data_Y
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.7
_cell_length_b   4.7
_cell_length_c   4.7
_cell_angle_alpha   97.61
_cell_angle_beta   97.61
_cell_angle_gamma   137.31
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y
_chemical_formula_sum   Y2
_cell_volume   65.48
_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  0.0  0.09  0.85  1.0
  Y  Y1  1  0.0  0.0  0.0  1.0

data_Y
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.42
_cell_length_b   4.7
_cell_length_c   4.7
_cell_angle_alpha   82.39
_cell_angle_beta   68.66
_cell_angle_gamma   68.66
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Y
_chemical_formula_sum   Y2
_cell_volume   65.48
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.05  0.45  0.07  1.0

Y Y
Y Y 0 1 o o + 
Y crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one yttrium molecule. Y(1) is bonded in a single-bond geometry to one Y(1) atom. The Y(1)-Y(1) bond length is 0.86 Å.