The compound described by Ge is beta Sn structured and crystallizes in the tetragonal I4_1/amd space group. Ge(1) is bonded to six equivalent Ge(1) atoms to form a mixture of distorted corner and edge-sharing GeGe6 pentagonal pyramids. is represented by the CIF file [CIF]
data_Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.795
_cell_length_b   3.900
_cell_length_c   3.900
_cell_angle_alpha   82.623
_cell_angle_beta   69.003
_cell_angle_gamma   69.003
_symmetry_Int_Tables_number   1
_cell_volume   37.048
_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  1  0.375  0.250  0.750  1.0
  Ge  Ge1  1  0.625  0.750  0.250  1.0
[/CIF]
.
The compound described by Ge is beta Sn structured and crystallizes in the tetragonal I4_1/amd space group. Ge(1) is bonded to six equivalent Ge(1) atoms to form a mixture of distorted corner and edge-sharing GeGe6 pentagonal pyramids. is represented by the CIF file [CIF]
data_Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.795
_cell_length_b   3.900
_cell_length_c   3.900
_cell_angle_alpha   82.623
_cell_angle_beta   69.003
_cell_angle_gamma   69.003
_symmetry_Int_Tables_number   1
_cell_volume   37.048
_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  1  0.375  0.250  0.750  1.0
  Ge  Ge1  1  0.625  0.750  0.250  1.0
[/CIF]
.