data_[Mg6Ge6S6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ge  2.0100  1.2500  0.7700
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.1231]
_cell_length_b [4.1231]
_cell_length_c [35.6633]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [MgGeS]
_chemical_formula_sum '[Mg6 Ge6 S6]'
_cell_volume [525.0484]
_cell_formula_units_Z [6]
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
[
  Mg  Mg0  6  0.0000  0.0000  0.3638  1
  Ge  Ge1  6  0.0000  0.0000  0.1574  1
  S  S2  6  0.0000  0.0000  0.2911  1
]