The crystal structure described by Ta6Mn2Zn3O20 crystallizes in the triclinic P1 space group. There are six inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(13), one O(15), one O(18), one O(3), one O(6), and one O(7) atom to form TaO6 octahedra that share  a cornercorner with one Ta(5)O6 octahedra,  a cornercorner with one Ta(6)O6 octahedra,  a cornercorner with one Zn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 trigonal pyramid,  an edgeedge with one Ta(3)O6 octahedra, and  an edgeedge with one Ta(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-58°. In the second Ta site, Ta(2) is bonded to one O(14), one O(16), one O(17), one O(4), one O(5), and one O(8) atom to form TaO6 octahedra that share  a cornercorner with one Ta(5)O6 octahedra,  a cornercorner with one Ta(6)O6 octahedra,  a cornercorner with one Zn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  an edgeedge with one Ta(3)O6 octahedra, and  an edgeedge with one Ta(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-58°. In the third Ta site, Ta(3) is bonded to one O(14), one O(15), one O(19), one O(2), one O(5), and one O(7) atom to form TaO6 octahedra that share  a cornercorner with one Ta(5)O6 octahedra,  a cornercorner with one Ta(6)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Zn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 trigonal pyramid,  an edgeedge with one Ta(1)O6 octahedra, and  an edgeedge with one Ta(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-58°. In the fourth Ta site, Ta(4) is bonded to one O(1), one O(13), one O(16), one O(20), one O(6), and one O(8) atom to form TaO6 octahedra that share  a cornercorner with one Ta(5)O6 octahedra,  a cornercorner with one Ta(6)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Zn(2)O6 octahedra,  an edgeedge with one Ta(1)O6 octahedra, and  an edgeedge with one Ta(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-56°. In the fifth Ta site, Ta(5) is bonded to one O(12), one O(17), one O(2), one O(20), one O(3), and one O(9) atom to form TaO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Zn(3)O4 trigonal pyramids,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Zn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-47°. In the sixth Ta site, Ta(6) is bonded to one O(1), one O(10), one O(11), one O(18), one O(19), and one O(4) atom to form TaO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Zn(2)O6 octahedra, and  an edgeedge with one Zn(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 39-46°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(12), one O(15), one O(17), one O(4), and one O(6) atom to form distorted MnO6 octahedra that share  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Ta(1)O6 octahedra, corners with two equivalent Ta(2)O6 octahedra,  a cornercorner with one Zn(3)O4 trigonal pyramid,  an edgeedge with one Ta(5)O6 octahedra,  an edgeedge with one Ta(6)O6 octahedra, and  an edgeedge with one Zn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-58°. In the second Mn site, Mn(2) is bonded to one O(11), one O(16), one O(18), one O(3), one O(5), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Ta(1)O6 octahedra, corners with two equivalent Ta(2)O6 octahedra,  an edgeedge with one Ta(5)O6 octahedra,  an edgeedge with one Ta(6)O6 octahedra, and  an edgeedge with one Zn(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 48-58°. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 6-coordinate geometry to one O(11), one O(13), one O(19), one O(2), one O(8), and one O(9) atom. In the second Zn site, Zn(2) is bonded to one O(1), one O(10), one O(12), one O(14), one O(20), and one O(7) atom to form distorted ZnO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra, corners with two equivalent Ta(3)O6 octahedra, corners with two equivalent Ta(4)O6 octahedra,  a cornercorner with one Zn(3)O4 trigonal pyramid,  an edgeedge with one Ta(5)O6 octahedra,  an edgeedge with one Ta(6)O6 octahedra, and  an edgeedge with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-58°. In the third Zn site, Zn(3) is bonded to one O(12), one O(18), one O(19), and one O(9) atom to form distorted ZnO4 trigonal pyramids that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Zn(2)O6 octahedra, corners with two equivalent Ta(5)O6 octahedra,  an edgeedge with one Ta(6)O6 octahedra, and  an edgeedge with one Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-69°. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Ta(4), one Ta(6), and one Zn(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Ta(3), one Ta(5), and one Zn(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Ta(1), one Ta(5), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Ta(2), one Ta(6), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Ta(2), one Ta(3), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Ta(1), one Ta(4), and one Mn(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Ta(1), one Ta(3), and one Zn(2) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Ta(2), one Ta(4), and one Zn(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Ta(5), one Mn(2), one Zn(1), and one Zn(3) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to one Ta(6), one Mn(1), and one Zn(2) atom. In the eleventh O site, O(11) is bonded in a trigonal non-coplanar geometry to one Ta(6), one Mn(2), and one Zn(1) atom. In the twelfth O site, O(12) is bonded in a distorted tetrahedral geometry to one Ta(5), one Mn(1), one Zn(2), and one Zn(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Ta(1), one Ta(4), and one Zn(1) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Ta(2), one Ta(3), and one Zn(2) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Ta(1), one Ta(3), and one Mn(1) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one Ta(2), one Ta(4), and one Mn(2) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Ta(2), one Ta(5), and one Mn(1) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Ta(1), one Ta(6), one Mn(2), and one Zn(3) atom. In the nineteenth O site, O(19) is bonded in a distorted rectangular see-saw-like geometry to one Ta(3), one Ta(6), one Zn(1), and one Zn(3) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Ta(4), one Ta(5), and one Zn(2) atom. is represented by the CIF file [CIF]
data_Ta6Mn2Zn3O20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.240
_cell_length_b   7.284
_cell_length_c   7.745
_cell_angle_alpha   75.664
_cell_angle_beta   75.975
_cell_angle_gamma   86.146
_symmetry_Int_Tables_number   1
_cell_volume   383.927
_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
  Ta  Ta0  1  0.659  0.143  0.382  1.0
  Ta  Ta1  1  0.166  0.633  0.385  1.0
  Ta  Ta2  1  0.846  0.333  0.624  1.0
  Ta  Ta3  1  0.361  0.828  0.617  1.0
  Ta  Ta4  1  0.507  0.498  0.999  1.0
  Ta  Ta5  1  0.027  0.980  0.998  1.0
  Mn  Mn6  1  0.186  0.192  0.238  1.0
  Mn  Mn7  1  0.711  0.662  0.242  1.0
  Zn  Zn8  1  0.837  0.779  0.750  1.0
  Zn  Zn9  1  0.304  0.310  0.765  1.0
  Zn  Zn10  1  0.591  0.013  0.997  1.0
  O  O11  1  0.249  0.979  0.795  1.0
  O  O12  1  0.744  0.491  0.799  1.0
  O  O13  1  0.640  0.383  0.202  1.0
  O  O14  1  0.144  0.875  0.205  1.0
  O  O15  1  0.892  0.576  0.418  1.0
  O  O16  1  0.389  0.075  0.414  1.0
  O  O17  1  0.588  0.288  0.591  1.0
  O  O18  1  0.100  0.784  0.584  1.0
  O  O19  1  0.555  0.752  0.004  1.0
  O  O20  1  0.075  0.237  0.994  1.0
  O  O21  1  0.924  0.746  0.988  1.0
  O  O22  1  0.441  0.236  0.995  1.0
  O  O23  1  0.633  0.893  0.591  1.0
  O  O24  1  0.126  0.389  0.590  1.0
  O  O25  1  0.913  0.188  0.419  1.0
  O  O26  1  0.424  0.686  0.412  1.0
  O  O27  1  0.267  0.489  0.200  1.0
  O  O28  1  0.755  0.995  0.194  1.0
  O  O29  1  0.848  0.095  0.810  1.0
  O  O30  1  0.366  0.588  0.799  1.0
[/CIF]
.
The crystal structure described by Ta6Mn2Zn3O20 crystallizes in the triclinic P1 space group. There are six inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(13), one O(15), one O(18), one O(3), one O(6), and one O(7) atom to form TaO6 octahedra that share  a cornercorner with one Ta(5)O6 octahedra,  a cornercorner with one Ta(6)O6 octahedra,  a cornercorner with one Zn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 trigonal pyramid,  an edgeedge with one Ta(3)O6 octahedra, and  an edgeedge with one Ta(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-58°. In the second Ta site, Ta(2) is bonded to one O(14), one O(16), one O(17), one O(4), one O(5), and one O(8) atom to form TaO6 octahedra that share  a cornercorner with one Ta(5)O6 octahedra,  a cornercorner with one Ta(6)O6 octahedra,  a cornercorner with one Zn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  an edgeedge with one Ta(3)O6 octahedra, and  an edgeedge with one Ta(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-58°. In the third Ta site, Ta(3) is bonded to one O(14), one O(15), one O(19), one O(2), one O(5), and one O(7) atom to form TaO6 octahedra that share  a cornercorner with one Ta(5)O6 octahedra,  a cornercorner with one Ta(6)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Zn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 trigonal pyramid,  an edgeedge with one Ta(1)O6 octahedra, and  an edgeedge with one Ta(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-58°. In the fourth Ta site, Ta(4) is bonded to one O(1), one O(13), one O(16), one O(20), one O(6), and one O(8) atom to form TaO6 octahedra that share  a cornercorner with one Ta(5)O6 octahedra,  a cornercorner with one Ta(6)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Zn(2)O6 octahedra,  an edgeedge with one Ta(1)O6 octahedra, and  an edgeedge with one Ta(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-56°. In the fifth Ta site, Ta(5) is bonded to one O(12), one O(17), one O(2), one O(20), one O(3), and one O(9) atom to form TaO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Zn(3)O4 trigonal pyramids,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Zn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-47°. In the sixth Ta site, Ta(6) is bonded to one O(1), one O(10), one O(11), one O(18), one O(19), and one O(4) atom to form TaO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Zn(2)O6 octahedra, and  an edgeedge with one Zn(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 39-46°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(12), one O(15), one O(17), one O(4), and one O(6) atom to form distorted MnO6 octahedra that share  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Ta(1)O6 octahedra, corners with two equivalent Ta(2)O6 octahedra,  a cornercorner with one Zn(3)O4 trigonal pyramid,  an edgeedge with one Ta(5)O6 octahedra,  an edgeedge with one Ta(6)O6 octahedra, and  an edgeedge with one Zn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-58°. In the second Mn site, Mn(2) is bonded to one O(11), one O(16), one O(18), one O(3), one O(5), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Ta(1)O6 octahedra, corners with two equivalent Ta(2)O6 octahedra,  an edgeedge with one Ta(5)O6 octahedra,  an edgeedge with one Ta(6)O6 octahedra, and  an edgeedge with one Zn(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 48-58°. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 6-coordinate geometry to one O(11), one O(13), one O(19), one O(2), one O(8), and one O(9) atom. In the second Zn site, Zn(2) is bonded to one O(1), one O(10), one O(12), one O(14), one O(20), and one O(7) atom to form distorted ZnO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra, corners with two equivalent Ta(3)O6 octahedra, corners with two equivalent Ta(4)O6 octahedra,  a cornercorner with one Zn(3)O4 trigonal pyramid,  an edgeedge with one Ta(5)O6 octahedra,  an edgeedge with one Ta(6)O6 octahedra, and  an edgeedge with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-58°. In the third Zn site, Zn(3) is bonded to one O(12), one O(18), one O(19), and one O(9) atom to form distorted ZnO4 trigonal pyramids that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Zn(2)O6 octahedra, corners with two equivalent Ta(5)O6 octahedra,  an edgeedge with one Ta(6)O6 octahedra, and  an edgeedge with one Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-69°. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Ta(4), one Ta(6), and one Zn(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Ta(3), one Ta(5), and one Zn(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Ta(1), one Ta(5), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Ta(2), one Ta(6), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Ta(2), one Ta(3), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Ta(1), one Ta(4), and one Mn(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Ta(1), one Ta(3), and one Zn(2) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Ta(2), one Ta(4), and one Zn(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Ta(5), one Mn(2), one Zn(1), and one Zn(3) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to one Ta(6), one Mn(1), and one Zn(2) atom. In the eleventh O site, O(11) is bonded in a trigonal non-coplanar geometry to one Ta(6), one Mn(2), and one Zn(1) atom. In the twelfth O site, O(12) is bonded in a distorted tetrahedral geometry to one Ta(5), one Mn(1), one Zn(2), and one Zn(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Ta(1), one Ta(4), and one Zn(1) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Ta(2), one Ta(3), and one Zn(2) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Ta(1), one Ta(3), and one Mn(1) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one Ta(2), one Ta(4), and one Mn(2) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Ta(2), one Ta(5), and one Mn(1) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Ta(1), one Ta(6), one Mn(2), and one Zn(3) atom. In the nineteenth O site, O(19) is bonded in a distorted rectangular see-saw-like geometry to one Ta(3), one Ta(6), one Zn(1), and one Zn(3) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one Ta(4), one Ta(5), and one Zn(2) atom. is represented by the CIF file [CIF]
data_Ta6Mn2Zn3O20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.240
_cell_length_b   7.284
_cell_length_c   7.745
_cell_angle_alpha   75.664
_cell_angle_beta   75.975
_cell_angle_gamma   86.146
_symmetry_Int_Tables_number   1
_cell_volume   383.927
_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
  Ta  Ta0  1  0.659  0.143  0.382  1.0
  Ta  Ta1  1  0.166  0.633  0.385  1.0
  Ta  Ta2  1  0.846  0.333  0.624  1.0
  Ta  Ta3  1  0.361  0.828  0.617  1.0
  Ta  Ta4  1  0.507  0.498  0.999  1.0
  Ta  Ta5  1  0.027  0.980  0.998  1.0
  Mn  Mn6  1  0.186  0.192  0.238  1.0
  Mn  Mn7  1  0.711  0.662  0.242  1.0
  Zn  Zn8  1  0.837  0.779  0.750  1.0
  Zn  Zn9  1  0.304  0.310  0.765  1.0
  Zn  Zn10  1  0.591  0.013  0.997  1.0
  O  O11  1  0.249  0.979  0.795  1.0
  O  O12  1  0.744  0.491  0.799  1.0
  O  O13  1  0.640  0.383  0.202  1.0
  O  O14  1  0.144  0.875  0.205  1.0
  O  O15  1  0.892  0.576  0.418  1.0
  O  O16  1  0.389  0.075  0.414  1.0
  O  O17  1  0.588  0.288  0.591  1.0
  O  O18  1  0.100  0.784  0.584  1.0
  O  O19  1  0.555  0.752  0.004  1.0
  O  O20  1  0.075  0.237  0.994  1.0
  O  O21  1  0.924  0.746  0.988  1.0
  O  O22  1  0.441  0.236  0.995  1.0
  O  O23  1  0.633  0.893  0.591  1.0
  O  O24  1  0.126  0.389  0.590  1.0
  O  O25  1  0.913  0.188  0.419  1.0
  O  O26  1  0.424  0.686  0.412  1.0
  O  O27  1  0.267  0.489  0.200  1.0
  O  O28  1  0.755  0.995  0.194  1.0
  O  O29  1  0.848  0.095  0.810  1.0
  O  O30  1  0.366  0.588  0.799  1.0
[/CIF]
.