The material structure described by Yb4Y crystallizes in the trigonal R-3m space group. There are six inequivalent Yb sites. In the first Yb site, Yb(1) is bonded to three equivalent Yb(2), six equivalent Yb(1), and three equivalent Y(1) atoms to form YbYb9Y3 cuboctahedra that share corners with three equivalent Yb(2)Yb12 cuboctahedra; corners with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with six equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine Yb(2,2)Yb12 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; faces with six equivalent Yb(2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with six equivalent Y(1)Yb6Y6 cuboctahedra. In the second Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. In the third Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. In the fourth Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. In the fifth Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. In the sixth Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. Y(1) is bonded to six equivalent Yb(1) and six equivalent Y(1) atoms to form YYb6Y6 cuboctahedra that share corners with six Yb(2,2)Yb12 cuboctahedra; corners with six equivalent Y(1)Yb6Y6 cuboctahedra; edges with six Yb(2,2)Yb12 cuboctahedra; edges with six equivalent Y(1)Yb6Y6 cuboctahedra; edges with twelve equivalent Yb(1)Yb9Y3 cuboctahedra; faces with six equivalent Y(1)Yb6Y6 cuboctahedra; and faces with twelve equivalent Yb(1)Yb9Y3 cuboctahedra. is represented by the CIF file [CIF]
data_Yb4Y
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   15.753
_cell_length_b   15.753
_cell_length_c   15.753
_cell_angle_alpha   13.679
_cell_angle_beta   13.679
_cell_angle_gamma   13.679
_symmetry_Int_Tables_number   1
_cell_volume   190.232
_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
  Yb  Yb0  1  0.603  0.603  0.603  1.0
  Yb  Yb1  1  0.200  0.200  0.200  1.0
  Yb  Yb2  1  0.800  0.800  0.800  1.0
  Yb  Yb3  1  0.397  0.397  0.397  1.0
  Y  Y4  1  0.000  0.000  0.000  1.0
[/CIF]
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The material structure described by Yb4Y crystallizes in the trigonal R-3m space group. There are six inequivalent Yb sites. In the first Yb site, Yb(1) is bonded to three equivalent Yb(2), six equivalent Yb(1), and three equivalent Y(1) atoms to form YbYb9Y3 cuboctahedra that share corners with three equivalent Yb(2)Yb12 cuboctahedra; corners with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with six equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine Yb(2,2)Yb12 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; faces with six equivalent Yb(2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with six equivalent Y(1)Yb6Y6 cuboctahedra. In the second Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. In the third Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. In the fourth Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. In the fifth Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. In the sixth Yb site, Yb(2) is bonded to three equivalent Yb(1) and nine Yb(2,2) atoms to form YbYb12 cuboctahedra that share corners with three equivalent Yb(1)Yb9Y3 cuboctahedra; corners with three equivalent Y(1)Yb6Y6 cuboctahedra; corners with six equivalent Yb(2)Yb12 cuboctahedra; edges with three equivalent Y(1)Yb6Y6 cuboctahedra; edges with nine equivalent Yb(1)Yb9Y3 cuboctahedra; edges with twelve Yb(2,2)Yb12 cuboctahedra; faces with six equivalent Yb(1)Yb9Y3 cuboctahedra; and faces with twelve Yb(2,2)Yb12 cuboctahedra. Y(1) is bonded to six equivalent Yb(1) and six equivalent Y(1) atoms to form YYb6Y6 cuboctahedra that share corners with six Yb(2,2)Yb12 cuboctahedra; corners with six equivalent Y(1)Yb6Y6 cuboctahedra; edges with six Yb(2,2)Yb12 cuboctahedra; edges with six equivalent Y(1)Yb6Y6 cuboctahedra; edges with twelve equivalent Yb(1)Yb9Y3 cuboctahedra; faces with six equivalent Y(1)Yb6Y6 cuboctahedra; and faces with twelve equivalent Yb(1)Yb9Y3 cuboctahedra. is represented by the CIF file [CIF]
data_Yb4Y
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   15.753
_cell_length_b   15.753
_cell_length_c   15.753
_cell_angle_alpha   13.679
_cell_angle_beta   13.679
_cell_angle_gamma   13.679
_symmetry_Int_Tables_number   1
_cell_volume   190.232
_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
  Yb  Yb0  1  0.603  0.603  0.603  1.0
  Yb  Yb1  1  0.200  0.200  0.200  1.0
  Yb  Yb2  1  0.800  0.800  0.800  1.0
  Yb  Yb3  1  0.397  0.397  0.397  1.0
  Y  Y4  1  0.000  0.000  0.000  1.0
[/CIF]
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