The crystal structure described by YbV8O16 crystallizes in the monoclinic Pm space group. Yb(1) is bonded to one O(14), one O(15), one O(9), and two equivalent O(7) atoms to form distorted YbO5 trigonal bipyramids that share corners with two equivalent V(4)O6 octahedra,  a cornercorner with one V(8)O5 trigonal bipyramid, and corners with two equivalent Yb(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 63°. There are eight inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(1), one O(5), one O(8), and two equivalent O(11) atoms. In the second V site, V(2) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(4), two equivalent O(10), and two equivalent O(9) atoms. In the third V site, V(3) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(6), one O(7), and two equivalent O(14) atoms. In the fourth V site, V(4) is bonded to one O(2), one O(6), one O(7), one O(8), and two equivalent O(13) atoms to form distorted VO6 octahedra that share corners with two equivalent V(4)O6 octahedra and corners with two equivalent Yb(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 25°. In the fifth V site, V(5) is bonded in a 4-coordinate geometry to one O(12), one O(15), and two equivalent O(8) atoms. In the sixth V site, V(6) is bonded in a 5-coordinate geometry to one O(10), one O(12), one O(13), and two equivalent O(6) atoms. In the seventh V site, V(7) is bonded in a 5-coordinate geometry to one O(10), one O(14), one O(16), and two equivalent O(4) atoms. In the eighth V site, V(8) is bonded to one O(11), one O(16), one O(9), and two equivalent O(1) atoms to form distorted VO5 trigonal bipyramids that share  a cornercorner with one Yb(1)O5 trigonal bipyramid and corners with two equivalent V(8)O5 trigonal bipyramids. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one V(1), one V(2), and two equivalent V(8) atoms. In the second O site, O(2) is bonded in a linear geometry to one V(2) and one V(4) atom. In the third O site, O(3) is bonded in a single-bond geometry to one V(3) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one V(2), one V(3), and two equivalent V(7) atoms. In the fifth O site, O(5) is bonded in a single-bond geometry to one V(1) atom. In the sixth O site, O(6) is bonded to one V(3), one V(4), and two equivalent V(6) atoms to form OV4 trigonal pyramids that share  a cornercorner with one O(8)V4 tetrahedra, corners with two equivalent O(6)V4 trigonal pyramids, corners with two equivalent O(14)YbV3 trigonal pyramids, and  an edgeedge with one O(7)Yb2V2 trigonal pyramid. In the seventh O site, O(7) is bonded to two equivalent Yb(1), one V(3), and one V(4) atom to form OYb2V2 trigonal pyramids that share  a cornercorner with one O(8)V4 tetrahedra, corners with two equivalent O(9)YbV3 tetrahedra, corners with two equivalent O(7)Yb2V2 trigonal pyramids,  an edgeedge with one O(6)V4 trigonal pyramid, and edges with two equivalent O(14)YbV3 trigonal pyramids. In the eighth O site, O(8) is bonded to one V(1), one V(4), and two equivalent V(5) atoms to form OV4 tetrahedra that share corners with two equivalent O(8)V4 tetrahedra,  a cornercorner with one O(6)V4 trigonal pyramid, and  a cornercorner with one O(7)Yb2V2 trigonal pyramid. In the ninth O site, O(9) is bonded to one Yb(1), one V(8), and two equivalent V(2) atoms to form OYbV3 tetrahedra that share corners with two equivalent O(9)YbV3 tetrahedra,  a cornercorner with one O(14)YbV3 trigonal pyramid, and corners with two equivalent O(7)Yb2V2 trigonal pyramids. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one V(6), one V(7), and two equivalent V(2) atoms. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one V(8) and two equivalent V(1) atoms. In the twelfth O site, O(12) is bonded in a linear geometry to one V(5) and one V(6) atom. In the thirteenth O site, O(13) is bonded in a distorted T-shaped geometry to one V(6) and two equivalent V(4) atoms. In the fourteenth O site, O(14) is bonded to one Yb(1), one V(7), and two equivalent V(3) atoms to form distorted OYbV3 trigonal pyramids that share  a cornercorner with one O(9)YbV3 tetrahedra, corners with two equivalent O(6)V4 trigonal pyramids, corners with two equivalent O(14)YbV3 trigonal pyramids, and edges with two equivalent O(7)Yb2V2 trigonal pyramids. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Yb(1) and one V(5) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one V(7) and one V(8) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_YbV8O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.730
_cell_length_b   9.449
_cell_length_c   8.549
_cell_angle_alpha   84.534
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   299.916
_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  0.750  0.729  0.742  1.0
  V  V1  1  0.250  0.212  0.094  1.0
  V  V2  1  0.250  0.044  0.698  1.0
  V  V3  1  0.250  0.657  0.449  1.0
  V  V4  1  0.250  0.425  0.739  1.0
  V  V5  1  0.750  0.486  0.067  1.0
  V  V6  1  0.750  0.339  0.479  1.0
  V  V7  1  0.750  0.961  0.422  1.0
  V  V8  1  0.750  0.995  0.013  1.0
  O  O9  1  0.250  0.039  0.974  1.0
  O  O10  1  0.250  0.238  0.734  1.0
  O  O11  1  0.250  0.672  0.258  1.0
  O  O12  1  0.250  0.905  0.524  1.0
  O  O13  1  0.250  0.155  0.286  1.0
  O  O14  1  0.250  0.457  0.487  1.0
  O  O15  1  0.250  0.625  0.707  1.0
  O  O16  1  0.250  0.417  0.991  1.0
  O  O17  1  0.750  0.955  0.794  1.0
  O  O18  1  0.750  0.129  0.540  1.0
  O  O19  1  0.750  0.198  0.032  1.0
  O  O20  1  0.750  0.405  0.263  1.0
  O  O21  1  0.750  0.429  0.689  1.0
  O  O22  1  0.750  0.710  0.473  1.0
  O  O23  1  0.750  0.658  0.997  1.0
  O  O24  1  0.750  0.919  0.206  1.0
[/CIF]
.
The crystal structure described by YbV8O16 crystallizes in the monoclinic Pm space group. Yb(1) is bonded to one O(14), one O(15), one O(9), and two equivalent O(7) atoms to form distorted YbO5 trigonal bipyramids that share corners with two equivalent V(4)O6 octahedra,  a cornercorner with one V(8)O5 trigonal bipyramid, and corners with two equivalent Yb(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 63°. There are eight inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(1), one O(5), one O(8), and two equivalent O(11) atoms. In the second V site, V(2) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(4), two equivalent O(10), and two equivalent O(9) atoms. In the third V site, V(3) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(6), one O(7), and two equivalent O(14) atoms. In the fourth V site, V(4) is bonded to one O(2), one O(6), one O(7), one O(8), and two equivalent O(13) atoms to form distorted VO6 octahedra that share corners with two equivalent V(4)O6 octahedra and corners with two equivalent Yb(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 25°. In the fifth V site, V(5) is bonded in a 4-coordinate geometry to one O(12), one O(15), and two equivalent O(8) atoms. In the sixth V site, V(6) is bonded in a 5-coordinate geometry to one O(10), one O(12), one O(13), and two equivalent O(6) atoms. In the seventh V site, V(7) is bonded in a 5-coordinate geometry to one O(10), one O(14), one O(16), and two equivalent O(4) atoms. In the eighth V site, V(8) is bonded to one O(11), one O(16), one O(9), and two equivalent O(1) atoms to form distorted VO5 trigonal bipyramids that share  a cornercorner with one Yb(1)O5 trigonal bipyramid and corners with two equivalent V(8)O5 trigonal bipyramids. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one V(1), one V(2), and two equivalent V(8) atoms. In the second O site, O(2) is bonded in a linear geometry to one V(2) and one V(4) atom. In the third O site, O(3) is bonded in a single-bond geometry to one V(3) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one V(2), one V(3), and two equivalent V(7) atoms. In the fifth O site, O(5) is bonded in a single-bond geometry to one V(1) atom. In the sixth O site, O(6) is bonded to one V(3), one V(4), and two equivalent V(6) atoms to form OV4 trigonal pyramids that share  a cornercorner with one O(8)V4 tetrahedra, corners with two equivalent O(6)V4 trigonal pyramids, corners with two equivalent O(14)YbV3 trigonal pyramids, and  an edgeedge with one O(7)Yb2V2 trigonal pyramid. In the seventh O site, O(7) is bonded to two equivalent Yb(1), one V(3), and one V(4) atom to form OYb2V2 trigonal pyramids that share  a cornercorner with one O(8)V4 tetrahedra, corners with two equivalent O(9)YbV3 tetrahedra, corners with two equivalent O(7)Yb2V2 trigonal pyramids,  an edgeedge with one O(6)V4 trigonal pyramid, and edges with two equivalent O(14)YbV3 trigonal pyramids. In the eighth O site, O(8) is bonded to one V(1), one V(4), and two equivalent V(5) atoms to form OV4 tetrahedra that share corners with two equivalent O(8)V4 tetrahedra,  a cornercorner with one O(6)V4 trigonal pyramid, and  a cornercorner with one O(7)Yb2V2 trigonal pyramid. In the ninth O site, O(9) is bonded to one Yb(1), one V(8), and two equivalent V(2) atoms to form OYbV3 tetrahedra that share corners with two equivalent O(9)YbV3 tetrahedra,  a cornercorner with one O(14)YbV3 trigonal pyramid, and corners with two equivalent O(7)Yb2V2 trigonal pyramids. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one V(6), one V(7), and two equivalent V(2) atoms. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one V(8) and two equivalent V(1) atoms. In the twelfth O site, O(12) is bonded in a linear geometry to one V(5) and one V(6) atom. In the thirteenth O site, O(13) is bonded in a distorted T-shaped geometry to one V(6) and two equivalent V(4) atoms. In the fourteenth O site, O(14) is bonded to one Yb(1), one V(7), and two equivalent V(3) atoms to form distorted OYbV3 trigonal pyramids that share  a cornercorner with one O(9)YbV3 tetrahedra, corners with two equivalent O(6)V4 trigonal pyramids, corners with two equivalent O(14)YbV3 trigonal pyramids, and edges with two equivalent O(7)Yb2V2 trigonal pyramids. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Yb(1) and one V(5) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one V(7) and one V(8) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_YbV8O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.730
_cell_length_b   9.449
_cell_length_c   8.549
_cell_angle_alpha   84.534
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   299.916
_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  0.750  0.729  0.742  1.0
  V  V1  1  0.250  0.212  0.094  1.0
  V  V2  1  0.250  0.044  0.698  1.0
  V  V3  1  0.250  0.657  0.449  1.0
  V  V4  1  0.250  0.425  0.739  1.0
  V  V5  1  0.750  0.486  0.067  1.0
  V  V6  1  0.750  0.339  0.479  1.0
  V  V7  1  0.750  0.961  0.422  1.0
  V  V8  1  0.750  0.995  0.013  1.0
  O  O9  1  0.250  0.039  0.974  1.0
  O  O10  1  0.250  0.238  0.734  1.0
  O  O11  1  0.250  0.672  0.258  1.0
  O  O12  1  0.250  0.905  0.524  1.0
  O  O13  1  0.250  0.155  0.286  1.0
  O  O14  1  0.250  0.457  0.487  1.0
  O  O15  1  0.250  0.625  0.707  1.0
  O  O16  1  0.250  0.417  0.991  1.0
  O  O17  1  0.750  0.955  0.794  1.0
  O  O18  1  0.750  0.129  0.540  1.0
  O  O19  1  0.750  0.198  0.032  1.0
  O  O20  1  0.750  0.405  0.263  1.0
  O  O21  1  0.750  0.429  0.689  1.0
  O  O22  1  0.750  0.710  0.473  1.0
  O  O23  1  0.750  0.658  0.997  1.0
  O  O24  1  0.750  0.919  0.206  1.0
[/CIF]
.