data_Y2AlSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.18
_cell_length_b   6.18
_cell_length_c   6.18
_cell_angle_alpha   138.5
_cell_angle_beta   138.5
_cell_angle_gamma   60.14
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2AlSb
_chemical_formula_sum   'Y2 Al1 Sb1'
_cell_volume   102.71
_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  Y2  1  0.0  0.0  0.35  1.0
  Y  Y3  1  0.19  0.0  0.68  1.0
  Al  Al0  1  0.0  0.0  0.0  1.0
  Sb  Sb1  1  0.0  0.19  0.68  1.0

data_Y2AlSb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.38
_cell_length_b   4.38
_cell_length_c   6.18
_cell_angle_alpha   110.75
_cell_angle_beta   110.75
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2AlSb
_chemical_formula_sum   'Y2 Al1 Sb1'
_cell_volume   102.71
_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  0.32  0.0  0.52  1.0
  Y  Y1  1  0.65  0.0  0.65  1.0
  Al  Al2  1  0.0  0.0  0.0  1.0
  Sb  Sb3  1  0.52  0.19  0.52  1.0

Y Y Al Sb
Y Y Al Sb 0 3 o o o 0 1 o o o 0 2 o o o 1 3 o o o 
Y2AlSb crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one Y2AlSb cluster. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 2-coordinate geometry to one Al(1) and one Sb(1) atom. The Y(1)-Al(1) bond length is 2.17 Å. The Y(1)-Sb(1) bond length is 1.37 Å. In the second Y site, Y(2) is bonded in a single-bond geometry to one Sb(1) atom. The Y(2)-Sb(1) bond length is 1.18 Å. Al(1) is bonded in a distorted single-bond geometry to one Y(1) atom. Sb(1) is bonded in a 2-coordinate geometry to one Y(1) and one Y(2) atom.