The material structure described by Th4Ce6O19 crystallizes in the monoclinic Cm space group. There are two inequivalent Th sites. In the first Th site, Th(1) is bonded in a body-centered cubic geometry to one O(1), one O(5), one O(6), one O(7), two equivalent O(2), and two equivalent O(8) atoms. In the second Th site, Th(2) is bonded in a body-centered cubic geometry to one O(2), one O(3), one O(4), one O(8), two equivalent O(5), and two equivalent O(6) atoms. There are four inequivalent Ce sites. In the first Ce site, Ce(1) is bonded to one O(10), one O(11), one O(9), two equivalent O(1), and two equivalent O(7) atoms to form a mixture of distorted corner and edge-sharing CeO7 hexagonal pyramids. In the second Ce site, Ce(2) is bonded to one O(10), one O(11), one O(9), two equivalent O(3), and two equivalent O(4) atoms to form a mixture of distorted corner and edge-sharing CeO7 hexagonal pyramids. In the third Ce site, Ce(3) is bonded in a body-centered cubic geometry to one O(1), one O(10), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(9) atom. In the fourth Ce site, Ce(4) is bonded to one O(1), one O(11), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form a mixture of distorted corner and edge-sharing CeO7 hexagonal pyramids. There are eleven inequivalent O sites. In the first O site, O(8) is bonded to one Th(2), two equivalent Th(1), and one Ce(4) atom to form OCeTh3 tetrahedra that share  a cornercorner with one O(1)Ce3Th tetrahedra,  a cornercorner with one O(11)Ce4 tetrahedra, corners with two equivalent O(4)Ce3Th tetrahedra, corners with two equivalent O(2)CeTh3 tetrahedra, corners with two equivalent O(8)CeTh3 tetrahedra, corners with three equivalent O(7)Ce3Th tetrahedra, corners with four equivalent O(6)CeTh3 tetrahedra,  an edgeedge with one O(1)Ce3Th tetrahedra,  an edgeedge with one O(3)Ce3Th tetrahedra, edges with two equivalent O(2)CeTh3 tetrahedra, and edges with two equivalent O(5)CeTh3 tetrahedra. In the second O site, O(9) is bonded to one Ce(1), one Ce(2), and two equivalent Ce(3) atoms to form OCe4 tetrahedra that share corners with two equivalent O(10)Ce4 tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with four equivalent O(1)Ce3Th tetrahedra, corners with four equivalent O(3)Ce3Th tetrahedra,  an edgeedge with one O(10)Ce4 tetrahedra,  an edgeedge with one O(11)Ce4 tetrahedra, edges with two equivalent O(4)Ce3Th tetrahedra, and edges with two equivalent O(7)Ce3Th tetrahedra. In the third O site, O(10) is bonded to one Ce(1), one Ce(2), and two equivalent Ce(3) atoms to form OCe4 tetrahedra that share corners with two equivalent O(11)Ce4 tetrahedra, corners with two equivalent O(9)Ce4 tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with four equivalent O(4)Ce3Th tetrahedra, corners with four equivalent O(7)Ce3Th tetrahedra,  an edgeedge with one O(9)Ce4 tetrahedra, edges with two equivalent O(1)Ce3Th tetrahedra, and edges with two equivalent O(3)Ce3Th tetrahedra. In the fourth O site, O(11) is bonded to one Ce(1), one Ce(2), and two equivalent Ce(4) atoms to form OCe4 tetrahedra that share corners with two equivalent O(10)Ce4 tetrahedra, corners with two equivalent O(2)CeTh3 tetrahedra, corners with two equivalent O(8)CeTh3 tetrahedra, corners with four equivalent O(4)Ce3Th tetrahedra, corners with four equivalent O(7)Ce3Th tetrahedra,  an edgeedge with one O(9)Ce4 tetrahedra, edges with two equivalent O(1)Ce3Th tetrahedra, and edges with two equivalent O(3)Ce3Th tetrahedra. In the fifth O site, O(1) is bonded to one Th(1), one Ce(1), one Ce(3), and one Ce(4) atom to form OCe3Th tetrahedra that share  a cornercorner with one O(1)Ce3Th tetrahedra,  a cornercorner with one O(8)CeTh3 tetrahedra, corners with two equivalent O(3)Ce3Th tetrahedra, corners with two equivalent O(9)Ce4 tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with three equivalent O(7)Ce3Th tetrahedra, corners with three equivalent O(2)CeTh3 tetrahedra,  an edgeedge with one O(4)Ce3Th tetrahedra,  an edgeedge with one O(7)Ce3Th tetrahedra,  an edgeedge with one O(10)Ce4 tetrahedra,  an edgeedge with one O(11)Ce4 tetrahedra,  an edgeedge with one O(6)CeTh3 tetrahedra, and  an edgeedge with one O(8)CeTh3 tetrahedra. In the sixth O site, O(2) is bonded to one Th(2), two equivalent Th(1), and one Ce(4) atom to form OCeTh3 tetrahedra that share  a cornercorner with one O(7)Ce3Th tetrahedra,  a cornercorner with one O(11)Ce4 tetrahedra, corners with two equivalent O(3)Ce3Th tetrahedra, corners with two equivalent O(2)CeTh3 tetrahedra, corners with two equivalent O(8)CeTh3 tetrahedra, corners with three equivalent O(1)Ce3Th tetrahedra, corners with four equivalent O(5)CeTh3 tetrahedra,  an edgeedge with one O(4)Ce3Th tetrahedra,  an edgeedge with one O(7)Ce3Th tetrahedra, edges with two equivalent O(6)CeTh3 tetrahedra, and edges with two equivalent O(8)CeTh3 tetrahedra. In the seventh O site, O(3) is bonded to one Th(2), one Ce(2), one Ce(3), and one Ce(4) atom to form OCe3Th tetrahedra that share  a cornercorner with one O(3)Ce3Th tetrahedra,  a cornercorner with one O(6)CeTh3 tetrahedra, corners with two equivalent O(1)Ce3Th tetrahedra, corners with two equivalent O(9)Ce4 tetrahedra, corners with two equivalent O(2)CeTh3 tetrahedra, corners with three equivalent O(4)Ce3Th tetrahedra, corners with three equivalent O(5)CeTh3 tetrahedra,  an edgeedge with one O(4)Ce3Th tetrahedra,  an edgeedge with one O(7)Ce3Th tetrahedra,  an edgeedge with one O(10)Ce4 tetrahedra,  an edgeedge with one O(11)Ce4 tetrahedra,  an edgeedge with one O(6)CeTh3 tetrahedra, and  an edgeedge with one O(8)CeTh3 tetrahedra. In the eighth O site, O(4) is bonded to one Th(2), one Ce(2), one Ce(3), and one Ce(4) atom to form OCe3Th tetrahedra that share  a cornercorner with one O(4)Ce3Th tetrahedra,  a cornercorner with one O(5)CeTh3 tetrahedra, corners with two equivalent O(7)Ce3Th tetrahedra, corners with two equivalent O(10)Ce4 tetrahedra, corners with two equivalent O(11)Ce4 tetrahedra, corners with two equivalent O(8)CeTh3 tetrahedra, corners with three equivalent O(3)Ce3Th tetrahedra, corners with three equivalent O(6)CeTh3 tetrahedra,  an edgeedge with one O(1)Ce3Th tetrahedra,  an edgeedge with one O(3)Ce3Th tetrahedra,  an edgeedge with one O(9)Ce4 tetrahedra,  an edgeedge with one O(2)CeTh3 tetrahedra, and  an edgeedge with one O(5)CeTh3 tetrahedra. In the ninth O site, O(5) is bonded to one Th(1), two equivalent Th(2), and one Ce(3) atom to form OCeTh3 tetrahedra that share  a cornercorner with one O(4)Ce3Th tetrahedra,  a cornercorner with one O(10)Ce4 tetrahedra,  a cornercorner with one O(9)Ce4 tetrahedra, corners with two equivalent O(1)Ce3Th tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with three equivalent O(3)Ce3Th tetrahedra, corners with four equivalent O(2)CeTh3 tetrahedra,  an edgeedge with one O(4)Ce3Th tetrahedra,  an edgeedge with one O(7)Ce3Th tetrahedra, edges with two equivalent O(6)CeTh3 tetrahedra, and edges with two equivalent O(8)CeTh3 tetrahedra. In the tenth O site, O(6) is bonded to one Th(1), two equivalent Th(2), and one Ce(3) atom to form OCeTh3 tetrahedra that share  a cornercorner with one O(3)Ce3Th tetrahedra,  a cornercorner with one O(10)Ce4 tetrahedra,  a cornercorner with one O(9)Ce4 tetrahedra, corners with two equivalent O(7)Ce3Th tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with three equivalent O(4)Ce3Th tetrahedra, corners with four equivalent O(8)CeTh3 tetrahedra,  an edgeedge with one O(1)Ce3Th tetrahedra,  an edgeedge with one O(3)Ce3Th tetrahedra, edges with two equivalent O(2)CeTh3 tetrahedra, and edges with two equivalent O(5)CeTh3 tetrahedra. In the eleventh O site, O(7) is bonded to one Th(1), one Ce(1), one Ce(3), and one Ce(4) atom to form OCe3Th tetrahedra that share  a cornercorner with one O(7)Ce3Th tetrahedra,  a cornercorner with one O(2)CeTh3 tetrahedra, corners with two equivalent O(4)Ce3Th tetrahedra, corners with two equivalent O(10)Ce4 tetrahedra, corners with two equivalent O(11)Ce4 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with three equivalent O(1)Ce3Th tetrahedra, corners with three equivalent O(8)CeTh3 tetrahedra,  an edgeedge with one O(1)Ce3Th tetrahedra,  an edgeedge with one O(3)Ce3Th tetrahedra,  an edgeedge with one O(9)Ce4 tetrahedra,  an edgeedge with one O(2)CeTh3 tetrahedra, and  an edgeedge with one O(5)CeTh3 tetrahedra. is represented by the CIF card [CIF]
data_Ce6Th4O19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.360
_cell_length_b   10.360
_cell_length_c   6.815
_cell_angle_alpha   83.744
_cell_angle_beta   83.744
_cell_angle_gamma   141.576
_symmetry_Int_Tables_number   1
_cell_volume   428.886
_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
  Ce  Ce0  1  0.025  0.025  0.996  1.0
  Ce  Ce1  1  0.496  0.496  0.525  1.0
  Ce  Ce2  1  0.094  0.900  0.498  1.0
  Ce  Ce3  1  0.601  0.390  0.995  1.0
  Ce  Ce4  1  0.900  0.094  0.498  1.0
  Ce  Ce5  1  0.390  0.601  0.995  1.0
  Th  Th6  1  0.798  0.192  0.000  1.0
  Th  Th7  1  0.699  0.302  0.496  1.0
  Th  Th8  1  0.302  0.699  0.496  1.0
  Th  Th9  1  0.192  0.798  0.000  1.0
  O  O10  1  0.230  0.029  0.124  1.0
  O  O11  1  0.823  0.419  0.123  1.0
  O  O12  1  0.419  0.823  0.123  1.0
  O  O13  1  0.725  0.523  0.630  1.0
  O  O14  1  0.492  0.308  0.354  1.0
  O  O15  1  0.318  0.929  0.621  1.0
  O  O16  1  0.029  0.230  0.124  1.0
  O  O17  1  0.070  0.672  0.375  1.0
  O  O18  1  0.929  0.318  0.621  1.0
  O  O19  1  0.672  0.070  0.375  1.0
  O  O20  1  0.945  0.762  0.900  1.0
  O  O21  1  0.523  0.725  0.630  1.0
  O  O22  1  0.308  0.492  0.354  1.0
  O  O23  1  0.576  0.173  0.871  1.0
  O  O24  1  0.129  0.129  0.629  1.0
  O  O25  1  0.173  0.576  0.871  1.0
  O  O26  1  0.858  0.858  0.359  1.0
  O  O27  1  0.762  0.945  0.900  1.0
  O  O28  1  0.394  0.394  0.893  1.0
[/CIF]
.
The material structure described by Th4Ce6O19 crystallizes in the monoclinic Cm space group. There are two inequivalent Th sites. In the first Th site, Th(1) is bonded in a body-centered cubic geometry to one O(1), one O(5), one O(6), one O(7), two equivalent O(2), and two equivalent O(8) atoms. In the second Th site, Th(2) is bonded in a body-centered cubic geometry to one O(2), one O(3), one O(4), one O(8), two equivalent O(5), and two equivalent O(6) atoms. There are four inequivalent Ce sites. In the first Ce site, Ce(1) is bonded to one O(10), one O(11), one O(9), two equivalent O(1), and two equivalent O(7) atoms to form a mixture of distorted corner and edge-sharing CeO7 hexagonal pyramids. In the second Ce site, Ce(2) is bonded to one O(10), one O(11), one O(9), two equivalent O(3), and two equivalent O(4) atoms to form a mixture of distorted corner and edge-sharing CeO7 hexagonal pyramids. In the third Ce site, Ce(3) is bonded in a body-centered cubic geometry to one O(1), one O(10), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(9) atom. In the fourth Ce site, Ce(4) is bonded to one O(1), one O(11), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form a mixture of distorted corner and edge-sharing CeO7 hexagonal pyramids. There are eleven inequivalent O sites. In the first O site, O(8) is bonded to one Th(2), two equivalent Th(1), and one Ce(4) atom to form OCeTh3 tetrahedra that share  a cornercorner with one O(1)Ce3Th tetrahedra,  a cornercorner with one O(11)Ce4 tetrahedra, corners with two equivalent O(4)Ce3Th tetrahedra, corners with two equivalent O(2)CeTh3 tetrahedra, corners with two equivalent O(8)CeTh3 tetrahedra, corners with three equivalent O(7)Ce3Th tetrahedra, corners with four equivalent O(6)CeTh3 tetrahedra,  an edgeedge with one O(1)Ce3Th tetrahedra,  an edgeedge with one O(3)Ce3Th tetrahedra, edges with two equivalent O(2)CeTh3 tetrahedra, and edges with two equivalent O(5)CeTh3 tetrahedra. In the second O site, O(9) is bonded to one Ce(1), one Ce(2), and two equivalent Ce(3) atoms to form OCe4 tetrahedra that share corners with two equivalent O(10)Ce4 tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with four equivalent O(1)Ce3Th tetrahedra, corners with four equivalent O(3)Ce3Th tetrahedra,  an edgeedge with one O(10)Ce4 tetrahedra,  an edgeedge with one O(11)Ce4 tetrahedra, edges with two equivalent O(4)Ce3Th tetrahedra, and edges with two equivalent O(7)Ce3Th tetrahedra. In the third O site, O(10) is bonded to one Ce(1), one Ce(2), and two equivalent Ce(3) atoms to form OCe4 tetrahedra that share corners with two equivalent O(11)Ce4 tetrahedra, corners with two equivalent O(9)Ce4 tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with four equivalent O(4)Ce3Th tetrahedra, corners with four equivalent O(7)Ce3Th tetrahedra,  an edgeedge with one O(9)Ce4 tetrahedra, edges with two equivalent O(1)Ce3Th tetrahedra, and edges with two equivalent O(3)Ce3Th tetrahedra. In the fourth O site, O(11) is bonded to one Ce(1), one Ce(2), and two equivalent Ce(4) atoms to form OCe4 tetrahedra that share corners with two equivalent O(10)Ce4 tetrahedra, corners with two equivalent O(2)CeTh3 tetrahedra, corners with two equivalent O(8)CeTh3 tetrahedra, corners with four equivalent O(4)Ce3Th tetrahedra, corners with four equivalent O(7)Ce3Th tetrahedra,  an edgeedge with one O(9)Ce4 tetrahedra, edges with two equivalent O(1)Ce3Th tetrahedra, and edges with two equivalent O(3)Ce3Th tetrahedra. In the fifth O site, O(1) is bonded to one Th(1), one Ce(1), one Ce(3), and one Ce(4) atom to form OCe3Th tetrahedra that share  a cornercorner with one O(1)Ce3Th tetrahedra,  a cornercorner with one O(8)CeTh3 tetrahedra, corners with two equivalent O(3)Ce3Th tetrahedra, corners with two equivalent O(9)Ce4 tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with three equivalent O(7)Ce3Th tetrahedra, corners with three equivalent O(2)CeTh3 tetrahedra,  an edgeedge with one O(4)Ce3Th tetrahedra,  an edgeedge with one O(7)Ce3Th tetrahedra,  an edgeedge with one O(10)Ce4 tetrahedra,  an edgeedge with one O(11)Ce4 tetrahedra,  an edgeedge with one O(6)CeTh3 tetrahedra, and  an edgeedge with one O(8)CeTh3 tetrahedra. In the sixth O site, O(2) is bonded to one Th(2), two equivalent Th(1), and one Ce(4) atom to form OCeTh3 tetrahedra that share  a cornercorner with one O(7)Ce3Th tetrahedra,  a cornercorner with one O(11)Ce4 tetrahedra, corners with two equivalent O(3)Ce3Th tetrahedra, corners with two equivalent O(2)CeTh3 tetrahedra, corners with two equivalent O(8)CeTh3 tetrahedra, corners with three equivalent O(1)Ce3Th tetrahedra, corners with four equivalent O(5)CeTh3 tetrahedra,  an edgeedge with one O(4)Ce3Th tetrahedra,  an edgeedge with one O(7)Ce3Th tetrahedra, edges with two equivalent O(6)CeTh3 tetrahedra, and edges with two equivalent O(8)CeTh3 tetrahedra. In the seventh O site, O(3) is bonded to one Th(2), one Ce(2), one Ce(3), and one Ce(4) atom to form OCe3Th tetrahedra that share  a cornercorner with one O(3)Ce3Th tetrahedra,  a cornercorner with one O(6)CeTh3 tetrahedra, corners with two equivalent O(1)Ce3Th tetrahedra, corners with two equivalent O(9)Ce4 tetrahedra, corners with two equivalent O(2)CeTh3 tetrahedra, corners with three equivalent O(4)Ce3Th tetrahedra, corners with three equivalent O(5)CeTh3 tetrahedra,  an edgeedge with one O(4)Ce3Th tetrahedra,  an edgeedge with one O(7)Ce3Th tetrahedra,  an edgeedge with one O(10)Ce4 tetrahedra,  an edgeedge with one O(11)Ce4 tetrahedra,  an edgeedge with one O(6)CeTh3 tetrahedra, and  an edgeedge with one O(8)CeTh3 tetrahedra. In the eighth O site, O(4) is bonded to one Th(2), one Ce(2), one Ce(3), and one Ce(4) atom to form OCe3Th tetrahedra that share  a cornercorner with one O(4)Ce3Th tetrahedra,  a cornercorner with one O(5)CeTh3 tetrahedra, corners with two equivalent O(7)Ce3Th tetrahedra, corners with two equivalent O(10)Ce4 tetrahedra, corners with two equivalent O(11)Ce4 tetrahedra, corners with two equivalent O(8)CeTh3 tetrahedra, corners with three equivalent O(3)Ce3Th tetrahedra, corners with three equivalent O(6)CeTh3 tetrahedra,  an edgeedge with one O(1)Ce3Th tetrahedra,  an edgeedge with one O(3)Ce3Th tetrahedra,  an edgeedge with one O(9)Ce4 tetrahedra,  an edgeedge with one O(2)CeTh3 tetrahedra, and  an edgeedge with one O(5)CeTh3 tetrahedra. In the ninth O site, O(5) is bonded to one Th(1), two equivalent Th(2), and one Ce(3) atom to form OCeTh3 tetrahedra that share  a cornercorner with one O(4)Ce3Th tetrahedra,  a cornercorner with one O(10)Ce4 tetrahedra,  a cornercorner with one O(9)Ce4 tetrahedra, corners with two equivalent O(1)Ce3Th tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with three equivalent O(3)Ce3Th tetrahedra, corners with four equivalent O(2)CeTh3 tetrahedra,  an edgeedge with one O(4)Ce3Th tetrahedra,  an edgeedge with one O(7)Ce3Th tetrahedra, edges with two equivalent O(6)CeTh3 tetrahedra, and edges with two equivalent O(8)CeTh3 tetrahedra. In the tenth O site, O(6) is bonded to one Th(1), two equivalent Th(2), and one Ce(3) atom to form OCeTh3 tetrahedra that share  a cornercorner with one O(3)Ce3Th tetrahedra,  a cornercorner with one O(10)Ce4 tetrahedra,  a cornercorner with one O(9)Ce4 tetrahedra, corners with two equivalent O(7)Ce3Th tetrahedra, corners with two equivalent O(5)CeTh3 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with three equivalent O(4)Ce3Th tetrahedra, corners with four equivalent O(8)CeTh3 tetrahedra,  an edgeedge with one O(1)Ce3Th tetrahedra,  an edgeedge with one O(3)Ce3Th tetrahedra, edges with two equivalent O(2)CeTh3 tetrahedra, and edges with two equivalent O(5)CeTh3 tetrahedra. In the eleventh O site, O(7) is bonded to one Th(1), one Ce(1), one Ce(3), and one Ce(4) atom to form OCe3Th tetrahedra that share  a cornercorner with one O(7)Ce3Th tetrahedra,  a cornercorner with one O(2)CeTh3 tetrahedra, corners with two equivalent O(4)Ce3Th tetrahedra, corners with two equivalent O(10)Ce4 tetrahedra, corners with two equivalent O(11)Ce4 tetrahedra, corners with two equivalent O(6)CeTh3 tetrahedra, corners with three equivalent O(1)Ce3Th tetrahedra, corners with three equivalent O(8)CeTh3 tetrahedra,  an edgeedge with one O(1)Ce3Th tetrahedra,  an edgeedge with one O(3)Ce3Th tetrahedra,  an edgeedge with one O(9)Ce4 tetrahedra,  an edgeedge with one O(2)CeTh3 tetrahedra, and  an edgeedge with one O(5)CeTh3 tetrahedra. is represented by the CIF card [CIF]
data_Ce6Th4O19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.360
_cell_length_b   10.360
_cell_length_c   6.815
_cell_angle_alpha   83.744
_cell_angle_beta   83.744
_cell_angle_gamma   141.576
_symmetry_Int_Tables_number   1
_cell_volume   428.886
_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
  Ce  Ce0  1  0.025  0.025  0.996  1.0
  Ce  Ce1  1  0.496  0.496  0.525  1.0
  Ce  Ce2  1  0.094  0.900  0.498  1.0
  Ce  Ce3  1  0.601  0.390  0.995  1.0
  Ce  Ce4  1  0.900  0.094  0.498  1.0
  Ce  Ce5  1  0.390  0.601  0.995  1.0
  Th  Th6  1  0.798  0.192  0.000  1.0
  Th  Th7  1  0.699  0.302  0.496  1.0
  Th  Th8  1  0.302  0.699  0.496  1.0
  Th  Th9  1  0.192  0.798  0.000  1.0
  O  O10  1  0.230  0.029  0.124  1.0
  O  O11  1  0.823  0.419  0.123  1.0
  O  O12  1  0.419  0.823  0.123  1.0
  O  O13  1  0.725  0.523  0.630  1.0
  O  O14  1  0.492  0.308  0.354  1.0
  O  O15  1  0.318  0.929  0.621  1.0
  O  O16  1  0.029  0.230  0.124  1.0
  O  O17  1  0.070  0.672  0.375  1.0
  O  O18  1  0.929  0.318  0.621  1.0
  O  O19  1  0.672  0.070  0.375  1.0
  O  O20  1  0.945  0.762  0.900  1.0
  O  O21  1  0.523  0.725  0.630  1.0
  O  O22  1  0.308  0.492  0.354  1.0
  O  O23  1  0.576  0.173  0.871  1.0
  O  O24  1  0.129  0.129  0.629  1.0
  O  O25  1  0.173  0.576  0.871  1.0
  O  O26  1  0.858  0.858  0.359  1.0
  O  O27  1  0.762  0.945  0.900  1.0
  O  O28  1  0.394  0.394  0.893  1.0
[/CIF]
.