data_YNi2As
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.05
_cell_length_b   5.05
_cell_length_c   5.05
_cell_angle_alpha   135.64
_cell_angle_beta   130.06
_cell_angle_gamma   68.99
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YNi2As
_chemical_formula_sum   'Y1 Ni2 As1'
_cell_volume   67.71
_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  0.91  0.0  0.98  1.0
  Ni  Ni1  1  0.91  0.0  0.52  1.0
  Ni  Ni2  1  0.0  0.0  0.14  1.0
  As  As0  1  0.0  0.0  0.84  1.0

data_YNi2As
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.81
_cell_length_b   4.26
_cell_length_c   5.05
_cell_angle_alpha   114.97
_cell_angle_beta   112.18
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YNi2As
_chemical_formula_sum   'Y1 Ni2 As1'
_cell_volume   67.71
_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  0.98  0.08  1.0
  Ni  Ni1  1  0.0  0.14  0.14  1.0
  Ni  Ni2  1  0.0  0.52  0.61  1.0
  As  As3  1  0.0  0.84  0.84  1.0

Y Ni Ni As