The compound described by Hf2Ge is Khatyrkite structured and crystallizes in the tetragonal I4/mcm space group. Hf(1) is bonded in a 4-coordinate geometry to four equivalent Ge(1) atoms. Ge(1) is bonded in a 10-coordinate geometry to eight equivalent Hf(1) and two equivalent Ge(1) atoms. is represented by the CIF file [CIF]
data_Hf2Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.293
_cell_length_b   5.353
_cell_length_c   5.353
_cell_angle_alpha   75.853
_cell_angle_beta   60.371
_cell_angle_gamma   60.371
_symmetry_Int_Tables_number   1
_cell_volume   114.602
_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
  Hf  Hf0  1  0.656  0.188  0.500  1.0
  Hf  Hf1  1  0.844  0.500  0.812  1.0
  Hf  Hf2  1  0.344  0.812  0.500  1.0
  Hf  Hf3  1  0.156  0.500  0.188  1.0
  Ge  Ge4  1  0.750  0.000  0.000  1.0
  Ge  Ge5  1  0.250  0.000  0.000  1.0
[/CIF]
.
The compound described by Hf2Ge is Khatyrkite structured and crystallizes in the tetragonal I4/mcm space group. Hf(1) is bonded in a 4-coordinate geometry to four equivalent Ge(1) atoms. Ge(1) is bonded in a 10-coordinate geometry to eight equivalent Hf(1) and two equivalent Ge(1) atoms. is represented by the CIF file [CIF]
data_Hf2Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.293
_cell_length_b   5.353
_cell_length_c   5.353
_cell_angle_alpha   75.853
_cell_angle_beta   60.371
_cell_angle_gamma   60.371
_symmetry_Int_Tables_number   1
_cell_volume   114.602
_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
  Hf  Hf0  1  0.656  0.188  0.500  1.0
  Hf  Hf1  1  0.844  0.500  0.812  1.0
  Hf  Hf2  1  0.344  0.812  0.500  1.0
  Hf  Hf3  1  0.156  0.500  0.188  1.0
  Ge  Ge4  1  0.750  0.000  0.000  1.0
  Ge  Ge5  1  0.250  0.000  0.000  1.0
[/CIF]
.