data_VSiNi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.87
_cell_length_b   3.98
_cell_length_c   4.08
_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   46.72
_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  0.44  0.0  0.04  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  Ni  Ni0  1  0.44  0.99  0.0  1.0
  Ni  Ni1  1  0.0  0.99  0.04  1.0

data_VSiNi2
_symmetry_space_group_name_H-M   Pm
_cell_length_a   2.87
_cell_length_b   3.98
_cell_length_c   4.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   VSiNi2
_chemical_formula_sum   'V1 Si1 Ni2'
_cell_volume   46.72
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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  V0  1  0.44  0.0  0.04  1.0
  Si  Si1  1  0.0  0.0  0.0  1.0
  Ni  Ni2  1  0.0  0.0  0.04  1.0
  Ni  Ni3  1  0.44  0.0  0.0  1.0

V Si Ni Ni
V Si Ni Ni 0 2 o - o 1 3 o - o 