The material described by MgV(TeO3)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(11), one O(12), one O(3), one O(4), and one O(7) atom to form distorted MgO6 octahedra that share corners with two equivalent Te(1)O6 octahedra, corners with four equivalent V(1)O6 octahedra,  a cornercorner with one Te(2)O5 square pyramid, and  a faceface with one Te(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 36-55°. V(1) is bonded to one O(1), one O(11), one O(4), one O(7), one O(8), and one O(9) atom to form distorted VO6 octahedra that share corners with four equivalent Mg(1)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and edges with two equivalent Te(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 36-55°. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(8) atom to form TeO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra and  an edgeedge with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-49°. In the second Te site, Te(2) is bonded to one O(1), one O(12), one O(4), one O(7), and one O(9) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Mg(1)O6 octahedra, edges with two equivalent V(1)O6 octahedra, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles are 54°. In the third Te site, Te(3) is bonded in a rectangular see-saw-like geometry to one O(12), one O(2), one O(6), and one O(9) atom. In the fourth Te site, Te(4) is bonded in a 5-coordinate geometry to one O(10), one O(3), one O(5), one O(6), and one O(8) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mg(1), one V(1), and one Te(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Te(1) and one Te(3) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mg(1), one Te(1), and one Te(4) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mg(1), one V(1), and one Te(2) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Te(1) and one Te(4) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Te(3) and one Te(4) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Mg(1), one V(1), and one Te(2) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one V(1), one Te(1), and one Te(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one V(1), one Te(2), and one Te(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Te(1) and one Te(4) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(1), and one Te(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Mg(1), one Te(2), and one Te(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgV(TeO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.672
_cell_length_b   10.391
_cell_length_c   10.366
_cell_angle_alpha   28.631
_cell_angle_beta   57.136
_cell_angle_gamma   58.274
_symmetry_Int_Tables_number   1
_cell_volume   244.018
_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  0.816  0.543  0.742  1.0
  V  V1  1  0.346  0.061  0.231  1.0
  Te  Te2  1  0.954  0.905  0.081  1.0
  Te  Te3  1  0.065  0.631  0.858  1.0
  Te  Te4  1  0.437  0.125  0.501  1.0
  Te  Te5  1  0.478  0.446  0.513  1.0
  O  O6  1  0.437  0.405  0.970  1.0
  O  O7  1  0.098  0.000  0.785  1.0
  O  O8  1  0.049  0.244  0.823  1.0
  O  O9  1  0.992  0.277  0.105  1.0
  O  O10  1  0.320  0.699  0.198  1.0
  O  O11  1  0.626  0.191  0.569  1.0
  O  O12  1  0.162  0.721  0.570  1.0
  O  O13  1  0.561  0.073  0.005  1.0
  O  O14  1  0.273  0.982  0.503  1.0
  O  O15  1  0.861  0.585  0.290  1.0
  O  O16  1  0.751  0.822  0.367  1.0
  O  O17  1  0.647  0.780  0.748  1.0
[/CIF]
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The material described by MgV(TeO3)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(11), one O(12), one O(3), one O(4), and one O(7) atom to form distorted MgO6 octahedra that share corners with two equivalent Te(1)O6 octahedra, corners with four equivalent V(1)O6 octahedra,  a cornercorner with one Te(2)O5 square pyramid, and  a faceface with one Te(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 36-55°. V(1) is bonded to one O(1), one O(11), one O(4), one O(7), one O(8), and one O(9) atom to form distorted VO6 octahedra that share corners with four equivalent Mg(1)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and edges with two equivalent Te(2)O5 square pyramids. The corner-sharing octahedral tilt angles range from 36-55°. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(8) atom to form TeO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra and  an edgeedge with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-49°. In the second Te site, Te(2) is bonded to one O(1), one O(12), one O(4), one O(7), and one O(9) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Mg(1)O6 octahedra, edges with two equivalent V(1)O6 octahedra, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles are 54°. In the third Te site, Te(3) is bonded in a rectangular see-saw-like geometry to one O(12), one O(2), one O(6), and one O(9) atom. In the fourth Te site, Te(4) is bonded in a 5-coordinate geometry to one O(10), one O(3), one O(5), one O(6), and one O(8) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mg(1), one V(1), and one Te(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Te(1) and one Te(3) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mg(1), one Te(1), and one Te(4) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mg(1), one V(1), and one Te(2) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Te(1) and one Te(4) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Te(3) and one Te(4) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Mg(1), one V(1), and one Te(2) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one V(1), one Te(1), and one Te(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one V(1), one Te(2), and one Te(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Te(1) and one Te(4) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(1), and one Te(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Mg(1), one Te(2), and one Te(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgV(TeO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.672
_cell_length_b   10.391
_cell_length_c   10.366
_cell_angle_alpha   28.631
_cell_angle_beta   57.136
_cell_angle_gamma   58.274
_symmetry_Int_Tables_number   1
_cell_volume   244.018
_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  0.816  0.543  0.742  1.0
  V  V1  1  0.346  0.061  0.231  1.0
  Te  Te2  1  0.954  0.905  0.081  1.0
  Te  Te3  1  0.065  0.631  0.858  1.0
  Te  Te4  1  0.437  0.125  0.501  1.0
  Te  Te5  1  0.478  0.446  0.513  1.0
  O  O6  1  0.437  0.405  0.970  1.0
  O  O7  1  0.098  0.000  0.785  1.0
  O  O8  1  0.049  0.244  0.823  1.0
  O  O9  1  0.992  0.277  0.105  1.0
  O  O10  1  0.320  0.699  0.198  1.0
  O  O11  1  0.626  0.191  0.569  1.0
  O  O12  1  0.162  0.721  0.570  1.0
  O  O13  1  0.561  0.073  0.005  1.0
  O  O14  1  0.273  0.982  0.503  1.0
  O  O15  1  0.861  0.585  0.290  1.0
  O  O16  1  0.751  0.822  0.367  1.0
  O  O17  1  0.647  0.780  0.748  1.0
[/CIF]
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