data_NaYBiAu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.24
_cell_length_b   5.24
_cell_length_c   5.24
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaYBiAu
_chemical_formula_sum   'Na1 Y1 Bi1 Au1'
_cell_volume   101.76
_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
  Na  Na2  1  0.0  0.0  0.0  1.0
  Y  Y3  1  0.85  0.85  0.85  1.0
  Bi  Bi1  1  0.71  0.71  0.71  1.0
  Au  Au0  1  0.56  0.56  0.56  1.0

data_NaYBiAu
_symmetry_space_group_name_H-M   R3m
_cell_length_a   5.24
_cell_length_b   5.24
_cell_length_c   12.84
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   NaYBiAu
_chemical_formula_sum   'Na3 Y3 Bi3 Au3'
_cell_volume   305.29
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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
  Na  Na0  3  0.0  0.0  0.0  1.0
  Y  Y1  3  0.0  0.0  0.15  1.0
  Bi  Bi2  3  0.0  0.0  0.29  1.0
  Au  Au3  3  0.0  0.0  0.44  1.0

Na Y Bi Au
NaYAuBi crystallizes in the trigonal R3m space group. Na(1) is bonded in a 4-coordinate geometry to one Y(1) and three equivalent Bi(1) atoms. The Na(1)-Y(1) bond length is 1.89 Å. All Na(1)-Bi(1) bond lengths are 3.07 Å. Y(1) is bonded in a 5-coordinate geometry to one Na(1), three equivalent Au(1), and one Bi(1) atom. All Y(1)-Au(1) bond lengths are 3.07 Å. The Y(1)-Bi(1) bond length is 1.89 Å. Au(1) is bonded in a distorted single-bond geometry to three equivalent Y(1) and one Bi(1) atom. The Au(1)-Bi(1) bond length is 1.89 Å. Bi(1) is bonded in a distorted linear geometry to three equivalent Na(1), one Y(1), and one Au(1) atom.