The crystal structure described by HfSi crystallizes in the orthorhombic Pnma space group. Hf(1) is bonded in a 7-coordinate geometry to seven equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to seven equivalent Hf(1) and two equivalent Si(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_HfSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.768
_cell_length_b   5.223
_cell_length_c   6.862
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   135.073
_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  0.250  0.374  0.675  1.0
  Hf  Hf1  1  0.750  0.626  0.325  1.0
  Hf  Hf2  1  0.750  0.874  0.825  1.0
  Hf  Hf3  1  0.250  0.126  0.175  1.0
  Si  Si4  1  0.250  0.861  0.543  1.0
  Si  Si5  1  0.750  0.139  0.457  1.0
  Si  Si6  1  0.750  0.361  0.957  1.0
  Si  Si7  1  0.250  0.639  0.043  1.0
[/CIF]
.
The crystal structure described by HfSi crystallizes in the orthorhombic Pnma space group. Hf(1) is bonded in a 7-coordinate geometry to seven equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to seven equivalent Hf(1) and two equivalent Si(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_HfSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.768
_cell_length_b   5.223
_cell_length_c   6.862
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   135.073
_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  0.250  0.374  0.675  1.0
  Hf  Hf1  1  0.750  0.626  0.325  1.0
  Hf  Hf2  1  0.750  0.874  0.825  1.0
  Hf  Hf3  1  0.250  0.126  0.175  1.0
  Si  Si4  1  0.250  0.861  0.543  1.0
  Si  Si5  1  0.750  0.139  0.457  1.0
  Si  Si6  1  0.750  0.361  0.957  1.0
  Si  Si7  1  0.250  0.639  0.043  1.0
[/CIF]
.