The compound described by Co3Tl3O8 crystallizes in the triclinic P1 space group. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(12), one O(5), and one O(6) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra, corners with two equivalent Tl(5)O6 octahedra, and corners with two equivalent Co(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-81°. In the second Co site, Co(2) is bonded to one O(11), one O(14), one O(16), one O(2), one O(4), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Tl(5)O6 octahedra, corners with four equivalent Co(6)O6 octahedra,  a cornercorner with one Co(4)O4 tetrahedra, and  a faceface with one Tl(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-68°. In the third Co site, Co(3) is bonded to one O(1), one O(12), one O(13), one O(15), one O(3), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(6)O6 octahedra, corners with four equivalent Co(5)O6 octahedra, and  a cornercorner with one Co(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 32-40°. In the fourth Co site, Co(4) is bonded to one O(11), one O(5), one O(6), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra, corners with two equivalent Tl(5)O6 octahedra, and corners with two equivalent Co(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-73°. In the fifth Co site, Co(5) is bonded to one O(1), one O(13), one O(15), one O(3), one O(7), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with four equivalent Co(3)O6 octahedra, and  a cornercorner with one Co(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 32-40°. In the sixth Co site, Co(6) is bonded to one O(10), one O(14), one O(16), one O(2), one O(4), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(3)O6 octahedra, corners with four equivalent Co(2)O6 octahedra,  a cornercorner with one Co(1)O4 tetrahedra, and edges with two equivalent Tl(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-40°. There are six inequivalent Tl sites. In the first Tl site, Tl(1) is bonded in a 6-coordinate geometry to one O(13), one O(14), one O(15), one O(16), one O(7), and one O(8) atom. In the second Tl site, Tl(2) is bonded in a 6-coordinate geometry to one O(13), one O(14), one O(15), one O(16), one O(7), and one O(8) atom. In the third Tl site, Tl(3) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(13), one O(3), one O(5), and one O(9) atom. In the fourth Tl site, Tl(4) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(14), one O(2), one O(4), and one O(6) atom. In the fifth Tl site, Tl(5) is bonded to one O(10), one O(11), one O(16), one O(2), one O(4), and one O(5) atom to form distorted TlO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(1)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, edges with two equivalent Co(6)O6 octahedra, and  a faceface with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles are 68°. In the sixth Tl site, Tl(6) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(15), one O(3), one O(6), and one O(9) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Co(3), one Co(5), one Tl(3), and one Tl(6) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Co(2), one Co(6), one Tl(4), and one Tl(5) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Co(3), one Co(5), one Tl(3), and one Tl(6) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Co(2), one Co(6), one Tl(4), and one Tl(5) atom. In the fifth O site, O(5) is bonded to one Co(1), one Co(4), one Tl(3), and one Tl(5) atom to form corner-sharing OTl2Co2 tetrahedra. In the sixth O site, O(6) is bonded to one Co(1), one Co(4), one Tl(4), and one Tl(6) atom to form corner-sharing OTl2Co2 tetrahedra. In the seventh O site, O(7) is bonded to one Co(2), one Co(5), one Tl(1), and one Tl(2) atom to form distorted corner-sharing OTl2Co2 trigonal pyramids. In the eighth O site, O(8) is bonded to one Co(3), one Co(6), one Tl(1), and one Tl(2) atom to form distorted corner-sharing OTl2Co2 trigonal pyramids. In the ninth O site, O(9) is bonded to one Co(4), one Co(5), one Tl(3), and one Tl(6) atom to form distorted corner-sharing OTl2Co2 tetrahedra. In the tenth O site, O(10) is bonded to one Co(1), one Co(6), one Tl(4), and one Tl(5) atom to form distorted corner-sharing OTl2Co2 tetrahedra. In the eleventh O site, O(11) is bonded to one Co(2), one Co(4), one Tl(4), and one Tl(5) atom to form distorted corner-sharing OTl2Co2 trigonal pyramids. In the twelfth O site, O(12) is bonded to one Co(1), one Co(3), one Tl(3), and one Tl(6) atom to form distorted corner-sharing OTl2Co2 trigonal pyramids. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Co(3), one Co(5), one Tl(1), one Tl(2), and one Tl(3) atom. In the fourteenth O site, O(14) is bonded in a 5-coordinate geometry to one Co(2), one Co(6), one Tl(1), one Tl(2), and one Tl(4) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Co(3), one Co(5), one Tl(1), one Tl(2), and one Tl(6) atom. In the sixteenth O site, O(16) is bonded in a 5-coordinate geometry to one Co(2), one Co(6), one Tl(1), one Tl(2), and one Tl(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Tl3Co3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.590
_cell_length_b   11.332
_cell_length_c   5.581
_cell_angle_alpha   90.131
_cell_angle_beta   90.005
_cell_angle_gamma   90.040
_symmetry_Int_Tables_number   1
_cell_volume   353.532
_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
  Tl  Tl0  1  0.799  0.502  0.272  1.0
  Tl  Tl1  1  0.300  0.498  0.728  1.0
  Tl  Tl2  1  0.701  0.180  0.268  1.0
  Tl  Tl3  1  0.201  0.820  0.732  1.0
  Tl  Tl4  1  0.697  0.821  0.264  1.0
  Tl  Tl5  1  0.198  0.179  0.735  1.0
  Co  Co6  1  0.693  0.997  0.801  1.0
  Co  Co7  1  0.250  0.671  0.241  1.0
  Co  Co8  1  0.750  0.330  0.759  1.0
  Co  Co9  1  0.192  0.003  0.199  1.0
  Co  Co10  1  0.249  0.334  0.235  1.0
  Co  Co11  1  0.749  0.667  0.764  1.0
  O  O12  1  0.960  0.279  0.052  1.0
  O  O13  1  0.459  0.721  0.949  1.0
  O  O14  1  0.452  0.284  0.953  1.0
  O  O15  1  0.952  0.717  0.047  1.0
  O  O16  1  0.840  1.000  0.129  1.0
  O  O17  1  0.340  1.000  0.871  1.0
  O  O18  1  0.185  0.496  0.133  1.0
  O  O19  1  0.686  0.505  0.866  1.0
  O  O20  1  0.305  0.150  0.350  1.0
  O  O21  1  0.802  0.848  0.652  1.0
  O  O22  1  0.303  0.856  0.350  1.0
  O  O23  1  0.805  0.144  0.649  1.0
  O  O24  1  0.551  0.367  0.437  1.0
  O  O25  1  0.051  0.632  0.562  1.0
  O  O26  1  0.059  0.365  0.551  1.0
  O  O27  1  0.558  0.635  0.449  1.0
[/CIF]
.
The compound described by Co3Tl3O8 crystallizes in the triclinic P1 space group. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(12), one O(5), and one O(6) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra, corners with two equivalent Tl(5)O6 octahedra, and corners with two equivalent Co(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-81°. In the second Co site, Co(2) is bonded to one O(11), one O(14), one O(16), one O(2), one O(4), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Tl(5)O6 octahedra, corners with four equivalent Co(6)O6 octahedra,  a cornercorner with one Co(4)O4 tetrahedra, and  a faceface with one Tl(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-68°. In the third Co site, Co(3) is bonded to one O(1), one O(12), one O(13), one O(15), one O(3), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(6)O6 octahedra, corners with four equivalent Co(5)O6 octahedra, and  a cornercorner with one Co(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 32-40°. In the fourth Co site, Co(4) is bonded to one O(11), one O(5), one O(6), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra, corners with two equivalent Tl(5)O6 octahedra, and corners with two equivalent Co(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-73°. In the fifth Co site, Co(5) is bonded to one O(1), one O(13), one O(15), one O(3), one O(7), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with four equivalent Co(3)O6 octahedra, and  a cornercorner with one Co(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 32-40°. In the sixth Co site, Co(6) is bonded to one O(10), one O(14), one O(16), one O(2), one O(4), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(3)O6 octahedra, corners with four equivalent Co(2)O6 octahedra,  a cornercorner with one Co(1)O4 tetrahedra, and edges with two equivalent Tl(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-40°. There are six inequivalent Tl sites. In the first Tl site, Tl(1) is bonded in a 6-coordinate geometry to one O(13), one O(14), one O(15), one O(16), one O(7), and one O(8) atom. In the second Tl site, Tl(2) is bonded in a 6-coordinate geometry to one O(13), one O(14), one O(15), one O(16), one O(7), and one O(8) atom. In the third Tl site, Tl(3) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(13), one O(3), one O(5), and one O(9) atom. In the fourth Tl site, Tl(4) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(14), one O(2), one O(4), and one O(6) atom. In the fifth Tl site, Tl(5) is bonded to one O(10), one O(11), one O(16), one O(2), one O(4), and one O(5) atom to form distorted TlO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(1)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, edges with two equivalent Co(6)O6 octahedra, and  a faceface with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles are 68°. In the sixth Tl site, Tl(6) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(15), one O(3), one O(6), and one O(9) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Co(3), one Co(5), one Tl(3), and one Tl(6) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Co(2), one Co(6), one Tl(4), and one Tl(5) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Co(3), one Co(5), one Tl(3), and one Tl(6) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Co(2), one Co(6), one Tl(4), and one Tl(5) atom. In the fifth O site, O(5) is bonded to one Co(1), one Co(4), one Tl(3), and one Tl(5) atom to form corner-sharing OTl2Co2 tetrahedra. In the sixth O site, O(6) is bonded to one Co(1), one Co(4), one Tl(4), and one Tl(6) atom to form corner-sharing OTl2Co2 tetrahedra. In the seventh O site, O(7) is bonded to one Co(2), one Co(5), one Tl(1), and one Tl(2) atom to form distorted corner-sharing OTl2Co2 trigonal pyramids. In the eighth O site, O(8) is bonded to one Co(3), one Co(6), one Tl(1), and one Tl(2) atom to form distorted corner-sharing OTl2Co2 trigonal pyramids. In the ninth O site, O(9) is bonded to one Co(4), one Co(5), one Tl(3), and one Tl(6) atom to form distorted corner-sharing OTl2Co2 tetrahedra. In the tenth O site, O(10) is bonded to one Co(1), one Co(6), one Tl(4), and one Tl(5) atom to form distorted corner-sharing OTl2Co2 tetrahedra. In the eleventh O site, O(11) is bonded to one Co(2), one Co(4), one Tl(4), and one Tl(5) atom to form distorted corner-sharing OTl2Co2 trigonal pyramids. In the twelfth O site, O(12) is bonded to one Co(1), one Co(3), one Tl(3), and one Tl(6) atom to form distorted corner-sharing OTl2Co2 trigonal pyramids. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Co(3), one Co(5), one Tl(1), one Tl(2), and one Tl(3) atom. In the fourteenth O site, O(14) is bonded in a 5-coordinate geometry to one Co(2), one Co(6), one Tl(1), one Tl(2), and one Tl(4) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Co(3), one Co(5), one Tl(1), one Tl(2), and one Tl(6) atom. In the sixteenth O site, O(16) is bonded in a 5-coordinate geometry to one Co(2), one Co(6), one Tl(1), one Tl(2), and one Tl(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Tl3Co3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.590
_cell_length_b   11.332
_cell_length_c   5.581
_cell_angle_alpha   90.131
_cell_angle_beta   90.005
_cell_angle_gamma   90.040
_symmetry_Int_Tables_number   1
_cell_volume   353.532
_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
  Tl  Tl0  1  0.799  0.502  0.272  1.0
  Tl  Tl1  1  0.300  0.498  0.728  1.0
  Tl  Tl2  1  0.701  0.180  0.268  1.0
  Tl  Tl3  1  0.201  0.820  0.732  1.0
  Tl  Tl4  1  0.697  0.821  0.264  1.0
  Tl  Tl5  1  0.198  0.179  0.735  1.0
  Co  Co6  1  0.693  0.997  0.801  1.0
  Co  Co7  1  0.250  0.671  0.241  1.0
  Co  Co8  1  0.750  0.330  0.759  1.0
  Co  Co9  1  0.192  0.003  0.199  1.0
  Co  Co10  1  0.249  0.334  0.235  1.0
  Co  Co11  1  0.749  0.667  0.764  1.0
  O  O12  1  0.960  0.279  0.052  1.0
  O  O13  1  0.459  0.721  0.949  1.0
  O  O14  1  0.452  0.284  0.953  1.0
  O  O15  1  0.952  0.717  0.047  1.0
  O  O16  1  0.840  1.000  0.129  1.0
  O  O17  1  0.340  1.000  0.871  1.0
  O  O18  1  0.185  0.496  0.133  1.0
  O  O19  1  0.686  0.505  0.866  1.0
  O  O20  1  0.305  0.150  0.350  1.0
  O  O21  1  0.802  0.848  0.652  1.0
  O  O22  1  0.303  0.856  0.350  1.0
  O  O23  1  0.805  0.144  0.649  1.0
  O  O24  1  0.551  0.367  0.437  1.0
  O  O25  1  0.051  0.632  0.562  1.0
  O  O26  1  0.059  0.365  0.551  1.0
  O  O27  1  0.558  0.635  0.449  1.0
[/CIF]
.