The crystal structure described by Yb2Zr8O19 is alpha bismuth trifluoride-derived structured and crystallizes in the tetragonal P-4m2 space group. Yb(1) is bonded in a 6-coordinate geometry to two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms. There are five inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a body-centered cubic geometry to two equivalent O(4), two equivalent O(5), two equivalent O(6), and two equivalent O(8) atoms. In the second Zr site, Zr(2) is bonded in a body-centered cubic geometry to two equivalent O(3), two equivalent O(4), two equivalent O(8), and two equivalent O(9) atoms. In the third Zr site, Zr(3) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(10), two equivalent O(3), and two equivalent O(9) atoms. In the fourth Zr site, Zr(4) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(10), two equivalent O(11), and two equivalent O(2) atoms. In the fifth Zr site, Zr(4) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(10), two equivalent O(11), and two equivalent O(2) atoms. There are eleven inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Zr(3) and two equivalent Zr(4) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the second O site, O(2) is bonded to four Zr(4,4) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the third O site, O(3) is bonded to two equivalent Zr(2) and two equivalent Zr(3) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Zr(1) and two equivalent Zr(2) atoms to form OZr4 tetrahedra that share corners with two equivalent O(6)Yb2Zr2 tetrahedra, corners with two equivalent O(9)Zr4 tetrahedra, corners with four equivalent O(5)Yb2Zr2 tetrahedra, corners with four equivalent O(3)Zr4 tetrahedra, corners with four equivalent O(4)Zr4 tetrahedra,  an edgeedge with one O(6)Yb2Zr2 tetrahedra,  an edgeedge with one O(9)Zr4 tetrahedra, and edges with four equivalent O(8)Zr4 tetrahedra. In the fifth O site, O(5) is bonded to two equivalent Yb(1) and two equivalent Zr(1) atoms to form OYb2Zr2 tetrahedra that share corners with two equivalent O(7)Yb4 tetrahedra, corners with two equivalent O(8)Zr4 tetrahedra, corners with four equivalent O(5)Yb2Zr2 tetrahedra, corners with four equivalent O(4)Zr4 tetrahedra,  an edgeedge with one O(7)Yb4 tetrahedra,  an edgeedge with one O(8)Zr4 tetrahedra, and edges with four equivalent O(6)Yb2Zr2 tetrahedra. In the sixth O site, O(6) is bonded to two equivalent Yb(1) and two equivalent Zr(1) atoms to form OYb2Zr2 tetrahedra that share corners with two equivalent O(4)Zr4 tetrahedra, corners with four equivalent O(6)Yb2Zr2 tetrahedra, corners with four equivalent O(7)Yb4 tetrahedra, corners with four equivalent O(8)Zr4 tetrahedra,  an edgeedge with one O(4)Zr4 tetrahedra, and edges with four equivalent O(5)Yb2Zr2 tetrahedra. In the seventh O site, O(7) is bonded to four equivalent Yb(1) atoms to form OYb4 tetrahedra that share corners with four equivalent O(5)Yb2Zr2 tetrahedra, corners with four equivalent O(7)Yb4 tetrahedra, corners with eight equivalent O(6)Yb2Zr2 tetrahedra, and edges with two equivalent O(5)Yb2Zr2 tetrahedra. In the eighth O site, O(8) is bonded to two equivalent Zr(1) and two equivalent Zr(2) atoms to form OZr4 tetrahedra that share corners with two equivalent O(5)Yb2Zr2 tetrahedra, corners with two equivalent O(3)Zr4 tetrahedra, corners with four equivalent O(6)Yb2Zr2 tetrahedra, corners with four equivalent O(8)Zr4 tetrahedra, corners with four equivalent O(9)Zr4 tetrahedra,  an edgeedge with one O(5)Yb2Zr2 tetrahedra,  an edgeedge with one O(3)Zr4 tetrahedra, and edges with four equivalent O(4)Zr4 tetrahedra. In the ninth O site, O(9) is bonded to two equivalent Zr(2) and two equivalent Zr(3) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the tenth O site, O(10) is bonded to two equivalent Zr(3) and two equivalent Zr(4) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the eleventh O site, O(11) is bonded to four Zr(4,4) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. is represented by the CIF card [CIF]
data_Yb2Zr8O19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.657
_cell_length_b   3.657
_cell_length_c   25.915
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   346.540
_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  0.000  0.500  0.946  1.0
  Yb  Yb1  1  0.500  0.000  0.054  1.0
  Zr  Zr2  1  0.000  0.500  0.149  1.0
  Zr  Zr3  1  0.500  0.000  0.249  1.0
  Zr  Zr4  1  0.000  0.500  0.349  1.0
  Zr  Zr5  1  0.500  0.000  0.449  1.0
  Zr  Zr6  1  0.000  0.500  0.551  1.0
  Zr  Zr7  1  0.500  0.000  0.651  1.0
  Zr  Zr8  1  0.000  0.500  0.751  1.0
  Zr  Zr9  1  0.500  0.000  0.851  1.0
  O  O10  1  0.500  0.500  0.401  1.0
  O  O11  1  0.000  0.000  0.500  1.0
  O  O12  1  0.500  0.500  0.599  1.0
  O  O13  1  0.000  0.000  0.698  1.0
  O  O14  1  0.500  0.500  0.798  1.0
  O  O15  1  0.000  0.000  0.894  1.0
  O  O16  1  0.500  0.500  0.898  1.0
  O  O17  1  0.000  0.000  0.000  1.0
  O  O18  1  0.000  0.000  0.106  1.0
  O  O19  1  0.500  0.500  0.102  1.0
  O  O20  1  0.500  0.500  0.202  1.0
  O  O21  1  0.000  0.000  0.201  1.0
  O  O22  1  0.000  0.000  0.302  1.0
  O  O23  1  0.500  0.500  0.301  1.0
  O  O24  1  0.000  0.000  0.399  1.0
  O  O25  1  0.500  0.500  0.500  1.0
  O  O26  1  0.000  0.000  0.601  1.0
  O  O27  1  0.500  0.500  0.699  1.0
  O  O28  1  0.000  0.000  0.799  1.0
[/CIF]
.
The crystal structure described by Yb2Zr8O19 is alpha bismuth trifluoride-derived structured and crystallizes in the tetragonal P-4m2 space group. Yb(1) is bonded in a 6-coordinate geometry to two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms. There are five inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a body-centered cubic geometry to two equivalent O(4), two equivalent O(5), two equivalent O(6), and two equivalent O(8) atoms. In the second Zr site, Zr(2) is bonded in a body-centered cubic geometry to two equivalent O(3), two equivalent O(4), two equivalent O(8), and two equivalent O(9) atoms. In the third Zr site, Zr(3) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(10), two equivalent O(3), and two equivalent O(9) atoms. In the fourth Zr site, Zr(4) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(10), two equivalent O(11), and two equivalent O(2) atoms. In the fifth Zr site, Zr(4) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(10), two equivalent O(11), and two equivalent O(2) atoms. There are eleven inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Zr(3) and two equivalent Zr(4) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the second O site, O(2) is bonded to four Zr(4,4) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the third O site, O(3) is bonded to two equivalent Zr(2) and two equivalent Zr(3) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Zr(1) and two equivalent Zr(2) atoms to form OZr4 tetrahedra that share corners with two equivalent O(6)Yb2Zr2 tetrahedra, corners with two equivalent O(9)Zr4 tetrahedra, corners with four equivalent O(5)Yb2Zr2 tetrahedra, corners with four equivalent O(3)Zr4 tetrahedra, corners with four equivalent O(4)Zr4 tetrahedra,  an edgeedge with one O(6)Yb2Zr2 tetrahedra,  an edgeedge with one O(9)Zr4 tetrahedra, and edges with four equivalent O(8)Zr4 tetrahedra. In the fifth O site, O(5) is bonded to two equivalent Yb(1) and two equivalent Zr(1) atoms to form OYb2Zr2 tetrahedra that share corners with two equivalent O(7)Yb4 tetrahedra, corners with two equivalent O(8)Zr4 tetrahedra, corners with four equivalent O(5)Yb2Zr2 tetrahedra, corners with four equivalent O(4)Zr4 tetrahedra,  an edgeedge with one O(7)Yb4 tetrahedra,  an edgeedge with one O(8)Zr4 tetrahedra, and edges with four equivalent O(6)Yb2Zr2 tetrahedra. In the sixth O site, O(6) is bonded to two equivalent Yb(1) and two equivalent Zr(1) atoms to form OYb2Zr2 tetrahedra that share corners with two equivalent O(4)Zr4 tetrahedra, corners with four equivalent O(6)Yb2Zr2 tetrahedra, corners with four equivalent O(7)Yb4 tetrahedra, corners with four equivalent O(8)Zr4 tetrahedra,  an edgeedge with one O(4)Zr4 tetrahedra, and edges with four equivalent O(5)Yb2Zr2 tetrahedra. In the seventh O site, O(7) is bonded to four equivalent Yb(1) atoms to form OYb4 tetrahedra that share corners with four equivalent O(5)Yb2Zr2 tetrahedra, corners with four equivalent O(7)Yb4 tetrahedra, corners with eight equivalent O(6)Yb2Zr2 tetrahedra, and edges with two equivalent O(5)Yb2Zr2 tetrahedra. In the eighth O site, O(8) is bonded to two equivalent Zr(1) and two equivalent Zr(2) atoms to form OZr4 tetrahedra that share corners with two equivalent O(5)Yb2Zr2 tetrahedra, corners with two equivalent O(3)Zr4 tetrahedra, corners with four equivalent O(6)Yb2Zr2 tetrahedra, corners with four equivalent O(8)Zr4 tetrahedra, corners with four equivalent O(9)Zr4 tetrahedra,  an edgeedge with one O(5)Yb2Zr2 tetrahedra,  an edgeedge with one O(3)Zr4 tetrahedra, and edges with four equivalent O(4)Zr4 tetrahedra. In the ninth O site, O(9) is bonded to two equivalent Zr(2) and two equivalent Zr(3) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the tenth O site, O(10) is bonded to two equivalent Zr(3) and two equivalent Zr(4) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. In the eleventh O site, O(11) is bonded to four Zr(4,4) atoms to form a mixture of edge and corner-sharing OZr4 tetrahedra. is represented by the CIF card [CIF]
data_Yb2Zr8O19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.657
_cell_length_b   3.657
_cell_length_c   25.915
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   346.540
_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  0.000  0.500  0.946  1.0
  Yb  Yb1  1  0.500  0.000  0.054  1.0
  Zr  Zr2  1  0.000  0.500  0.149  1.0
  Zr  Zr3  1  0.500  0.000  0.249  1.0
  Zr  Zr4  1  0.000  0.500  0.349  1.0
  Zr  Zr5  1  0.500  0.000  0.449  1.0
  Zr  Zr6  1  0.000  0.500  0.551  1.0
  Zr  Zr7  1  0.500  0.000  0.651  1.0
  Zr  Zr8  1  0.000  0.500  0.751  1.0
  Zr  Zr9  1  0.500  0.000  0.851  1.0
  O  O10  1  0.500  0.500  0.401  1.0
  O  O11  1  0.000  0.000  0.500  1.0
  O  O12  1  0.500  0.500  0.599  1.0
  O  O13  1  0.000  0.000  0.698  1.0
  O  O14  1  0.500  0.500  0.798  1.0
  O  O15  1  0.000  0.000  0.894  1.0
  O  O16  1  0.500  0.500  0.898  1.0
  O  O17  1  0.000  0.000  0.000  1.0
  O  O18  1  0.000  0.000  0.106  1.0
  O  O19  1  0.500  0.500  0.102  1.0
  O  O20  1  0.500  0.500  0.202  1.0
  O  O21  1  0.000  0.000  0.201  1.0
  O  O22  1  0.000  0.000  0.302  1.0
  O  O23  1  0.500  0.500  0.301  1.0
  O  O24  1  0.000  0.000  0.399  1.0
  O  O25  1  0.500  0.500  0.500  1.0
  O  O26  1  0.000  0.000  0.601  1.0
  O  O27  1  0.500  0.500  0.699  1.0
  O  O28  1  0.000  0.000  0.799  1.0
[/CIF]
.