data_[Ge6P8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ge  2.0100  1.2500  0.7700
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [P6mm]
_cell_length_a [7.7722]
_cell_length_b [7.7722]
_cell_length_c [18.6473]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [183]
_chemical_formula_structural [Ge3P4]
_chemical_formula_sum '[Ge6 P8]'
_cell_volume [975.5248]
_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
[
  Ge  Ge0  6  0.1888  0.3777  0.4574  1
  P  P1  6  0.2386  0.4772  0.5808  1
  P  P2  2  0.3333  0.6667  0.3852  1
]