data_[K8Ge2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ge  2.0100  1.2500  0.7700
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P4_2/nmc]
_cell_length_a [8.8611]
_cell_length_b [8.8611]
_cell_length_c [6.8926]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [137]
_chemical_formula_structural [K4GeS4]
_chemical_formula_sum '[K8 Ge2 S8]'
_cell_volume [541.2028]
_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
[
  K  K0  8  0.0000  0.2722  0.6525  1
  Ge  Ge1  2  0.0000  0.0000  0.0000  1
  S  S2  8  0.0000  0.2098  0.1842  1
]