The compound described by U4ZrO10 is Fluorite-derived structured and crystallizes in the monoclinic C2/m space group. There are five inequivalent U sites. In the first U site, U(1) is bonded in a body-centered cubic geometry to two equivalent O(2), two equivalent O(5), and four equivalent O(1) atoms. In the second U site, U(2) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(3), and four equivalent O(5) atoms. In the third U site, U(3) is bonded in a body-centered cubic geometry to one O(4), one O(6), one O(9), two equivalent O(10), and three equivalent O(7) atoms. In the fourth U site, U(4) is bonded in a body-centered cubic geometry to one O(10), one O(2), one O(5), one O(8), two equivalent O(3), and two equivalent O(4) atoms. In the fifth U site, U(5) is bonded in a body-centered cubic geometry to one O(10), one O(7), one O(8), two equivalent O(6), and three equivalent O(9) atoms. Zr(1) is bonded in a body-centered cubic geometry to one O(1), one O(3), one O(4), one O(6), two equivalent O(2), and two equivalent O(8) atoms. There are ten inequivalent O sites. In the first O site, O(9) is bonded to one U(3) and three equivalent U(5) atoms to form OU4 tetrahedra that share  a cornercorner with one O(10)U4 tetrahedra,  a cornercorner with one O(4)ZrU3 tetrahedra, corners with two equivalent O(9)U4 tetrahedra, corners with three equivalent O(8)Zr2U2 tetrahedra, corners with four equivalent O(7)U4 tetrahedra, corners with five equivalent O(6)ZrU3 tetrahedra,  an edgeedge with one O(7)U4 tetrahedra,  an edgeedge with one O(6)ZrU3 tetrahedra, edges with two equivalent O(10)U4 tetrahedra, and edges with two equivalent O(9)U4 tetrahedra. In the second O site, O(10) is bonded to one U(4), one U(5), and two equivalent U(3) atoms to form OU4 tetrahedra that share  a cornercorner with one O(5)U4 tetrahedra,  a cornercorner with one O(9)U4 tetrahedra,  a cornercorner with one O(2)Zr2U2 tetrahedra, corners with two equivalent O(10)U4 tetrahedra, corners with two equivalent O(3)ZrU3 tetrahedra, corners with four equivalent O(6)ZrU3 tetrahedra, corners with five equivalent O(7)U4 tetrahedra,  an edgeedge with one O(7)U4 tetrahedra,  an edgeedge with one O(8)Zr2U2 tetrahedra, edges with two equivalent O(9)U4 tetrahedra, and edges with two equivalent O(4)ZrU3 tetrahedra. In the third O site, O(1) is bonded to one U(2), two equivalent U(1), and one Zr(1) atom to form OZrU3 tetrahedra that share  a cornercorner with one O(3)ZrU3 tetrahedra,  a cornercorner with one O(4)ZrU3 tetrahedra,  a cornercorner with one O(6)ZrU3 tetrahedra, corners with two equivalent O(2)Zr2U2 tetrahedra, corners with two equivalent O(8)Zr2U2 tetrahedra, corners with four equivalent O(5)U4 tetrahedra, corners with five equivalent O(1)ZrU3 tetrahedra,  an edgeedge with one O(1)ZrU3 tetrahedra,  an edgeedge with one O(3)ZrU3 tetrahedra, edges with two equivalent O(5)U4 tetrahedra, and edges with two equivalent O(2)Zr2U2 tetrahedra. In the fourth O site, O(2) is bonded to one U(1), one U(4), and two equivalent Zr(1) atoms to form OZr2U2 tetrahedra that share  a cornercorner with one O(10)U4 tetrahedra,  a cornercorner with one O(5)U4 tetrahedra, corners with two equivalent O(1)ZrU3 tetrahedra, corners with two equivalent O(6)ZrU3 tetrahedra, corners with three equivalent O(2)Zr2U2 tetrahedra, corners with three equivalent O(8)Zr2U2 tetrahedra, corners with four equivalent O(3)ZrU3 tetrahedra,  an edgeedge with one O(5)U4 tetrahedra,  an edgeedge with one O(8)Zr2U2 tetrahedra, edges with two equivalent O(1)ZrU3 tetrahedra, and edges with two equivalent O(4)ZrU3 tetrahedra. In the fifth O site, O(3) is bonded to one U(2), two equivalent U(4), and one Zr(1) atom to form OZrU3 tetrahedra that share  a cornercorner with one O(1)ZrU3 tetrahedra,  a cornercorner with one O(6)ZrU3 tetrahedra, corners with two equivalent O(10)U4 tetrahedra, corners with two equivalent O(5)U4 tetrahedra, corners with three equivalent O(3)ZrU3 tetrahedra, corners with three equivalent O(4)ZrU3 tetrahedra, corners with four equivalent O(2)Zr2U2 tetrahedra,  an edgeedge with one O(1)ZrU3 tetrahedra,  an edgeedge with one O(4)ZrU3 tetrahedra, edges with two equivalent O(5)U4 tetrahedra, and edges with two equivalent O(8)Zr2U2 tetrahedra. In the sixth O site, O(4) is bonded to one U(3), two equivalent U(4), and one Zr(1) atom to form OZrU3 tetrahedra that share  a cornercorner with one O(9)U4 tetrahedra,  a cornercorner with one O(1)ZrU3 tetrahedra, corners with two equivalent O(5)U4 tetrahedra, corners with two equivalent O(4)ZrU3 tetrahedra, corners with three equivalent O(7)U4 tetrahedra, corners with three equivalent O(3)ZrU3 tetrahedra, corners with four equivalent O(8)Zr2U2 tetrahedra,  an edgeedge with one O(3)ZrU3 tetrahedra,  an edgeedge with one O(6)ZrU3 tetrahedra, edges with two equivalent O(10)U4 tetrahedra, and edges with two equivalent O(2)Zr2U2 tetrahedra. In the seventh O site, O(5) is bonded to one U(1), one U(4), and two equivalent U(2) atoms to form OU4 tetrahedra that share  a cornercorner with one O(10)U4 tetrahedra,  a cornercorner with one O(2)Zr2U2 tetrahedra,  a cornercorner with one O(8)Zr2U2 tetrahedra, corners with two equivalent O(3)ZrU3 tetrahedra, corners with two equivalent O(4)ZrU3 tetrahedra, corners with four equivalent O(1)ZrU3 tetrahedra, corners with five equivalent O(5)U4 tetrahedra,  an edgeedge with one O(5)U4 tetrahedra,  an edgeedge with one O(2)Zr2U2 tetrahedra, edges with two equivalent O(1)ZrU3 tetrahedra, and edges with two equivalent O(3)ZrU3 tetrahedra. In the eighth O site, O(6) is bonded to one U(3), two equivalent U(5), and one Zr(1) atom to form OZrU3 tetrahedra that share  a cornercorner with one O(7)U4 tetrahedra,  a cornercorner with one O(1)ZrU3 tetrahedra,  a cornercorner with one O(3)ZrU3 tetrahedra, corners with two equivalent O(2)Zr2U2 tetrahedra, corners with two equivalent O(6)ZrU3 tetrahedra, corners with four equivalent O(10)U4 tetrahedra, corners with five equivalent O(9)U4 tetrahedra,  an edgeedge with one O(9)U4 tetrahedra,  an edgeedge with one O(4)ZrU3 tetrahedra, edges with two equivalent O(7)U4 tetrahedra, and edges with two equivalent O(8)Zr2U2 tetrahedra. In the ninth O site, O(7) is bonded to one U(5) and three equivalent U(3) atoms to form OU4 tetrahedra that share  a cornercorner with one O(8)Zr2U2 tetrahedra,  a cornercorner with one O(6)ZrU3 tetrahedra, corners with two equivalent O(7)U4 tetrahedra, corners with three equivalent O(4)ZrU3 tetrahedra, corners with four equivalent O(9)U4 tetrahedra, corners with five equivalent O(10)U4 tetrahedra,  an edgeedge with one O(10)U4 tetrahedra,  an edgeedge with one O(9)U4 tetrahedra, edges with two equivalent O(7)U4 tetrahedra, and edges with two equivalent O(6)ZrU3 tetrahedra. In the tenth O site, O(8) is bonded to one U(4), one U(5), and two equivalent Zr(1) atoms to form OZr2U2 tetrahedra that share  a cornercorner with one O(5)U4 tetrahedra,  a cornercorner with one O(7)U4 tetrahedra, corners with two equivalent O(8)Zr2U2 tetrahedra, corners with two equivalent O(1)ZrU3 tetrahedra, corners with three equivalent O(9)U4 tetrahedra, corners with three equivalent O(2)Zr2U2 tetrahedra, corners with four equivalent O(4)ZrU3 tetrahedra,  an edgeedge with one O(10)U4 tetrahedra,  an edgeedge with one O(2)Zr2U2 tetrahedra, edges with two equivalent O(3)ZrU3 tetrahedra, and edges with two equivalent O(6)ZrU3 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_ZrU4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   15.635
_cell_length_b   15.635
_cell_length_c   6.590
_cell_angle_alpha   86.005
_cell_angle_beta   86.005
_cell_angle_gamma   14.029
_symmetry_Int_Tables_number   1
_cell_volume   389.576
_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
  Zr  Zr0  1  0.400  0.400  0.700  1.0
  Zr  Zr1  1  0.600  0.600  0.300  1.0
  U  U2  1  0.000  0.000  0.500  1.0
  U  U3  1  0.500  0.500  0.000  1.0
  U  U4  1  0.301  0.301  0.401  1.0
  U  U5  1  0.699  0.699  0.599  1.0
  U  U6  1  0.900  0.900  0.200  1.0
  U  U7  1  0.801  0.801  0.899  1.0
  U  U8  1  0.199  0.199  0.101  1.0
  U  U9  1  0.100  0.100  0.800  1.0
  O  O10  1  0.527  0.527  0.327  1.0
  O  O11  1  0.076  0.076  0.468  1.0
  O  O12  1  0.924  0.924  0.532  1.0
  O  O13  1  0.576  0.576  0.982  1.0
  O  O14  1  0.377  0.377  0.382  1.0
  O  O15  1  0.473  0.473  0.673  1.0
  O  O16  1  0.025  0.025  0.823  1.0
  O  O17  1  0.328  0.328  0.725  1.0
  O  O18  1  0.975  0.975  0.177  1.0
  O  O19  1  0.775  0.775  0.576  1.0
  O  O20  1  0.225  0.225  0.424  1.0
  O  O21  1  0.877  0.877  0.867  1.0
  O  O22  1  0.424  0.424  0.018  1.0
  O  O23  1  0.725  0.725  0.926  1.0
  O  O24  1  0.624  0.624  0.618  1.0
  O  O25  1  0.826  0.826  0.224  1.0
  O  O26  1  0.174  0.174  0.776  1.0
  O  O27  1  0.275  0.275  0.074  1.0
  O  O28  1  0.672  0.672  0.275  1.0
  O  O29  1  0.123  0.123  0.133  1.0
[/CIF]
.
The compound described by U4ZrO10 is Fluorite-derived structured and crystallizes in the monoclinic C2/m space group. There are five inequivalent U sites. In the first U site, U(1) is bonded in a body-centered cubic geometry to two equivalent O(2), two equivalent O(5), and four equivalent O(1) atoms. In the second U site, U(2) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(3), and four equivalent O(5) atoms. In the third U site, U(3) is bonded in a body-centered cubic geometry to one O(4), one O(6), one O(9), two equivalent O(10), and three equivalent O(7) atoms. In the fourth U site, U(4) is bonded in a body-centered cubic geometry to one O(10), one O(2), one O(5), one O(8), two equivalent O(3), and two equivalent O(4) atoms. In the fifth U site, U(5) is bonded in a body-centered cubic geometry to one O(10), one O(7), one O(8), two equivalent O(6), and three equivalent O(9) atoms. Zr(1) is bonded in a body-centered cubic geometry to one O(1), one O(3), one O(4), one O(6), two equivalent O(2), and two equivalent O(8) atoms. There are ten inequivalent O sites. In the first O site, O(9) is bonded to one U(3) and three equivalent U(5) atoms to form OU4 tetrahedra that share  a cornercorner with one O(10)U4 tetrahedra,  a cornercorner with one O(4)ZrU3 tetrahedra, corners with two equivalent O(9)U4 tetrahedra, corners with three equivalent O(8)Zr2U2 tetrahedra, corners with four equivalent O(7)U4 tetrahedra, corners with five equivalent O(6)ZrU3 tetrahedra,  an edgeedge with one O(7)U4 tetrahedra,  an edgeedge with one O(6)ZrU3 tetrahedra, edges with two equivalent O(10)U4 tetrahedra, and edges with two equivalent O(9)U4 tetrahedra. In the second O site, O(10) is bonded to one U(4), one U(5), and two equivalent U(3) atoms to form OU4 tetrahedra that share  a cornercorner with one O(5)U4 tetrahedra,  a cornercorner with one O(9)U4 tetrahedra,  a cornercorner with one O(2)Zr2U2 tetrahedra, corners with two equivalent O(10)U4 tetrahedra, corners with two equivalent O(3)ZrU3 tetrahedra, corners with four equivalent O(6)ZrU3 tetrahedra, corners with five equivalent O(7)U4 tetrahedra,  an edgeedge with one O(7)U4 tetrahedra,  an edgeedge with one O(8)Zr2U2 tetrahedra, edges with two equivalent O(9)U4 tetrahedra, and edges with two equivalent O(4)ZrU3 tetrahedra. In the third O site, O(1) is bonded to one U(2), two equivalent U(1), and one Zr(1) atom to form OZrU3 tetrahedra that share  a cornercorner with one O(3)ZrU3 tetrahedra,  a cornercorner with one O(4)ZrU3 tetrahedra,  a cornercorner with one O(6)ZrU3 tetrahedra, corners with two equivalent O(2)Zr2U2 tetrahedra, corners with two equivalent O(8)Zr2U2 tetrahedra, corners with four equivalent O(5)U4 tetrahedra, corners with five equivalent O(1)ZrU3 tetrahedra,  an edgeedge with one O(1)ZrU3 tetrahedra,  an edgeedge with one O(3)ZrU3 tetrahedra, edges with two equivalent O(5)U4 tetrahedra, and edges with two equivalent O(2)Zr2U2 tetrahedra. In the fourth O site, O(2) is bonded to one U(1), one U(4), and two equivalent Zr(1) atoms to form OZr2U2 tetrahedra that share  a cornercorner with one O(10)U4 tetrahedra,  a cornercorner with one O(5)U4 tetrahedra, corners with two equivalent O(1)ZrU3 tetrahedra, corners with two equivalent O(6)ZrU3 tetrahedra, corners with three equivalent O(2)Zr2U2 tetrahedra, corners with three equivalent O(8)Zr2U2 tetrahedra, corners with four equivalent O(3)ZrU3 tetrahedra,  an edgeedge with one O(5)U4 tetrahedra,  an edgeedge with one O(8)Zr2U2 tetrahedra, edges with two equivalent O(1)ZrU3 tetrahedra, and edges with two equivalent O(4)ZrU3 tetrahedra. In the fifth O site, O(3) is bonded to one U(2), two equivalent U(4), and one Zr(1) atom to form OZrU3 tetrahedra that share  a cornercorner with one O(1)ZrU3 tetrahedra,  a cornercorner with one O(6)ZrU3 tetrahedra, corners with two equivalent O(10)U4 tetrahedra, corners with two equivalent O(5)U4 tetrahedra, corners with three equivalent O(3)ZrU3 tetrahedra, corners with three equivalent O(4)ZrU3 tetrahedra, corners with four equivalent O(2)Zr2U2 tetrahedra,  an edgeedge with one O(1)ZrU3 tetrahedra,  an edgeedge with one O(4)ZrU3 tetrahedra, edges with two equivalent O(5)U4 tetrahedra, and edges with two equivalent O(8)Zr2U2 tetrahedra. In the sixth O site, O(4) is bonded to one U(3), two equivalent U(4), and one Zr(1) atom to form OZrU3 tetrahedra that share  a cornercorner with one O(9)U4 tetrahedra,  a cornercorner with one O(1)ZrU3 tetrahedra, corners with two equivalent O(5)U4 tetrahedra, corners with two equivalent O(4)ZrU3 tetrahedra, corners with three equivalent O(7)U4 tetrahedra, corners with three equivalent O(3)ZrU3 tetrahedra, corners with four equivalent O(8)Zr2U2 tetrahedra,  an edgeedge with one O(3)ZrU3 tetrahedra,  an edgeedge with one O(6)ZrU3 tetrahedra, edges with two equivalent O(10)U4 tetrahedra, and edges with two equivalent O(2)Zr2U2 tetrahedra. In the seventh O site, O(5) is bonded to one U(1), one U(4), and two equivalent U(2) atoms to form OU4 tetrahedra that share  a cornercorner with one O(10)U4 tetrahedra,  a cornercorner with one O(2)Zr2U2 tetrahedra,  a cornercorner with one O(8)Zr2U2 tetrahedra, corners with two equivalent O(3)ZrU3 tetrahedra, corners with two equivalent O(4)ZrU3 tetrahedra, corners with four equivalent O(1)ZrU3 tetrahedra, corners with five equivalent O(5)U4 tetrahedra,  an edgeedge with one O(5)U4 tetrahedra,  an edgeedge with one O(2)Zr2U2 tetrahedra, edges with two equivalent O(1)ZrU3 tetrahedra, and edges with two equivalent O(3)ZrU3 tetrahedra. In the eighth O site, O(6) is bonded to one U(3), two equivalent U(5), and one Zr(1) atom to form OZrU3 tetrahedra that share  a cornercorner with one O(7)U4 tetrahedra,  a cornercorner with one O(1)ZrU3 tetrahedra,  a cornercorner with one O(3)ZrU3 tetrahedra, corners with two equivalent O(2)Zr2U2 tetrahedra, corners with two equivalent O(6)ZrU3 tetrahedra, corners with four equivalent O(10)U4 tetrahedra, corners with five equivalent O(9)U4 tetrahedra,  an edgeedge with one O(9)U4 tetrahedra,  an edgeedge with one O(4)ZrU3 tetrahedra, edges with two equivalent O(7)U4 tetrahedra, and edges with two equivalent O(8)Zr2U2 tetrahedra. In the ninth O site, O(7) is bonded to one U(5) and three equivalent U(3) atoms to form OU4 tetrahedra that share  a cornercorner with one O(8)Zr2U2 tetrahedra,  a cornercorner with one O(6)ZrU3 tetrahedra, corners with two equivalent O(7)U4 tetrahedra, corners with three equivalent O(4)ZrU3 tetrahedra, corners with four equivalent O(9)U4 tetrahedra, corners with five equivalent O(10)U4 tetrahedra,  an edgeedge with one O(10)U4 tetrahedra,  an edgeedge with one O(9)U4 tetrahedra, edges with two equivalent O(7)U4 tetrahedra, and edges with two equivalent O(6)ZrU3 tetrahedra. In the tenth O site, O(8) is bonded to one U(4), one U(5), and two equivalent Zr(1) atoms to form OZr2U2 tetrahedra that share  a cornercorner with one O(5)U4 tetrahedra,  a cornercorner with one O(7)U4 tetrahedra, corners with two equivalent O(8)Zr2U2 tetrahedra, corners with two equivalent O(1)ZrU3 tetrahedra, corners with three equivalent O(9)U4 tetrahedra, corners with three equivalent O(2)Zr2U2 tetrahedra, corners with four equivalent O(4)ZrU3 tetrahedra,  an edgeedge with one O(10)U4 tetrahedra,  an edgeedge with one O(2)Zr2U2 tetrahedra, edges with two equivalent O(3)ZrU3 tetrahedra, and edges with two equivalent O(6)ZrU3 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_ZrU4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   15.635
_cell_length_b   15.635
_cell_length_c   6.590
_cell_angle_alpha   86.005
_cell_angle_beta   86.005
_cell_angle_gamma   14.029
_symmetry_Int_Tables_number   1
_cell_volume   389.576
_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
  Zr  Zr0  1  0.400  0.400  0.700  1.0
  Zr  Zr1  1  0.600  0.600  0.300  1.0
  U  U2  1  0.000  0.000  0.500  1.0
  U  U3  1  0.500  0.500  0.000  1.0
  U  U4  1  0.301  0.301  0.401  1.0
  U  U5  1  0.699  0.699  0.599  1.0
  U  U6  1  0.900  0.900  0.200  1.0
  U  U7  1  0.801  0.801  0.899  1.0
  U  U8  1  0.199  0.199  0.101  1.0
  U  U9  1  0.100  0.100  0.800  1.0
  O  O10  1  0.527  0.527  0.327  1.0
  O  O11  1  0.076  0.076  0.468  1.0
  O  O12  1  0.924  0.924  0.532  1.0
  O  O13  1  0.576  0.576  0.982  1.0
  O  O14  1  0.377  0.377  0.382  1.0
  O  O15  1  0.473  0.473  0.673  1.0
  O  O16  1  0.025  0.025  0.823  1.0
  O  O17  1  0.328  0.328  0.725  1.0
  O  O18  1  0.975  0.975  0.177  1.0
  O  O19  1  0.775  0.775  0.576  1.0
  O  O20  1  0.225  0.225  0.424  1.0
  O  O21  1  0.877  0.877  0.867  1.0
  O  O22  1  0.424  0.424  0.018  1.0
  O  O23  1  0.725  0.725  0.926  1.0
  O  O24  1  0.624  0.624  0.618  1.0
  O  O25  1  0.826  0.826  0.224  1.0
  O  O26  1  0.174  0.174  0.776  1.0
  O  O27  1  0.275  0.275  0.074  1.0
  O  O28  1  0.672  0.672  0.275  1.0
  O  O29  1  0.123  0.123  0.133  1.0
[/CIF]
.