The material structure described by MgV2(RhO4)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom to form MgO6 octahedra that share corners with two equivalent Rh(2)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with two equivalent Rh(1)O6 octahedra, and  a faceface with one Rh(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form VO6 octahedra that share corners with four equivalent Rh(2)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra, and edges with two equivalent Rh(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-58°. In the second V site, V(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form RhO6 octahedra that share corners with four equivalent Rh(2)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra, and edges with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-57°. In the second Rh site, Rh(2) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one O(8) atom to form distorted RhO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with four equivalent V(1)O6 octahedra, corners with four equivalent Rh(1)O6 octahedra, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-58°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one V(1), one V(2), and one Rh(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one V(2), one Rh(1), and one Rh(2) atom. In the third O site, O(3) is bonded to one Mg(1), one V(1), one V(2), and one Rh(1) atom to form distorted OMgV2Rh trigonal pyramids that share  a cornercorner with one O(7)MgV2Rh trigonal pyramid,  a cornercorner with one O(8)MgVRh2 trigonal pyramid,  an edgeedge with one O(7)MgV2Rh trigonal pyramid, and  an edgeedge with one O(8)MgVRh2 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one V(1), one Rh(1), and one Rh(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(1), one V(2), and one Rh(1) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Mg(1), one V(1), one Rh(1), and one Rh(2) atom. In the seventh O site, O(7) is bonded to one Mg(1), one V(1), one V(2), and one Rh(2) atom to form distorted OMgV2Rh trigonal pyramids that share  a cornercorner with one O(3)MgV2Rh trigonal pyramid,  a cornercorner with one O(8)MgVRh2 trigonal pyramid,  an edgeedge with one O(3)MgV2Rh trigonal pyramid, and  an edgeedge with one O(8)MgVRh2 trigonal pyramid. In the eighth O site, O(8) is bonded to one Mg(1), one V(2), one Rh(1), and one Rh(2) atom to form a mixture of distorted corner and edge-sharing OMgVRh2 trigonal pyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgV2(RhO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.581
_cell_length_b   5.624
_cell_length_c   5.741
_cell_angle_alpha   73.475
_cell_angle_beta   106.754
_cell_angle_gamma   65.109
_symmetry_Int_Tables_number   1
_cell_volume   138.389
_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  0.264  0.243  0.995  1.0
  V  V1  1  0.256  0.230  0.498  1.0
  V  V2  1  0.991  0.948  0.022  1.0
  Rh  Rh3  1  0.759  0.743  0.500  1.0
  Rh  Rh4  1  0.528  0.513  0.997  1.0
  O  O5  1  0.555  0.220  0.825  1.0
  O  O6  1  0.068  0.710  0.836  1.0
  O  O7  1  0.991  0.284  0.665  1.0
  O  O8  1  0.492  0.813  0.679  1.0
  O  O9  1  0.025  0.682  0.313  1.0
  O  O10  1  0.531  0.202  0.333  1.0
  O  O11  1  0.988  0.248  0.171  1.0
  O  O12  1  0.434  0.794  0.166  1.0
[/CIF]
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The material structure described by MgV2(RhO4)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom to form MgO6 octahedra that share corners with two equivalent Rh(2)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with two equivalent Rh(1)O6 octahedra, and  a faceface with one Rh(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form VO6 octahedra that share corners with four equivalent Rh(2)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra, and edges with two equivalent Rh(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-58°. In the second V site, V(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form RhO6 octahedra that share corners with four equivalent Rh(2)O6 octahedra, edges with two equivalent Mg(1)O6 octahedra, and edges with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-57°. In the second Rh site, Rh(2) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one O(8) atom to form distorted RhO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with four equivalent V(1)O6 octahedra, corners with four equivalent Rh(1)O6 octahedra, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-58°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one V(1), one V(2), and one Rh(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one V(2), one Rh(1), and one Rh(2) atom. In the third O site, O(3) is bonded to one Mg(1), one V(1), one V(2), and one Rh(1) atom to form distorted OMgV2Rh trigonal pyramids that share  a cornercorner with one O(7)MgV2Rh trigonal pyramid,  a cornercorner with one O(8)MgVRh2 trigonal pyramid,  an edgeedge with one O(7)MgV2Rh trigonal pyramid, and  an edgeedge with one O(8)MgVRh2 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one V(1), one Rh(1), and one Rh(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(1), one V(2), and one Rh(1) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Mg(1), one V(1), one Rh(1), and one Rh(2) atom. In the seventh O site, O(7) is bonded to one Mg(1), one V(1), one V(2), and one Rh(2) atom to form distorted OMgV2Rh trigonal pyramids that share  a cornercorner with one O(3)MgV2Rh trigonal pyramid,  a cornercorner with one O(8)MgVRh2 trigonal pyramid,  an edgeedge with one O(3)MgV2Rh trigonal pyramid, and  an edgeedge with one O(8)MgVRh2 trigonal pyramid. In the eighth O site, O(8) is bonded to one Mg(1), one V(2), one Rh(1), and one Rh(2) atom to form a mixture of distorted corner and edge-sharing OMgVRh2 trigonal pyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgV2(RhO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.581
_cell_length_b   5.624
_cell_length_c   5.741
_cell_angle_alpha   73.475
_cell_angle_beta   106.754
_cell_angle_gamma   65.109
_symmetry_Int_Tables_number   1
_cell_volume   138.389
_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  0.264  0.243  0.995  1.0
  V  V1  1  0.256  0.230  0.498  1.0
  V  V2  1  0.991  0.948  0.022  1.0
  Rh  Rh3  1  0.759  0.743  0.500  1.0
  Rh  Rh4  1  0.528  0.513  0.997  1.0
  O  O5  1  0.555  0.220  0.825  1.0
  O  O6  1  0.068  0.710  0.836  1.0
  O  O7  1  0.991  0.284  0.665  1.0
  O  O8  1  0.492  0.813  0.679  1.0
  O  O9  1  0.025  0.682  0.313  1.0
  O  O10  1  0.531  0.202  0.333  1.0
  O  O11  1  0.988  0.248  0.171  1.0
  O  O12  1  0.434  0.794  0.166  1.0
[/CIF]
.