The crystal structure described by MgV4Tl4(TeO5)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 4-coordinate geometry to one O(11), one O(14), one O(18), one O(3), and one O(5) atom. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(12), one O(14), one O(19), one O(3), one O(5), and one O(6) atom to form corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles range from 34-49°. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(2), one O(20), one O(8), and one O(9) atom. In the third V site, V(3) is bonded to one O(13), one O(18), one O(3), one O(4), one O(6), and one O(7) atom to form distorted corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles range from 34-49°. In the fourth V site, V(4) is bonded in a distorted octahedral geometry to one O(1), one O(10), one O(15), one O(16), one O(17), and one O(9) atom. There are four inequivalent Tl sites. In the first Tl site, Tl(1) is bonded in a distorted water-like geometry to one O(17) and one O(2) atom. In the second Tl site, Tl(2) is bonded in a 2-coordinate geometry to one O(15) and one O(2) atom. In the third Tl site, Tl(3) is bonded in a 4-coordinate geometry to one O(12), one O(19), one O(4), and one O(9) atom. In the fourth Tl site, Tl(4) is bonded in a 4-coordinate geometry to one O(12), one O(13), one O(3), and one O(4) atom. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted rectangular see-saw-like geometry to one O(15), one O(2), one O(20), and one O(7) atom. In the second Te site, Te(2) is bonded in a 5-coordinate geometry to one O(16), one O(19), one O(20), one O(4), and one O(7) atom. In the third Te site, Te(3) is bonded in a 4-coordinate geometry to one O(10), one O(12), one O(13), and one O(14) atom. In the fourth Te site, Te(4) is bonded in a 5-coordinate geometry to one O(10), one O(11), one O(14), one O(17), and one O(18) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one V(2) and one V(4) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one V(2), one Tl(1), one Tl(2), and one Te(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Mg(1), one V(1), one V(3), and one Tl(4) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one V(3), one Tl(3), one Tl(4), and one Te(2) atom. In the fifth O site, O(5) is bonded in an L-shaped geometry to one Mg(1) and one V(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one V(1) and one V(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one V(3), one Te(1), and one Te(2) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one V(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one V(2), one V(4), and one Tl(3) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one V(4), one Te(3), and one Te(4) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mg(1), one V(2), and one Te(4) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one V(1), one Tl(3), one Tl(4), and one Te(3) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one V(3), one Tl(4), and one Te(3) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Mg(1), one V(1), one Te(3), and one Te(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one V(4), one Tl(2), and one Te(1) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one V(4) and one Te(2) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one V(4), one Tl(1), and one Te(4) atom. In the eighteenth O site, O(18) is bonded in a distorted water-like geometry to one Mg(1), one V(3), and one Te(4) atom. In the nineteenth O site, O(19) is bonded in a 2-coordinate geometry to one V(1), one Tl(3), and one Te(2) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one V(2), one Te(1), and one Te(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgTl4V4(TeO5)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.235
_cell_length_b   7.831
_cell_length_c   9.182
_cell_angle_alpha   87.608
_cell_angle_beta   89.103
_cell_angle_gamma   90.220
_symmetry_Int_Tables_number   1
_cell_volume   519.732
_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
  Mg  Mg0  1  0.084  0.019  0.102  1.0
  Tl  Tl1  1  0.928  0.866  0.825  1.0
  Tl  Tl2  1  0.474  0.905  0.610  1.0
  Tl  Tl3  1  0.509  0.395  0.421  1.0
  Tl  Tl4  1  0.013  0.435  0.110  1.0
  V  V5  1  0.302  0.781  0.248  1.0
  V  V6  1  0.195  0.295  0.770  1.0
  V  V7  1  0.801  0.793  0.251  1.0
  V  V8  1  0.706  0.283  0.756  1.0
  Te  Te9  1  0.985  0.107  0.474  1.0
  Te  Te10  1  0.012  0.600  0.531  1.0
  Te  Te11  1  0.521  0.599  0.979  1.0
  Te  Te12  1  0.501  0.098  0.039  1.0
  O  O13  1  0.954  0.231  0.827  1.0
  O  O14  1  0.135  0.022  0.624  1.0
  O  O15  1  0.059  0.761  0.163  1.0
  O  O16  1  0.866  0.553  0.367  1.0
  O  O17  1  0.261  0.001  0.276  1.0
  O  O18  1  0.572  0.785  0.310  1.0
  O  O19  1  0.902  0.867  0.434  1.0
  O  O20  1  0.211  0.494  0.832  1.0
  O  O21  1  0.422  0.256  0.703  1.0
  O  O22  1  0.609  0.361  0.960  1.0
  O  O23  1  0.253  0.155  0.960  1.0
  O  O24  1  0.375  0.548  0.150  1.0
  O  O25  1  0.745  0.659  0.080  1.0
  O  O26  1  0.402  0.859  0.045  1.0
  O  O27  1  0.758  0.143  0.581  1.0
  O  O28  1  0.726  0.487  0.682  1.0
  O  O29  1  0.630  0.049  0.865  1.0
  O  O30  1  0.818  0.001  0.168  1.0
  O  O31  1  0.243  0.654  0.430  1.0
  O  O32  1  0.100  0.362  0.568  1.0
[/CIF]
.
The crystal structure described by MgV4Tl4(TeO5)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 4-coordinate geometry to one O(11), one O(14), one O(18), one O(3), and one O(5) atom. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(12), one O(14), one O(19), one O(3), one O(5), and one O(6) atom to form corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles range from 34-49°. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(2), one O(20), one O(8), and one O(9) atom. In the third V site, V(3) is bonded to one O(13), one O(18), one O(3), one O(4), one O(6), and one O(7) atom to form distorted corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles range from 34-49°. In the fourth V site, V(4) is bonded in a distorted octahedral geometry to one O(1), one O(10), one O(15), one O(16), one O(17), and one O(9) atom. There are four inequivalent Tl sites. In the first Tl site, Tl(1) is bonded in a distorted water-like geometry to one O(17) and one O(2) atom. In the second Tl site, Tl(2) is bonded in a 2-coordinate geometry to one O(15) and one O(2) atom. In the third Tl site, Tl(3) is bonded in a 4-coordinate geometry to one O(12), one O(19), one O(4), and one O(9) atom. In the fourth Tl site, Tl(4) is bonded in a 4-coordinate geometry to one O(12), one O(13), one O(3), and one O(4) atom. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted rectangular see-saw-like geometry to one O(15), one O(2), one O(20), and one O(7) atom. In the second Te site, Te(2) is bonded in a 5-coordinate geometry to one O(16), one O(19), one O(20), one O(4), and one O(7) atom. In the third Te site, Te(3) is bonded in a 4-coordinate geometry to one O(10), one O(12), one O(13), and one O(14) atom. In the fourth Te site, Te(4) is bonded in a 5-coordinate geometry to one O(10), one O(11), one O(14), one O(17), and one O(18) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one V(2) and one V(4) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one V(2), one Tl(1), one Tl(2), and one Te(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Mg(1), one V(1), one V(3), and one Tl(4) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one V(3), one Tl(3), one Tl(4), and one Te(2) atom. In the fifth O site, O(5) is bonded in an L-shaped geometry to one Mg(1) and one V(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one V(1) and one V(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one V(3), one Te(1), and one Te(2) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one V(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one V(2), one V(4), and one Tl(3) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one V(4), one Te(3), and one Te(4) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mg(1), one V(2), and one Te(4) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one V(1), one Tl(3), one Tl(4), and one Te(3) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one V(3), one Tl(4), and one Te(3) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Mg(1), one V(1), one Te(3), and one Te(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one V(4), one Tl(2), and one Te(1) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one V(4) and one Te(2) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one V(4), one Tl(1), and one Te(4) atom. In the eighteenth O site, O(18) is bonded in a distorted water-like geometry to one Mg(1), one V(3), and one Te(4) atom. In the nineteenth O site, O(19) is bonded in a 2-coordinate geometry to one V(1), one Tl(3), and one Te(2) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one V(2), one Te(1), and one Te(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgTl4V4(TeO5)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.235
_cell_length_b   7.831
_cell_length_c   9.182
_cell_angle_alpha   87.608
_cell_angle_beta   89.103
_cell_angle_gamma   90.220
_symmetry_Int_Tables_number   1
_cell_volume   519.732
_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
  Mg  Mg0  1  0.084  0.019  0.102  1.0
  Tl  Tl1  1  0.928  0.866  0.825  1.0
  Tl  Tl2  1  0.474  0.905  0.610  1.0
  Tl  Tl3  1  0.509  0.395  0.421  1.0
  Tl  Tl4  1  0.013  0.435  0.110  1.0
  V  V5  1  0.302  0.781  0.248  1.0
  V  V6  1  0.195  0.295  0.770  1.0
  V  V7  1  0.801  0.793  0.251  1.0
  V  V8  1  0.706  0.283  0.756  1.0
  Te  Te9  1  0.985  0.107  0.474  1.0
  Te  Te10  1  0.012  0.600  0.531  1.0
  Te  Te11  1  0.521  0.599  0.979  1.0
  Te  Te12  1  0.501  0.098  0.039  1.0
  O  O13  1  0.954  0.231  0.827  1.0
  O  O14  1  0.135  0.022  0.624  1.0
  O  O15  1  0.059  0.761  0.163  1.0
  O  O16  1  0.866  0.553  0.367  1.0
  O  O17  1  0.261  0.001  0.276  1.0
  O  O18  1  0.572  0.785  0.310  1.0
  O  O19  1  0.902  0.867  0.434  1.0
  O  O20  1  0.211  0.494  0.832  1.0
  O  O21  1  0.422  0.256  0.703  1.0
  O  O22  1  0.609  0.361  0.960  1.0
  O  O23  1  0.253  0.155  0.960  1.0
  O  O24  1  0.375  0.548  0.150  1.0
  O  O25  1  0.745  0.659  0.080  1.0
  O  O26  1  0.402  0.859  0.045  1.0
  O  O27  1  0.758  0.143  0.581  1.0
  O  O28  1  0.726  0.487  0.682  1.0
  O  O29  1  0.630  0.049  0.865  1.0
  O  O30  1  0.818  0.001  0.168  1.0
  O  O31  1  0.243  0.654  0.430  1.0
  O  O32  1  0.100  0.362  0.568  1.0
[/CIF]
.