data_VSiNi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.79
_cell_length_b   2.79
_cell_length_c   6.03
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VSiNi2
_chemical_formula_sum   'V1 Si1 Ni2'
_cell_volume   46.8
_cell_formula_units_Z   1
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
  V  V3  1  0.39  0.39  0.54  1.0
  Si  Si2  1  0.0  0.0  0.87  1.0
  Ni  Ni0  1  0.0  0.0  0.02  1.0
  Ni  Ni1  1  0.39  0.39  0.62  1.0

data_VSiNi2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.94
_cell_length_b   3.94
_cell_length_c   6.03
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   VSiNi2
_chemical_formula_sum   'V2 Si2 Ni4'
_cell_volume   93.61
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  V  V0  2  0.39  0.0  0.54  1.0
  Si  Si1  2  0.0  0.0  0.87  1.0
  Ni  Ni2  2  0.0  0.0  0.02  1.0
  Ni  Ni3  2  0.39  0.0  0.62  1.0

V Si Ni Ni
V Si Ni Ni 0 3 o o o 1 2 o o + 
NiVNiSi is High Pressure Cadmuum Telluride structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two nickel;vanadium molecules and two silylnickel hydride molecules.