The structure described by MgV5CoO12 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(11), one O(4), one O(7), and one O(8) atom to form distorted MgO6 pentagonal pyramids that share corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(3)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent V(5)O6 octahedra,  an edgeedge with one V(4)O4 tetrahedra, and  an edgeedge with one V(2)O5 trigonal bipyramid. There are five inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(2), one O(4), and one O(6) atom to form VO4 tetrahedra that share  a cornercorner with one V(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Mg(1)O6 pentagonal pyramids, and corners with two equivalent V(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 26-63°. In the second V site, V(2) is bonded to one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form VO5 trigonal bipyramids that share corners with two equivalent V(5)O6 octahedra,  a cornercorner with one V(3)O4 tetrahedra, corners with two equivalent V(1)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra, and  an edgeedge with one Mg(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 33-38°. In the third V site, V(3) is bonded to one O(10), one O(5), one O(7), and one O(9) atom to form VO4 tetrahedra that share  a cornercorner with one V(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Mg(1)O6 pentagonal pyramids, corners with two equivalent V(4)O4 tetrahedra, and  a cornercorner with one V(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 45-65°. In the fourth V site, V(4) is bonded to one O(11), one O(12), one O(7), and one O(9) atom to form distorted VO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent V(5)O6 octahedra, corners with two equivalent V(3)O4 tetrahedra, and  an edgeedge with one Mg(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 22-66°. In the fifth V site, V(5) is bonded to one O(1), one O(10), one O(11), one O(12), one O(3), and one O(8) atom to form VO6 octahedra that share  a cornercorner with one V(1)O4 tetrahedra,  a cornercorner with one V(3)O4 tetrahedra, corners with two equivalent V(4)O4 tetrahedra, corners with two equivalent V(2)O5 trigonal bipyramids, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Mg(1)O6 pentagonal pyramids. Co(1) is bonded to one O(1), one O(10), one O(12), one O(2), one O(3), and one O(5) atom to form distorted CoO6 octahedra that share  a cornercorner with one V(4)O4 tetrahedra, corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(3)O4 tetrahedra, edges with two equivalent V(5)O6 octahedra,  an edgeedge with one Mg(1)O6 pentagonal pyramid, and  an edgeedge with one V(2)O5 trigonal bipyramid. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one V(1), one V(5), and one Co(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one V(1) and one Co(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one V(2), one V(5), and one Co(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(1), and one V(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(2), one V(3), and one Co(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one V(1) and one V(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(3), and one V(4) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one V(2), and one V(5) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one V(3) and one V(4) atom. In the tenth O site, O(10) is bonded in a distorted tetrahedral geometry to one Mg(1), one V(3), one V(5), and one Co(1) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Mg(1), one V(4), and one V(5) atom. In the twelfth O site, O(12) is bonded in a trigonal non-coplanar geometry to one V(4), one V(5), and one Co(1) atom. is represented by the CIF card [CIF]
data_MgV5CoO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.112
_cell_length_b   6.990
_cell_length_c   5.569
_cell_angle_alpha   70.657
_cell_angle_beta   108.226
_cell_angle_gamma   102.748
_symmetry_Int_Tables_number   1
_cell_volume   246.001
_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  0.724  0.731  0.744  1.0
  V  V1  1  0.207  0.625  0.771  1.0
  V  V2  1  0.391  0.857  0.213  1.0
  V  V3  1  0.608  0.187  0.728  1.0
  V  V4  1  0.814  0.380  0.235  1.0
  V  V5  1  0.917  0.918  0.250  1.0
  Co  Co6  1  0.093  0.096  0.750  1.0
  O  O7  1  0.018  0.790  0.660  1.0
  O  O8  1  0.095  0.393  0.729  1.0
  O  O9  1  0.177  0.975  0.167  1.0
  O  O10  1  0.400  0.716  0.607  1.0
  O  O11  1  0.391  0.047  0.841  1.0
  O  O12  1  0.306  0.613  0.106  1.0
  O  O13  1  0.695  0.406  0.872  1.0
  O  O14  1  0.657  0.869  0.334  1.0
  O  O15  1  0.597  0.274  0.382  1.0
  O  O16  1  0.798  0.012  0.841  1.0
  O  O17  1  0.862  0.650  0.173  1.0
  O  O18  1  0.972  0.181  0.348  1.0
[/CIF]
.
The structure described by MgV5CoO12 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(11), one O(4), one O(7), and one O(8) atom to form distorted MgO6 pentagonal pyramids that share corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(3)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent V(5)O6 octahedra,  an edgeedge with one V(4)O4 tetrahedra, and  an edgeedge with one V(2)O5 trigonal bipyramid. There are five inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(2), one O(4), and one O(6) atom to form VO4 tetrahedra that share  a cornercorner with one V(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Mg(1)O6 pentagonal pyramids, and corners with two equivalent V(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 26-63°. In the second V site, V(2) is bonded to one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form VO5 trigonal bipyramids that share corners with two equivalent V(5)O6 octahedra,  a cornercorner with one V(3)O4 tetrahedra, corners with two equivalent V(1)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra, and  an edgeedge with one Mg(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 33-38°. In the third V site, V(3) is bonded to one O(10), one O(5), one O(7), and one O(9) atom to form VO4 tetrahedra that share  a cornercorner with one V(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Mg(1)O6 pentagonal pyramids, corners with two equivalent V(4)O4 tetrahedra, and  a cornercorner with one V(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 45-65°. In the fourth V site, V(4) is bonded to one O(11), one O(12), one O(7), and one O(9) atom to form distorted VO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent V(5)O6 octahedra, corners with two equivalent V(3)O4 tetrahedra, and  an edgeedge with one Mg(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 22-66°. In the fifth V site, V(5) is bonded to one O(1), one O(10), one O(11), one O(12), one O(3), and one O(8) atom to form VO6 octahedra that share  a cornercorner with one V(1)O4 tetrahedra,  a cornercorner with one V(3)O4 tetrahedra, corners with two equivalent V(4)O4 tetrahedra, corners with two equivalent V(2)O5 trigonal bipyramids, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Mg(1)O6 pentagonal pyramids. Co(1) is bonded to one O(1), one O(10), one O(12), one O(2), one O(3), and one O(5) atom to form distorted CoO6 octahedra that share  a cornercorner with one V(4)O4 tetrahedra, corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(3)O4 tetrahedra, edges with two equivalent V(5)O6 octahedra,  an edgeedge with one Mg(1)O6 pentagonal pyramid, and  an edgeedge with one V(2)O5 trigonal bipyramid. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one V(1), one V(5), and one Co(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one V(1) and one Co(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one V(2), one V(5), and one Co(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(1), and one V(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(2), one V(3), and one Co(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one V(1) and one V(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(3), and one V(4) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one V(2), and one V(5) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one V(3) and one V(4) atom. In the tenth O site, O(10) is bonded in a distorted tetrahedral geometry to one Mg(1), one V(3), one V(5), and one Co(1) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Mg(1), one V(4), and one V(5) atom. In the twelfth O site, O(12) is bonded in a trigonal non-coplanar geometry to one V(4), one V(5), and one Co(1) atom. is represented by the CIF card [CIF]
data_MgV5CoO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.112
_cell_length_b   6.990
_cell_length_c   5.569
_cell_angle_alpha   70.657
_cell_angle_beta   108.226
_cell_angle_gamma   102.748
_symmetry_Int_Tables_number   1
_cell_volume   246.001
_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  0.724  0.731  0.744  1.0
  V  V1  1  0.207  0.625  0.771  1.0
  V  V2  1  0.391  0.857  0.213  1.0
  V  V3  1  0.608  0.187  0.728  1.0
  V  V4  1  0.814  0.380  0.235  1.0
  V  V5  1  0.917  0.918  0.250  1.0
  Co  Co6  1  0.093  0.096  0.750  1.0
  O  O7  1  0.018  0.790  0.660  1.0
  O  O8  1  0.095  0.393  0.729  1.0
  O  O9  1  0.177  0.975  0.167  1.0
  O  O10  1  0.400  0.716  0.607  1.0
  O  O11  1  0.391  0.047  0.841  1.0
  O  O12  1  0.306  0.613  0.106  1.0
  O  O13  1  0.695  0.406  0.872  1.0
  O  O14  1  0.657  0.869  0.334  1.0
  O  O15  1  0.597  0.274  0.382  1.0
  O  O16  1  0.798  0.012  0.841  1.0
  O  O17  1  0.862  0.650  0.173  1.0
  O  O18  1  0.972  0.181  0.348  1.0
[/CIF]
.