The material structure described by Mg(AgO2)2 is Spinel-like structured and crystallizes in the trigonal P3m1 space group. There are six inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(10) and three equivalent O(1) atoms to form MgO4 tetrahedra that share corners with three equivalent Mg(3)O6 octahedra, corners with three equivalent Ag(4)O6 octahedra, and corners with six equivalent Ag(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the second Mg site, Mg(2) is bonded to one O(2) and three equivalent O(4) atoms to form MgO4 tetrahedra that share corners with three equivalent Ag(1)O6 octahedra, corners with three equivalent Ag(3)O6 octahedra, and corners with six equivalent Ag(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the third Mg site, Mg(3) is bonded to three equivalent O(1) and three equivalent O(11) atoms to form MgO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Ag(6)O4 tetrahedra, edges with three equivalent Ag(1)O6 octahedra, and edges with three equivalent Ag(4)O6 octahedra. In the fourth Mg site, Mg(4) is bonded to one O(6) and three equivalent O(8) atoms to form MgO4 tetrahedra that share corners with three equivalent Ag(2)O6 octahedra, corners with three equivalent Ag(5)O6 octahedra, and corners with six equivalent Ag(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-59°. In the fifth Mg site, Mg(5) is bonded to one O(9) and three equivalent O(3) atoms to form MgO4 tetrahedra that share corners with three equivalent Ag(2)O6 octahedra, corners with three equivalent Ag(3)O6 octahedra, and corners with six equivalent Ag(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-57°. In the sixth Mg site, Mg(6) is bonded to one O(12) and three equivalent O(7) atoms to form MgO4 tetrahedra that share corners with three equivalent Ag(4)O6 octahedra, corners with three equivalent Ag(5)O6 octahedra, and corners with six equivalent Ag(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-57°. There are six inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one O(2), one O(5), two equivalent O(1), and two equivalent O(3) atoms to form AgO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Ag(6)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mg(5)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Ag(3)O6 octahedra, and edges with four equivalent Ag(1)O6 octahedra. In the second Ag site, Ag(2) is bonded to one O(6), one O(9), two equivalent O(4), and two equivalent O(7) atoms to form AgO6 octahedra that share  a cornercorner with one Mg(4)O4 tetrahedra,  a cornercorner with one Mg(5)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Ag(3)O6 octahedra,  an edgeedge with one Ag(5)O6 octahedra, and edges with four equivalent Ag(2)O6 octahedra. In the third Ag site, Ag(3) is bonded to three equivalent O(3) and three equivalent O(4) atoms to form AgO6 octahedra that share corners with three equivalent Mg(2)O4 tetrahedra, corners with three equivalent Mg(5)O4 tetrahedra, edges with three equivalent Ag(1)O6 octahedra, and edges with three equivalent Ag(2)O6 octahedra. In the fourth Ag site, Ag(4) is bonded to one O(10), one O(12), two equivalent O(11), and two equivalent O(8) atoms to form AgO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mg(6)O4 tetrahedra, corners with two equivalent Mg(4)O4 tetrahedra, corners with two equivalent Ag(6)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Ag(5)O6 octahedra, and edges with four equivalent Ag(4)O6 octahedra. In the fifth Ag site, Ag(5) is bonded to three equivalent O(7) and three equivalent O(8) atoms to form AgO6 octahedra that share corners with three equivalent Mg(4)O4 tetrahedra, corners with three equivalent Mg(6)O4 tetrahedra, edges with three equivalent Ag(2)O6 octahedra, and edges with three equivalent Ag(4)O6 octahedra. In the sixth Ag site, Ag(6) is bonded to one O(5) and three equivalent O(11) atoms to form AgO4 tetrahedra that share corners with three equivalent Mg(3)O6 octahedra, corners with three equivalent Ag(1)O6 octahedra, and corners with six equivalent Ag(4)O6 octahedra. The corner-sharing octahedral tilt angles are 60°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(3), and two equivalent Ag(1) atoms. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mg(2) and three equivalent Ag(1) atoms. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Mg(5), one Ag(3), and two equivalent Ag(1) atoms. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Mg(2), one Ag(3), and two equivalent Ag(2) atoms. In the fifth O site, O(5) is bonded to one Ag(6) and three equivalent Ag(1) atoms to form distorted corner-sharing OAg4 tetrahedra. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(4) and three equivalent Ag(2) atoms. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(6), one Ag(5), and two equivalent Ag(2) atoms. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mg(4), one Ag(5), and two equivalent Ag(4) atoms. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Mg(5) and three equivalent Ag(2) atoms. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1) and three equivalent Ag(4) atoms. In the eleventh O site, O(11) is bonded to one Mg(3), one Ag(6), and two equivalent Ag(4) atoms to form distorted OMgAg3 tetrahedra that share  a cornercorner with one O(5)Ag4 tetrahedra, corners with two equivalent O(11)MgAg3 tetrahedra, and edges with two equivalent O(11)MgAg3 tetrahedra. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Mg(6) and three equivalent Ag(4) atoms. is represented by the CIF file [CIF]
data_Mg(AgO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.414
_cell_length_b   6.414
_cell_length_c   15.462
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   550.800
_cell_formula_units_Z   6
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  0.333  0.667  0.952  1.0
  Mg  Mg1  1  0.000  0.000  0.625  1.0
  Mg  Mg2  1  0.000  0.000  0.998  1.0
  Mg  Mg3  1  0.667  0.333  0.286  1.0
  Mg  Mg4  1  0.333  0.667  0.711  1.0
  Mg  Mg5  1  0.000  0.000  0.378  1.0
  Ag  Ag6  1  0.836  0.672  0.834  1.0
  Ag  Ag7  1  0.328  0.164  0.834  1.0
  Ag  Ag8  1  0.500  0.001  0.500  1.0
  Ag  Ag9  1  0.836  0.164  0.834  1.0
  Ag  Ag10  1  0.667  0.333  0.667  1.0
  Ag  Ag11  1  0.999  0.500  0.500  1.0
  Ag  Ag12  1  0.165  0.331  0.165  1.0
  Ag  Ag13  1  0.500  0.500  0.500  1.0
  Ag  Ag14  1  0.165  0.835  0.165  1.0
  Ag  Ag15  1  0.333  0.667  0.334  1.0
  Ag  Ag16  1  0.669  0.835  0.165  1.0
  Ag  Ag17  1  0.667  0.333  0.043  1.0
  O  O18  1  0.690  0.845  0.919  1.0
  O  O19  1  0.000  0.000  0.756  1.0
  O  O20  1  0.155  0.845  0.919  1.0
  O  O21  1  0.155  0.310  0.919  1.0
  O  O22  1  0.506  0.011  0.755  1.0
  O  O23  1  0.343  0.172  0.582  1.0
  O  O24  1  0.506  0.494  0.755  1.0
  O  O25  1  0.667  0.333  0.905  1.0
  O  O26  1  0.828  0.172  0.582  1.0
  O  O27  1  0.667  0.333  0.417  1.0
  O  O28  1  0.989  0.494  0.755  1.0
  O  O29  1  0.828  0.657  0.582  1.0
  O  O30  1  0.172  0.345  0.418  1.0
  O  O31  1  0.019  0.509  0.241  1.0
  O  O32  1  0.172  0.828  0.418  1.0
  O  O33  1  0.333  0.667  0.580  1.0
  O  O34  1  0.333  0.667  0.083  1.0
  O  O35  1  0.491  0.509  0.241  1.0
  O  O36  1  0.655  0.828  0.418  1.0
  O  O37  1  0.491  0.981  0.241  1.0
  O  O38  1  0.855  0.709  0.089  1.0
  O  O39  1  0.000  0.000  0.250  1.0
  O  O40  1  0.855  0.145  0.089  1.0
  O  O41  1  0.291  0.145  0.089  1.0
[/CIF]
.
The material structure described by Mg(AgO2)2 is Spinel-like structured and crystallizes in the trigonal P3m1 space group. There are six inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(10) and three equivalent O(1) atoms to form MgO4 tetrahedra that share corners with three equivalent Mg(3)O6 octahedra, corners with three equivalent Ag(4)O6 octahedra, and corners with six equivalent Ag(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the second Mg site, Mg(2) is bonded to one O(2) and three equivalent O(4) atoms to form MgO4 tetrahedra that share corners with three equivalent Ag(1)O6 octahedra, corners with three equivalent Ag(3)O6 octahedra, and corners with six equivalent Ag(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the third Mg site, Mg(3) is bonded to three equivalent O(1) and three equivalent O(11) atoms to form MgO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Ag(6)O4 tetrahedra, edges with three equivalent Ag(1)O6 octahedra, and edges with three equivalent Ag(4)O6 octahedra. In the fourth Mg site, Mg(4) is bonded to one O(6) and three equivalent O(8) atoms to form MgO4 tetrahedra that share corners with three equivalent Ag(2)O6 octahedra, corners with three equivalent Ag(5)O6 octahedra, and corners with six equivalent Ag(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-59°. In the fifth Mg site, Mg(5) is bonded to one O(9) and three equivalent O(3) atoms to form MgO4 tetrahedra that share corners with three equivalent Ag(2)O6 octahedra, corners with three equivalent Ag(3)O6 octahedra, and corners with six equivalent Ag(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-57°. In the sixth Mg site, Mg(6) is bonded to one O(12) and three equivalent O(7) atoms to form MgO4 tetrahedra that share corners with three equivalent Ag(4)O6 octahedra, corners with three equivalent Ag(5)O6 octahedra, and corners with six equivalent Ag(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-57°. There are six inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one O(2), one O(5), two equivalent O(1), and two equivalent O(3) atoms to form AgO6 octahedra that share  a cornercorner with one Mg(2)O4 tetrahedra,  a cornercorner with one Ag(6)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mg(5)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Ag(3)O6 octahedra, and edges with four equivalent Ag(1)O6 octahedra. In the second Ag site, Ag(2) is bonded to one O(6), one O(9), two equivalent O(4), and two equivalent O(7) atoms to form AgO6 octahedra that share  a cornercorner with one Mg(4)O4 tetrahedra,  a cornercorner with one Mg(5)O4 tetrahedra, corners with two equivalent Mg(2)O4 tetrahedra, corners with two equivalent Mg(6)O4 tetrahedra,  an edgeedge with one Ag(3)O6 octahedra,  an edgeedge with one Ag(5)O6 octahedra, and edges with four equivalent Ag(2)O6 octahedra. In the third Ag site, Ag(3) is bonded to three equivalent O(3) and three equivalent O(4) atoms to form AgO6 octahedra that share corners with three equivalent Mg(2)O4 tetrahedra, corners with three equivalent Mg(5)O4 tetrahedra, edges with three equivalent Ag(1)O6 octahedra, and edges with three equivalent Ag(2)O6 octahedra. In the fourth Ag site, Ag(4) is bonded to one O(10), one O(12), two equivalent O(11), and two equivalent O(8) atoms to form AgO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mg(6)O4 tetrahedra, corners with two equivalent Mg(4)O4 tetrahedra, corners with two equivalent Ag(6)O4 tetrahedra,  an edgeedge with one Mg(3)O6 octahedra,  an edgeedge with one Ag(5)O6 octahedra, and edges with four equivalent Ag(4)O6 octahedra. In the fifth Ag site, Ag(5) is bonded to three equivalent O(7) and three equivalent O(8) atoms to form AgO6 octahedra that share corners with three equivalent Mg(4)O4 tetrahedra, corners with three equivalent Mg(6)O4 tetrahedra, edges with three equivalent Ag(2)O6 octahedra, and edges with three equivalent Ag(4)O6 octahedra. In the sixth Ag site, Ag(6) is bonded to one O(5) and three equivalent O(11) atoms to form AgO4 tetrahedra that share corners with three equivalent Mg(3)O6 octahedra, corners with three equivalent Ag(1)O6 octahedra, and corners with six equivalent Ag(4)O6 octahedra. The corner-sharing octahedral tilt angles are 60°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mg(3), and two equivalent Ag(1) atoms. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mg(2) and three equivalent Ag(1) atoms. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Mg(5), one Ag(3), and two equivalent Ag(1) atoms. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Mg(2), one Ag(3), and two equivalent Ag(2) atoms. In the fifth O site, O(5) is bonded to one Ag(6) and three equivalent Ag(1) atoms to form distorted corner-sharing OAg4 tetrahedra. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(4) and three equivalent Ag(2) atoms. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(6), one Ag(5), and two equivalent Ag(2) atoms. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mg(4), one Ag(5), and two equivalent Ag(4) atoms. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Mg(5) and three equivalent Ag(2) atoms. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1) and three equivalent Ag(4) atoms. In the eleventh O site, O(11) is bonded to one Mg(3), one Ag(6), and two equivalent Ag(4) atoms to form distorted OMgAg3 tetrahedra that share  a cornercorner with one O(5)Ag4 tetrahedra, corners with two equivalent O(11)MgAg3 tetrahedra, and edges with two equivalent O(11)MgAg3 tetrahedra. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Mg(6) and three equivalent Ag(4) atoms. is represented by the CIF file [CIF]
data_Mg(AgO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.414
_cell_length_b   6.414
_cell_length_c   15.462
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   550.800
_cell_formula_units_Z   6
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  0.333  0.667  0.952  1.0
  Mg  Mg1  1  0.000  0.000  0.625  1.0
  Mg  Mg2  1  0.000  0.000  0.998  1.0
  Mg  Mg3  1  0.667  0.333  0.286  1.0
  Mg  Mg4  1  0.333  0.667  0.711  1.0
  Mg  Mg5  1  0.000  0.000  0.378  1.0
  Ag  Ag6  1  0.836  0.672  0.834  1.0
  Ag  Ag7  1  0.328  0.164  0.834  1.0
  Ag  Ag8  1  0.500  0.001  0.500  1.0
  Ag  Ag9  1  0.836  0.164  0.834  1.0
  Ag  Ag10  1  0.667  0.333  0.667  1.0
  Ag  Ag11  1  0.999  0.500  0.500  1.0
  Ag  Ag12  1  0.165  0.331  0.165  1.0
  Ag  Ag13  1  0.500  0.500  0.500  1.0
  Ag  Ag14  1  0.165  0.835  0.165  1.0
  Ag  Ag15  1  0.333  0.667  0.334  1.0
  Ag  Ag16  1  0.669  0.835  0.165  1.0
  Ag  Ag17  1  0.667  0.333  0.043  1.0
  O  O18  1  0.690  0.845  0.919  1.0
  O  O19  1  0.000  0.000  0.756  1.0
  O  O20  1  0.155  0.845  0.919  1.0
  O  O21  1  0.155  0.310  0.919  1.0
  O  O22  1  0.506  0.011  0.755  1.0
  O  O23  1  0.343  0.172  0.582  1.0
  O  O24  1  0.506  0.494  0.755  1.0
  O  O25  1  0.667  0.333  0.905  1.0
  O  O26  1  0.828  0.172  0.582  1.0
  O  O27  1  0.667  0.333  0.417  1.0
  O  O28  1  0.989  0.494  0.755  1.0
  O  O29  1  0.828  0.657  0.582  1.0
  O  O30  1  0.172  0.345  0.418  1.0
  O  O31  1  0.019  0.509  0.241  1.0
  O  O32  1  0.172  0.828  0.418  1.0
  O  O33  1  0.333  0.667  0.580  1.0
  O  O34  1  0.333  0.667  0.083  1.0
  O  O35  1  0.491  0.509  0.241  1.0
  O  O36  1  0.655  0.828  0.418  1.0
  O  O37  1  0.491  0.981  0.241  1.0
  O  O38  1  0.855  0.709  0.089  1.0
  O  O39  1  0.000  0.000  0.250  1.0
  O  O40  1  0.855  0.145  0.089  1.0
  O  O41  1  0.291  0.145  0.089  1.0
[/CIF]
.