4 S4]'
_cell_volume [233.4898]
_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
[
  Zn  Zn0  4  0.0373  0.7063  0.5078  1
  Ge  Ge1  4  0.1000  0.1039  0.3819  1
  S  S2  4  0.0858  0.6435  0.1084  1
]