data_YNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.75
_cell_length_b   5.75
_cell_length_c   5.75
_cell_angle_alpha   139.78
_cell_angle_beta   139.78
_cell_angle_gamma   58.19
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YNi
_chemical_formula_sum   'Y2 Ni2'
_cell_volume   78.66
_cell_formula_units_Z   2
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  Y2  1  0.98  0.0  0.51  1.0
  Y  Y3  1  0.0  0.0  0.03  1.0
  Ni  Ni0  1  0.0  0.0  0.0  1.0
  Ni  Ni1  1  0.0  0.98  0.51  1.0

data_YNi
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.96
_cell_length_b   3.96
_cell_length_c   5.75
_cell_angle_alpha   110.11
_cell_angle_beta   110.11
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YNi
_chemical_formula_sum   'Y2 Ni2'
_cell_volume   78.66
_cell_formula_units_Z   2
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  0.03  0.03  0.03  1.0
  Y  Y1  1  0.51  0.54  0.54  1.0
  Ni  Ni2  1  0.0  0.0  0.0  1.0
  Ni  Ni3  1  0.54  0.51  0.54  1.0

Y Y Ni Ni