The compound described by NiSi crystallizes in the cubic P2_13 space group. Ni(1) is bonded in a 7-coordinate geometry to seven equivalent Si(1) atoms. Si(1) is bonded in a 7-coordinate geometry to seven equivalent Ni(1) atoms. is represented by the CIF file [CIF]
data_SiNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.504
_cell_length_b   4.504
_cell_length_c   4.504
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   91.350
_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
  Si  Si0  1  0.653  0.153  0.347  1.0
  Si  Si1  1  0.153  0.347  0.653  1.0
  Si  Si2  1  0.347  0.653  0.153  1.0
  Si  Si3  1  0.847  0.847  0.847  1.0
  Ni  Ni4  1  0.350  0.850  0.650  1.0
  Ni  Ni5  1  0.850  0.650  0.350  1.0
  Ni  Ni6  1  0.650  0.350  0.850  1.0
  Ni  Ni7  1  0.150  0.150  0.150  1.0
[/CIF]
.
The compound described by NiSi crystallizes in the cubic P2_13 space group. Ni(1) is bonded in a 7-coordinate geometry to seven equivalent Si(1) atoms. Si(1) is bonded in a 7-coordinate geometry to seven equivalent Ni(1) atoms. is represented by the CIF file [CIF]
data_SiNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.504
_cell_length_b   4.504
_cell_length_c   4.504
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   91.350
_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
  Si  Si0  1  0.653  0.153  0.347  1.0
  Si  Si1  1  0.153  0.347  0.653  1.0
  Si  Si2  1  0.347  0.653  0.153  1.0
  Si  Si3  1  0.847  0.847  0.847  1.0
  Ni  Ni4  1  0.350  0.850  0.650  1.0
  Ni  Ni5  1  0.850  0.650  0.350  1.0
  Ni  Ni6  1  0.650  0.350  0.850  1.0
  Ni  Ni7  1  0.150  0.150  0.150  1.0
[/CIF]
.