The structure described by YZr5O11 crystallizes in the monoclinic Pm space group. Y(1) is bonded in a distorted hexagonal planar geometry to one O(1), one O(3), one O(4), one O(6), and two equivalent O(10) atoms. There are five inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(5), one O(6), two equivalent O(11), and two equivalent O(9) atoms. In the second Zr site, Zr(2) is bonded in a distorted body-centered cubic geometry to one O(2), one O(3), one O(4), one O(5), two equivalent O(7), and two equivalent O(8) atoms. In the third Zr site, Zr(3) is bonded in a 7-coordinate geometry to one O(11), one O(8), one O(9), two equivalent O(1), and two equivalent O(2) atoms. In the fourth Zr site, Zr(4) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(7), two equivalent O(3), and two equivalent O(6) atoms. In the fifth Zr site, Zr(5) is bonded in a distorted body-centered cubic geometry to one O(10), one O(7), one O(8), one O(9), two equivalent O(4), and two equivalent O(5) atoms. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Y(1), one Zr(1), and two equivalent Zr(3) atoms. In the second O site, O(2) is bonded to one Zr(1), one Zr(2), and two equivalent Zr(3) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(3)YZr3 tetrahedra,  a cornercorner with one O(4)YZr3 tetrahedra,  a cornercorner with one O(6)YZr3 tetrahedra, corners with two equivalent O(2)Zr4 tetrahedra, corners with two equivalent O(7)Zr4 tetrahedra, corners with four equivalent O(9)Zr4 tetrahedra,  an edgeedge with one O(5)Zr4 tetrahedra, edges with two equivalent O(11)Zr4 tetrahedra, and edges with two equivalent O(8)Zr4 tetrahedra. In the third O site, O(3) is bonded to one Y(1), one Zr(2), and two equivalent Zr(4) atoms to form distorted OYZr3 tetrahedra that share  a cornercorner with one O(2)Zr4 tetrahedra,  a cornercorner with one O(5)Zr4 tetrahedra, corners with two equivalent O(3)YZr3 tetrahedra, corners with two equivalent O(11)Zr4 tetrahedra, corners with two equivalent O(8)Zr4 tetrahedra, corners with three equivalent O(6)YZr3 tetrahedra, corners with four equivalent O(10)Y2Zr2 tetrahedra,  an edgeedge with one O(4)YZr3 tetrahedra,  an edgeedge with one O(6)YZr3 tetrahedra, and edges with two equivalent O(7)Zr4 tetrahedra. In the fourth O site, O(4) is bonded to one Y(1), one Zr(2), and two equivalent Zr(5) atoms to form OYZr3 tetrahedra that share  a cornercorner with one O(6)YZr3 tetrahedra,  a cornercorner with one O(2)Zr4 tetrahedra, corners with two equivalent O(4)YZr3 tetrahedra, corners with two equivalent O(9)Zr4 tetrahedra, corners with three equivalent O(5)Zr4 tetrahedra, corners with four equivalent O(7)Zr4 tetrahedra,  an edgeedge with one O(3)YZr3 tetrahedra,  an edgeedge with one O(5)Zr4 tetrahedra, edges with two equivalent O(10)Y2Zr2 tetrahedra, and edges with two equivalent O(8)Zr4 tetrahedra. In the fifth O site, O(5) is bonded to one Zr(1), one Zr(2), and two equivalent Zr(5) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(3)YZr3 tetrahedra,  a cornercorner with one O(6)YZr3 tetrahedra, corners with two equivalent O(10)Y2Zr2 tetrahedra, corners with two equivalent O(11)Zr4 tetrahedra, corners with two equivalent O(5)Zr4 tetrahedra, corners with three equivalent O(4)YZr3 tetrahedra, corners with four equivalent O(8)Zr4 tetrahedra,  an edgeedge with one O(4)YZr3 tetrahedra,  an edgeedge with one O(2)Zr4 tetrahedra, edges with two equivalent O(7)Zr4 tetrahedra, and edges with two equivalent O(9)Zr4 tetrahedra. In the sixth O site, O(6) is bonded to one Y(1), one Zr(1), and two equivalent Zr(4) atoms to form OYZr3 tetrahedra that share  a cornercorner with one O(4)YZr3 tetrahedra,  a cornercorner with one O(2)Zr4 tetrahedra,  a cornercorner with one O(5)Zr4 tetrahedra, corners with two equivalent O(6)YZr3 tetrahedra, corners with two equivalent O(7)Zr4 tetrahedra, corners with two equivalent O(9)Zr4 tetrahedra, corners with three equivalent O(3)YZr3 tetrahedra,  an edgeedge with one O(3)YZr3 tetrahedra, edges with two equivalent O(10)Y2Zr2 tetrahedra, and edges with two equivalent O(11)Zr4 tetrahedra. In the seventh O site, O(7) is bonded to one Zr(4), one Zr(5), and two equivalent Zr(2) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(11)Zr4 tetrahedra,  a cornercorner with one O(9)Zr4 tetrahedra, corners with two equivalent O(6)YZr3 tetrahedra, corners with two equivalent O(2)Zr4 tetrahedra, corners with two equivalent O(7)Zr4 tetrahedra, corners with three equivalent O(8)Zr4 tetrahedra, corners with four equivalent O(4)YZr3 tetrahedra,  an edgeedge with one O(10)Y2Zr2 tetrahedra,  an edgeedge with one O(8)Zr4 tetrahedra, edges with two equivalent O(3)YZr3 tetrahedra, and edges with two equivalent O(5)Zr4 tetrahedra. In the eighth O site, O(8) is bonded to one Zr(3), one Zr(5), and two equivalent Zr(2) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(10)Y2Zr2 tetrahedra,  a cornercorner with one O(11)Zr4 tetrahedra, corners with two equivalent O(3)YZr3 tetrahedra, corners with two equivalent O(8)Zr4 tetrahedra, corners with three equivalent O(7)Zr4 tetrahedra, corners with four equivalent O(5)Zr4 tetrahedra,  an edgeedge with one O(7)Zr4 tetrahedra,  an edgeedge with one O(9)Zr4 tetrahedra, edges with two equivalent O(4)YZr3 tetrahedra, and edges with two equivalent O(2)Zr4 tetrahedra. In the ninth O site, O(9) is bonded to one Zr(3), one Zr(5), and two equivalent Zr(1) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(10)Y2Zr2 tetrahedra,  a cornercorner with one O(7)Zr4 tetrahedra, corners with two equivalent O(4)YZr3 tetrahedra, corners with two equivalent O(6)YZr3 tetrahedra, corners with two equivalent O(9)Zr4 tetrahedra, corners with three equivalent O(11)Zr4 tetrahedra, corners with four equivalent O(2)Zr4 tetrahedra,  an edgeedge with one O(11)Zr4 tetrahedra,  an edgeedge with one O(8)Zr4 tetrahedra, and edges with two equivalent O(5)Zr4 tetrahedra. In the tenth O site, O(10) is bonded to two equivalent Y(1), one Zr(4), and one Zr(5) atom to form OY2Zr2 tetrahedra that share  a cornercorner with one O(11)Zr4 tetrahedra,  a cornercorner with one O(8)Zr4 tetrahedra,  a cornercorner with one O(9)Zr4 tetrahedra, corners with two equivalent O(10)Y2Zr2 tetrahedra, corners with two equivalent O(5)Zr4 tetrahedra, corners with four equivalent O(3)YZr3 tetrahedra,  an edgeedge with one O(7)Zr4 tetrahedra, edges with two equivalent O(4)YZr3 tetrahedra, and edges with two equivalent O(6)YZr3 tetrahedra. In the eleventh O site, O(11) is bonded to one Zr(3), one Zr(4), and two equivalent Zr(1) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(10)Y2Zr2 tetrahedra,  a cornercorner with one O(7)Zr4 tetrahedra,  a cornercorner with one O(8)Zr4 tetrahedra, corners with two equivalent O(3)YZr3 tetrahedra, corners with two equivalent O(11)Zr4 tetrahedra, corners with two equivalent O(5)Zr4 tetrahedra, corners with three equivalent O(9)Zr4 tetrahedra,  an edgeedge with one O(9)Zr4 tetrahedra, edges with two equivalent O(6)YZr3 tetrahedra, and edges with two equivalent O(2)Zr4 tetrahedra. is represented by the CIF card [CIF]
data_YZr5O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.578
_cell_length_b   6.571
_cell_length_c   9.077
_cell_angle_alpha   89.739
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   213.380
_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  0.500  0.832  0.334  1.0
  Zr  Zr1  1  0.500  0.184  0.668  1.0
  Zr  Zr2  1  0.500  0.506  0.005  1.0
  Zr  Zr3  1  0.000  0.666  0.671  1.0
  Zr  Zr4  1  0.000  0.316  0.333  1.0
  Zr  Zr5  1  0.000  0.991  0.999  1.0
  O  O6  1  0.500  0.775  0.585  1.0
  O  O7  1  0.500  0.464  0.774  1.0
  O  O8  1  0.500  0.479  0.281  1.0
  O  O9  1  0.500  0.795  0.088  1.0
  O  O10  1  0.500  0.131  0.932  1.0
  O  O11  1  0.500  0.144  0.440  1.0
  O  O12  1  0.000  0.370  0.076  1.0
  O  O13  1  0.000  0.702  0.898  1.0
  O  O14  1  0.000  0.034  0.723  1.0
  O  O15  1  0.000  0.026  0.232  1.0
  O  O16  1  0.000  0.388  0.561  1.0
[/CIF]
.
The structure described by YZr5O11 crystallizes in the monoclinic Pm space group. Y(1) is bonded in a distorted hexagonal planar geometry to one O(1), one O(3), one O(4), one O(6), and two equivalent O(10) atoms. There are five inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(5), one O(6), two equivalent O(11), and two equivalent O(9) atoms. In the second Zr site, Zr(2) is bonded in a distorted body-centered cubic geometry to one O(2), one O(3), one O(4), one O(5), two equivalent O(7), and two equivalent O(8) atoms. In the third Zr site, Zr(3) is bonded in a 7-coordinate geometry to one O(11), one O(8), one O(9), two equivalent O(1), and two equivalent O(2) atoms. In the fourth Zr site, Zr(4) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(7), two equivalent O(3), and two equivalent O(6) atoms. In the fifth Zr site, Zr(5) is bonded in a distorted body-centered cubic geometry to one O(10), one O(7), one O(8), one O(9), two equivalent O(4), and two equivalent O(5) atoms. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Y(1), one Zr(1), and two equivalent Zr(3) atoms. In the second O site, O(2) is bonded to one Zr(1), one Zr(2), and two equivalent Zr(3) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(3)YZr3 tetrahedra,  a cornercorner with one O(4)YZr3 tetrahedra,  a cornercorner with one O(6)YZr3 tetrahedra, corners with two equivalent O(2)Zr4 tetrahedra, corners with two equivalent O(7)Zr4 tetrahedra, corners with four equivalent O(9)Zr4 tetrahedra,  an edgeedge with one O(5)Zr4 tetrahedra, edges with two equivalent O(11)Zr4 tetrahedra, and edges with two equivalent O(8)Zr4 tetrahedra. In the third O site, O(3) is bonded to one Y(1), one Zr(2), and two equivalent Zr(4) atoms to form distorted OYZr3 tetrahedra that share  a cornercorner with one O(2)Zr4 tetrahedra,  a cornercorner with one O(5)Zr4 tetrahedra, corners with two equivalent O(3)YZr3 tetrahedra, corners with two equivalent O(11)Zr4 tetrahedra, corners with two equivalent O(8)Zr4 tetrahedra, corners with three equivalent O(6)YZr3 tetrahedra, corners with four equivalent O(10)Y2Zr2 tetrahedra,  an edgeedge with one O(4)YZr3 tetrahedra,  an edgeedge with one O(6)YZr3 tetrahedra, and edges with two equivalent O(7)Zr4 tetrahedra. In the fourth O site, O(4) is bonded to one Y(1), one Zr(2), and two equivalent Zr(5) atoms to form OYZr3 tetrahedra that share  a cornercorner with one O(6)YZr3 tetrahedra,  a cornercorner with one O(2)Zr4 tetrahedra, corners with two equivalent O(4)YZr3 tetrahedra, corners with two equivalent O(9)Zr4 tetrahedra, corners with three equivalent O(5)Zr4 tetrahedra, corners with four equivalent O(7)Zr4 tetrahedra,  an edgeedge with one O(3)YZr3 tetrahedra,  an edgeedge with one O(5)Zr4 tetrahedra, edges with two equivalent O(10)Y2Zr2 tetrahedra, and edges with two equivalent O(8)Zr4 tetrahedra. In the fifth O site, O(5) is bonded to one Zr(1), one Zr(2), and two equivalent Zr(5) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(3)YZr3 tetrahedra,  a cornercorner with one O(6)YZr3 tetrahedra, corners with two equivalent O(10)Y2Zr2 tetrahedra, corners with two equivalent O(11)Zr4 tetrahedra, corners with two equivalent O(5)Zr4 tetrahedra, corners with three equivalent O(4)YZr3 tetrahedra, corners with four equivalent O(8)Zr4 tetrahedra,  an edgeedge with one O(4)YZr3 tetrahedra,  an edgeedge with one O(2)Zr4 tetrahedra, edges with two equivalent O(7)Zr4 tetrahedra, and edges with two equivalent O(9)Zr4 tetrahedra. In the sixth O site, O(6) is bonded to one Y(1), one Zr(1), and two equivalent Zr(4) atoms to form OYZr3 tetrahedra that share  a cornercorner with one O(4)YZr3 tetrahedra,  a cornercorner with one O(2)Zr4 tetrahedra,  a cornercorner with one O(5)Zr4 tetrahedra, corners with two equivalent O(6)YZr3 tetrahedra, corners with two equivalent O(7)Zr4 tetrahedra, corners with two equivalent O(9)Zr4 tetrahedra, corners with three equivalent O(3)YZr3 tetrahedra,  an edgeedge with one O(3)YZr3 tetrahedra, edges with two equivalent O(10)Y2Zr2 tetrahedra, and edges with two equivalent O(11)Zr4 tetrahedra. In the seventh O site, O(7) is bonded to one Zr(4), one Zr(5), and two equivalent Zr(2) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(11)Zr4 tetrahedra,  a cornercorner with one O(9)Zr4 tetrahedra, corners with two equivalent O(6)YZr3 tetrahedra, corners with two equivalent O(2)Zr4 tetrahedra, corners with two equivalent O(7)Zr4 tetrahedra, corners with three equivalent O(8)Zr4 tetrahedra, corners with four equivalent O(4)YZr3 tetrahedra,  an edgeedge with one O(10)Y2Zr2 tetrahedra,  an edgeedge with one O(8)Zr4 tetrahedra, edges with two equivalent O(3)YZr3 tetrahedra, and edges with two equivalent O(5)Zr4 tetrahedra. In the eighth O site, O(8) is bonded to one Zr(3), one Zr(5), and two equivalent Zr(2) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(10)Y2Zr2 tetrahedra,  a cornercorner with one O(11)Zr4 tetrahedra, corners with two equivalent O(3)YZr3 tetrahedra, corners with two equivalent O(8)Zr4 tetrahedra, corners with three equivalent O(7)Zr4 tetrahedra, corners with four equivalent O(5)Zr4 tetrahedra,  an edgeedge with one O(7)Zr4 tetrahedra,  an edgeedge with one O(9)Zr4 tetrahedra, edges with two equivalent O(4)YZr3 tetrahedra, and edges with two equivalent O(2)Zr4 tetrahedra. In the ninth O site, O(9) is bonded to one Zr(3), one Zr(5), and two equivalent Zr(1) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(10)Y2Zr2 tetrahedra,  a cornercorner with one O(7)Zr4 tetrahedra, corners with two equivalent O(4)YZr3 tetrahedra, corners with two equivalent O(6)YZr3 tetrahedra, corners with two equivalent O(9)Zr4 tetrahedra, corners with three equivalent O(11)Zr4 tetrahedra, corners with four equivalent O(2)Zr4 tetrahedra,  an edgeedge with one O(11)Zr4 tetrahedra,  an edgeedge with one O(8)Zr4 tetrahedra, and edges with two equivalent O(5)Zr4 tetrahedra. In the tenth O site, O(10) is bonded to two equivalent Y(1), one Zr(4), and one Zr(5) atom to form OY2Zr2 tetrahedra that share  a cornercorner with one O(11)Zr4 tetrahedra,  a cornercorner with one O(8)Zr4 tetrahedra,  a cornercorner with one O(9)Zr4 tetrahedra, corners with two equivalent O(10)Y2Zr2 tetrahedra, corners with two equivalent O(5)Zr4 tetrahedra, corners with four equivalent O(3)YZr3 tetrahedra,  an edgeedge with one O(7)Zr4 tetrahedra, edges with two equivalent O(4)YZr3 tetrahedra, and edges with two equivalent O(6)YZr3 tetrahedra. In the eleventh O site, O(11) is bonded to one Zr(3), one Zr(4), and two equivalent Zr(1) atoms to form distorted OZr4 tetrahedra that share  a cornercorner with one O(10)Y2Zr2 tetrahedra,  a cornercorner with one O(7)Zr4 tetrahedra,  a cornercorner with one O(8)Zr4 tetrahedra, corners with two equivalent O(3)YZr3 tetrahedra, corners with two equivalent O(11)Zr4 tetrahedra, corners with two equivalent O(5)Zr4 tetrahedra, corners with three equivalent O(9)Zr4 tetrahedra,  an edgeedge with one O(9)Zr4 tetrahedra, edges with two equivalent O(6)YZr3 tetrahedra, and edges with two equivalent O(2)Zr4 tetrahedra. is represented by the CIF card [CIF]
data_YZr5O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.578
_cell_length_b   6.571
_cell_length_c   9.077
_cell_angle_alpha   89.739
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   213.380
_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  0.500  0.832  0.334  1.0
  Zr  Zr1  1  0.500  0.184  0.668  1.0
  Zr  Zr2  1  0.500  0.506  0.005  1.0
  Zr  Zr3  1  0.000  0.666  0.671  1.0
  Zr  Zr4  1  0.000  0.316  0.333  1.0
  Zr  Zr5  1  0.000  0.991  0.999  1.0
  O  O6  1  0.500  0.775  0.585  1.0
  O  O7  1  0.500  0.464  0.774  1.0
  O  O8  1  0.500  0.479  0.281  1.0
  O  O9  1  0.500  0.795  0.088  1.0
  O  O10  1  0.500  0.131  0.932  1.0
  O  O11  1  0.500  0.144  0.440  1.0
  O  O12  1  0.000  0.370  0.076  1.0
  O  O13  1  0.000  0.702  0.898  1.0
  O  O14  1  0.000  0.034  0.723  1.0
  O  O15  1  0.000  0.026  0.232  1.0
  O  O16  1  0.000  0.388  0.561  1.0
[/CIF]
.