data_YSiNi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.67
_cell_length_b   4.67
_cell_length_c   2.91
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   106.71
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YSiNi2
_chemical_formula_sum   'Y1 Si1 Ni2'
_cell_volume   60.8
_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
  Y  Y3  1  0.79  0.0  0.0  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  Ni  Ni0  1  0.39  0.13  0.46  1.0
  Ni  Ni1  1  0.39  0.87  0.46  1.0

data_YSiNi2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.91
_cell_length_b   4.67
_cell_length_c   4.67
_cell_angle_alpha   106.71
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YSiNi2
_chemical_formula_sum   'Y1 Si1 Ni2'
_cell_volume   60.8
_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
  Y  Y0  1  -0.0  0.79  0.0  1.0
  Si  Si1  1  0.0  0.0  0.0  1.0
  Ni  Ni2  1  0.46  0.39  0.13  1.0
  Ni  Ni3  1  0.46  0.39  0.87  1.0

Y Si Ni Ni