The crystal structure described by Ba7U7O24 is Orthorhombic Perovskite-like structured and crystallizes in the triclinic P1 space group. There are seven inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 5-coordinate geometry to one O(19), one O(2), one O(20), one O(7), and one O(8) atom. In the second Ba site, Ba(2) is bonded in a 11-coordinate geometry to one O(1), one O(10), one O(16), one O(17), one O(21), one O(22), one O(3), one O(5), one O(9), and two equivalent O(14) atoms. In the third Ba site, Ba(3) is bonded in a 10-coordinate geometry to one O(10), one O(12), one O(15), one O(16), one O(20), one O(3), one O(4), one O(7), and two equivalent O(23) atoms. In the fourth Ba site, Ba(4) is bonded in a 10-coordinate geometry to one O(14), one O(16), one O(17), one O(19), one O(20), one O(3), one O(7), one O(8), and two equivalent O(1) atoms. In the fifth Ba site, Ba(5) is bonded in a 5-coordinate geometry to one O(10), one O(13), one O(15), one O(21), one O(22), one O(9), and two equivalent O(2) atoms. In the sixth Ba site, Ba(6) is bonded in a 5-coordinate geometry to one O(15), one O(16), one O(24), one O(3), and one O(4) atom. In the seventh Ba site, Ba(7) is bonded in a 11-coordinate geometry to one O(10), one O(17), one O(18), one O(20), one O(21), one O(23), one O(5), one O(6), one O(7), and two equivalent O(12) atoms. There are seven inequivalent U sites. In the first U site, U(1) is bonded to one O(11), one O(13), one O(15), one O(19), one O(4), and one O(8) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 19-26°. In the second U site, U(2) is bonded to one O(11), one O(14), one O(16), one O(22), one O(3), and one O(9) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 21-28°. In the third U site, U(3) is bonded to one O(10), one O(12), one O(14), one O(17), one O(21), and one O(5) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 9-27°. In the fourth U site, U(4) is bonded to one O(12), one O(13), one O(18), one O(20), one O(6), and one O(7) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 10-27°. In the fifth U site, U(5) is bonded to one O(10), one O(15), one O(2), one O(21), one O(23), and one O(4) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 15-23°. In the sixth U site, U(6) is bonded to one O(18), one O(2), one O(22), one O(24), one O(6), and one O(9) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 10-28°. In the seventh U site, U(7) is bonded to one O(1), one O(17), one O(19), one O(24), one O(5), and one O(8) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 9-26°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one Ba(2), two equivalent Ba(4), and one U(7) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(5), one U(5), and one U(6) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(6), and one U(2) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ba(3), one Ba(6), one U(1), and one U(5) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(7), one U(3), and one U(7) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ba(7), one U(4), and one U(6) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Ba(7), and one U(4) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(4), one U(1), and one U(7) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(5), one U(2), and one U(6) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Ba(2), one Ba(3), one Ba(5), one Ba(7), one U(3), and one U(5) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one U(1) and one U(2) atom. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Ba(3), two equivalent Ba(7), one U(3), and one U(4) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Ba(5), one U(1), and one U(4) atom. In the fourteenth O site, O(14) is bonded in a 5-coordinate geometry to one Ba(4), two equivalent Ba(2), one U(2), and one U(3) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Ba(3), one Ba(5), one Ba(6), one U(1), and one U(5) atom. In the sixteenth O site, O(16) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(6), and one U(2) atom. In the seventeenth O site, O(17) is bonded in a distorted linear geometry to one Ba(2), one Ba(4), one Ba(7), one U(3), and one U(7) atom. In the eighteenth O site, O(18) is bonded in a distorted linear geometry to one Ba(7), one U(4), and one U(6) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(4), one U(1), and one U(7) atom. In the twentieth O site, O(20) is bonded in a 1-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Ba(7), and one U(4) atom. In the twenty-first O site, O(21) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(5), one Ba(7), one U(3), and one U(5) atom. In the twenty-second O site, O(22) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(5), one U(2), and one U(6) atom. In the twenty-third O site, O(23) is bonded in a 1-coordinate geometry to one Ba(7), two equivalent Ba(3), and one U(5) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one Ba(6), one U(6), and one U(7) atom. is represented by the CIF file [CIF]
data_Ba7U7O24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.221
_cell_length_b   10.680
_cell_length_c   10.736
_cell_angle_alpha   108.909
_cell_angle_beta   90.114
_cell_angle_gamma   89.988
_symmetry_Int_Tables_number   1
_cell_volume   674.836
_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
  Ba  Ba0  1  0.010  0.632  0.401  1.0
  Ba  Ba1  1  0.005  0.098  0.861  1.0
  Ba  Ba2  1  0.477  0.645  0.864  1.0
  Ba  Ba3  1  0.524  0.855  0.632  1.0
  Ba  Ba4  1  0.509  0.377  0.114  1.0
  Ba  Ba5  1  0.988  0.863  0.104  1.0
  Ba  Ba6  1  0.993  0.395  0.633  1.0
  U  U7  1  0.500  0.756  0.254  1.0
  U  U8  1  0.498  0.011  0.016  1.0
  U  U9  1  0.500  0.246  0.745  1.0
  U  U10  1  0.501  0.486  0.490  1.0
  U  U11  1  1.000  0.499  0.003  1.0
  U  U12  1  0.001  0.245  0.251  1.0
  U  U13  1  0.002  0.002  0.494  1.0
  O  O14  1  0.992  0.913  0.629  1.0
  O  O15  1  0.995  0.414  0.157  1.0
  O  O16  1  0.261  0.886  0.923  1.0
  O  O17  1  0.248  0.651  0.109  1.0
  O  O18  1  0.227  0.150  0.627  1.0
  O  O19  1  0.224  0.365  0.393  1.0
  O  O20  1  0.287  0.623  0.594  1.0
  O  O21  1  0.257  0.848  0.399  1.0
  O  O22  1  0.248  0.161  0.106  1.0
  O  O23  1  0.263  0.362  0.894  1.0
  O  O24  1  0.506  0.911  0.170  1.0
  O  O25  1  0.507  0.404  0.661  1.0
  O  O26  1  0.495  0.589  0.330  1.0
  O  O27  1  0.495  0.096  0.843  1.0
  O  O28  1  0.735  0.644  0.101  1.0
  O  O29  1  0.716  0.877  0.913  1.0
  O  O30  1  0.754  0.140  0.620  1.0
  O  O31  1  0.758  0.355  0.382  1.0
  O  O32  1  0.758  0.843  0.391  1.0
  O  O33  1  0.735  0.614  0.584  1.0
  O  O34  1  0.756  0.352  0.887  1.0
  O  O35  1  0.766  0.150  0.100  1.0
  O  O36  1  0.009  0.583  0.864  1.0
  O  O37  1  0.005  0.082  0.337  1.0
[/CIF]
.
The crystal structure described by Ba7U7O24 is Orthorhombic Perovskite-like structured and crystallizes in the triclinic P1 space group. There are seven inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 5-coordinate geometry to one O(19), one O(2), one O(20), one O(7), and one O(8) atom. In the second Ba site, Ba(2) is bonded in a 11-coordinate geometry to one O(1), one O(10), one O(16), one O(17), one O(21), one O(22), one O(3), one O(5), one O(9), and two equivalent O(14) atoms. In the third Ba site, Ba(3) is bonded in a 10-coordinate geometry to one O(10), one O(12), one O(15), one O(16), one O(20), one O(3), one O(4), one O(7), and two equivalent O(23) atoms. In the fourth Ba site, Ba(4) is bonded in a 10-coordinate geometry to one O(14), one O(16), one O(17), one O(19), one O(20), one O(3), one O(7), one O(8), and two equivalent O(1) atoms. In the fifth Ba site, Ba(5) is bonded in a 5-coordinate geometry to one O(10), one O(13), one O(15), one O(21), one O(22), one O(9), and two equivalent O(2) atoms. In the sixth Ba site, Ba(6) is bonded in a 5-coordinate geometry to one O(15), one O(16), one O(24), one O(3), and one O(4) atom. In the seventh Ba site, Ba(7) is bonded in a 11-coordinate geometry to one O(10), one O(17), one O(18), one O(20), one O(21), one O(23), one O(5), one O(6), one O(7), and two equivalent O(12) atoms. There are seven inequivalent U sites. In the first U site, U(1) is bonded to one O(11), one O(13), one O(15), one O(19), one O(4), and one O(8) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 19-26°. In the second U site, U(2) is bonded to one O(11), one O(14), one O(16), one O(22), one O(3), and one O(9) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 21-28°. In the third U site, U(3) is bonded to one O(10), one O(12), one O(14), one O(17), one O(21), and one O(5) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 9-27°. In the fourth U site, U(4) is bonded to one O(12), one O(13), one O(18), one O(20), one O(6), and one O(7) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 10-27°. In the fifth U site, U(5) is bonded to one O(10), one O(15), one O(2), one O(21), one O(23), and one O(4) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 15-23°. In the sixth U site, U(6) is bonded to one O(18), one O(2), one O(22), one O(24), one O(6), and one O(9) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 10-28°. In the seventh U site, U(7) is bonded to one O(1), one O(17), one O(19), one O(24), one O(5), and one O(8) atom to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles range from 9-26°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one Ba(2), two equivalent Ba(4), and one U(7) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(5), one U(5), and one U(6) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(6), and one U(2) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ba(3), one Ba(6), one U(1), and one U(5) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(7), one U(3), and one U(7) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ba(7), one U(4), and one U(6) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Ba(7), and one U(4) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(4), one U(1), and one U(7) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(5), one U(2), and one U(6) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Ba(2), one Ba(3), one Ba(5), one Ba(7), one U(3), and one U(5) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one U(1) and one U(2) atom. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Ba(3), two equivalent Ba(7), one U(3), and one U(4) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Ba(5), one U(1), and one U(4) atom. In the fourteenth O site, O(14) is bonded in a 5-coordinate geometry to one Ba(4), two equivalent Ba(2), one U(2), and one U(3) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Ba(3), one Ba(5), one Ba(6), one U(1), and one U(5) atom. In the sixteenth O site, O(16) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(6), and one U(2) atom. In the seventeenth O site, O(17) is bonded in a distorted linear geometry to one Ba(2), one Ba(4), one Ba(7), one U(3), and one U(7) atom. In the eighteenth O site, O(18) is bonded in a distorted linear geometry to one Ba(7), one U(4), and one U(6) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(4), one U(1), and one U(7) atom. In the twentieth O site, O(20) is bonded in a 1-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Ba(7), and one U(4) atom. In the twenty-first O site, O(21) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(5), one Ba(7), one U(3), and one U(5) atom. In the twenty-second O site, O(22) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(5), one U(2), and one U(6) atom. In the twenty-third O site, O(23) is bonded in a 1-coordinate geometry to one Ba(7), two equivalent Ba(3), and one U(5) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one Ba(6), one U(6), and one U(7) atom. is represented by the CIF file [CIF]
data_Ba7U7O24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.221
_cell_length_b   10.680
_cell_length_c   10.736
_cell_angle_alpha   108.909
_cell_angle_beta   90.114
_cell_angle_gamma   89.988
_symmetry_Int_Tables_number   1
_cell_volume   674.836
_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
  Ba  Ba0  1  0.010  0.632  0.401  1.0
  Ba  Ba1  1  0.005  0.098  0.861  1.0
  Ba  Ba2  1  0.477  0.645  0.864  1.0
  Ba  Ba3  1  0.524  0.855  0.632  1.0
  Ba  Ba4  1  0.509  0.377  0.114  1.0
  Ba  Ba5  1  0.988  0.863  0.104  1.0
  Ba  Ba6  1  0.993  0.395  0.633  1.0
  U  U7  1  0.500  0.756  0.254  1.0
  U  U8  1  0.498  0.011  0.016  1.0
  U  U9  1  0.500  0.246  0.745  1.0
  U  U10  1  0.501  0.486  0.490  1.0
  U  U11  1  1.000  0.499  0.003  1.0
  U  U12  1  0.001  0.245  0.251  1.0
  U  U13  1  0.002  0.002  0.494  1.0
  O  O14  1  0.992  0.913  0.629  1.0
  O  O15  1  0.995  0.414  0.157  1.0
  O  O16  1  0.261  0.886  0.923  1.0
  O  O17  1  0.248  0.651  0.109  1.0
  O  O18  1  0.227  0.150  0.627  1.0
  O  O19  1  0.224  0.365  0.393  1.0
  O  O20  1  0.287  0.623  0.594  1.0
  O  O21  1  0.257  0.848  0.399  1.0
  O  O22  1  0.248  0.161  0.106  1.0
  O  O23  1  0.263  0.362  0.894  1.0
  O  O24  1  0.506  0.911  0.170  1.0
  O  O25  1  0.507  0.404  0.661  1.0
  O  O26  1  0.495  0.589  0.330  1.0
  O  O27  1  0.495  0.096  0.843  1.0
  O  O28  1  0.735  0.644  0.101  1.0
  O  O29  1  0.716  0.877  0.913  1.0
  O  O30  1  0.754  0.140  0.620  1.0
  O  O31  1  0.758  0.355  0.382  1.0
  O  O32  1  0.758  0.843  0.391  1.0
  O  O33  1  0.735  0.614  0.584  1.0
  O  O34  1  0.756  0.352  0.887  1.0
  O  O35  1  0.766  0.150  0.100  1.0
  O  O36  1  0.009  0.583  0.864  1.0
  O  O37  1  0.005  0.082  0.337  1.0
[/CIF]
.