data_[Ag18Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [2.9005]
_cell_length_b [4.1962]
_cell_length_c [43.5550]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Ag9Ge]
_chemical_formula_sum '[Ag18 Ge2]'
_cell_volume [530.1178]
_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
[
  Ag  Ag0  2  0.0000  0.0000  0.2458  1
  Ag  Ag1  2  0.0000  0.0000  0.3134  1
  Ag  Ag2  2  0.0000  0.0000  0.3813  1
  Ag  Ag3  2  0.0000  0.0000  0.4491  1
  Ag  Ag4  2  0.0000  0.0000  0.5168  1
  Ag  Ag5  2  0.0000  0.0000  0.5846  1
  Ag  Ag6  2  0.0000  0.0000  0.6524  1
  Ag  Ag7  2  0.0000  0.0000  0.7203  1
  Ag  Ag8  2  0.0000  0.0000  0.7903  1
  Ge  Ge9  2  0.0000  0.0000  0.1822  1
]