The material structure described by HfGa2 crystallizes in the tetragonal I4_1/amd space group. Hf(1) is bonded in a 10-coordinate geometry to four equivalent Ga(1) and six equivalent Ga(2) atoms. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a distorted square co-planar geometry to four equivalent Hf(1) and four equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded in a 12-coordinate geometry to six equivalent Hf(1), two equivalent Ga(2), and four equivalent Ga(1) atoms. is represented by the CIF card [CIF]
data_HfGa2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.028
_cell_length_b   4.028
_cell_length_c   12.987
_cell_angle_alpha   98.946
_cell_angle_beta   98.946
_cell_angle_gamma   89.986
_symmetry_Int_Tables_number   1
_cell_volume   205.513
_cell_formula_units_Z   4
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  0.200  0.450  0.901  1.0
  Hf  Hf1  1  0.950  0.700  0.401  1.0
  Hf  Hf2  1  0.800  0.550  0.099  1.0
  Hf  Hf3  1  0.050  0.300  0.599  1.0
  Ga  Ga4  1  0.376  0.626  0.251  1.0
  Ga  Ga5  1  0.126  0.876  0.751  1.0
  Ga  Ga6  1  0.624  0.374  0.749  1.0
  Ga  Ga7  1  0.874  0.124  0.249  1.0
  Ga  Ga8  1  0.536  0.786  0.573  1.0
  Ga  Ga9  1  0.286  0.036  0.073  1.0
  Ga  Ga10  1  0.464  0.214  0.427  1.0
  Ga  Ga11  1  0.714  0.964  0.927  1.0
[/CIF]
.
The material structure described by HfGa2 crystallizes in the tetragonal I4_1/amd space group. Hf(1) is bonded in a 10-coordinate geometry to four equivalent Ga(1) and six equivalent Ga(2) atoms. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a distorted square co-planar geometry to four equivalent Hf(1) and four equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded in a 12-coordinate geometry to six equivalent Hf(1), two equivalent Ga(2), and four equivalent Ga(1) atoms. is represented by the CIF card [CIF]
data_HfGa2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.028
_cell_length_b   4.028
_cell_length_c   12.987
_cell_angle_alpha   98.946
_cell_angle_beta   98.946
_cell_angle_gamma   89.986
_symmetry_Int_Tables_number   1
_cell_volume   205.513
_cell_formula_units_Z   4
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  0.200  0.450  0.901  1.0
  Hf  Hf1  1  0.950  0.700  0.401  1.0
  Hf  Hf2  1  0.800  0.550  0.099  1.0
  Hf  Hf3  1  0.050  0.300  0.599  1.0
  Ga  Ga4  1  0.376  0.626  0.251  1.0
  Ga  Ga5  1  0.126  0.876  0.751  1.0
  Ga  Ga6  1  0.624  0.374  0.749  1.0
  Ga  Ga7  1  0.874  0.124  0.249  1.0
  Ga  Ga8  1  0.536  0.786  0.573  1.0
  Ga  Ga9  1  0.286  0.036  0.073  1.0
  Ga  Ga10  1  0.464  0.214  0.427  1.0
  Ga  Ga11  1  0.714  0.964  0.927  1.0
[/CIF]
.