The material structure described by MgAg4(RuO3)4 crystallizes in the orthorhombic Imm2 space group. Mg(1) is bonded to two equivalent Ag(1) and two equivalent Ag(2) atoms to form MgAg4 tetrahedra that share  an edgeedge with one O(3)Ag2Ru2 tetrahedra,  an edgeedge with one O(4)Ag2Ru2 tetrahedra, and edges with four equivalent O(1)Ag2Ru2 tetrahedra. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(3), one O(6), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles range from 44-45°. In the second Ru site, Ru(2) is bonded to one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles range from 44-46°. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 7-coordinate geometry to one Mg(1), one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms. In the second Ag site, Ag(2) is bonded in a 7-coordinate geometry to one Mg(1), one O(3), one O(6), two equivalent O(1), and two equivalent O(2) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Ru(1), one Ru(2), one Ag(1), and one Ag(2) atom to form distorted OAg2Ru2 tetrahedra that share corners with two equivalent O(3)Ag2Ru2 tetrahedra, corners with two equivalent O(4)Ag2Ru2 tetrahedra, corners with four equivalent O(1)Ag2Ru2 tetrahedra, and  an edgeedge with one Mg(1)Ag4 tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ru(1), one Ru(2), one Ag(1), and one Ag(2) atom. In the third O site, O(3) is bonded to two equivalent Ru(1) and two equivalent Ag(2) atoms to form distorted OAg2Ru2 tetrahedra that share corners with eight equivalent O(1)Ag2Ru2 tetrahedra and  an edgeedge with one Mg(1)Ag4 tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Ru(2) and two equivalent Ag(1) atoms to form distorted OAg2Ru2 tetrahedra that share corners with eight equivalent O(1)Ag2Ru2 tetrahedra and  an edgeedge with one Mg(1)Ag4 tetrahedra. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ru(2) and two equivalent Ag(1) atoms. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Ru(1) and two equivalent Ag(2) atoms. is represented by the CIF card [CIF]
data_MgAg4(RuO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.237
_cell_length_b   7.232
_cell_length_c   7.237
_cell_angle_alpha   60.020
_cell_angle_beta   90.007
_cell_angle_gamma   119.980
_symmetry_Int_Tables_number   1
_cell_volume   268.011
_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  0.129  0.250  0.129  1.0
  Ag  Ag1  1  0.580  0.553  0.974  1.0
  Ag  Ag2  1  0.975  0.949  0.975  1.0
  Ag  Ag3  1  0.975  0.551  0.975  1.0
  Ag  Ag4  1  0.974  0.947  0.580  1.0
  Ru  Ru5  1  0.500  0.001  0.999  1.0
  Ru  Ru6  1  0.500  0.000  0.500  1.0
  Ru  Ru7  1  0.500  0.500  0.500  1.0
  Ru  Ru8  1  0.999  0.499  0.500  1.0
  O  O9  1  0.823  0.250  0.427  1.0
  O  O10  1  0.571  0.142  0.179  1.0
  O  O11  1  0.571  0.750  0.179  1.0
  O  O12  1  0.823  0.250  0.823  1.0
  O  O13  1  0.823  0.647  0.427  1.0
  O  O14  1  0.426  0.250  0.426  1.0
  O  O15  1  0.571  0.750  0.571  1.0
  O  O16  1  0.179  0.750  0.179  1.0
  O  O17  1  0.179  0.358  0.571  1.0
  O  O18  1  0.427  0.250  0.823  1.0
  O  O19  1  0.427  0.853  0.823  1.0
  O  O20  1  0.179  0.750  0.571  1.0
[/CIF]
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The material structure described by MgAg4(RuO3)4 crystallizes in the orthorhombic Imm2 space group. Mg(1) is bonded to two equivalent Ag(1) and two equivalent Ag(2) atoms to form MgAg4 tetrahedra that share  an edgeedge with one O(3)Ag2Ru2 tetrahedra,  an edgeedge with one O(4)Ag2Ru2 tetrahedra, and edges with four equivalent O(1)Ag2Ru2 tetrahedra. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(3), one O(6), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles range from 44-45°. In the second Ru site, Ru(2) is bonded to one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles range from 44-46°. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 7-coordinate geometry to one Mg(1), one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms. In the second Ag site, Ag(2) is bonded in a 7-coordinate geometry to one Mg(1), one O(3), one O(6), two equivalent O(1), and two equivalent O(2) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Ru(1), one Ru(2), one Ag(1), and one Ag(2) atom to form distorted OAg2Ru2 tetrahedra that share corners with two equivalent O(3)Ag2Ru2 tetrahedra, corners with two equivalent O(4)Ag2Ru2 tetrahedra, corners with four equivalent O(1)Ag2Ru2 tetrahedra, and  an edgeedge with one Mg(1)Ag4 tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ru(1), one Ru(2), one Ag(1), and one Ag(2) atom. In the third O site, O(3) is bonded to two equivalent Ru(1) and two equivalent Ag(2) atoms to form distorted OAg2Ru2 tetrahedra that share corners with eight equivalent O(1)Ag2Ru2 tetrahedra and  an edgeedge with one Mg(1)Ag4 tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Ru(2) and two equivalent Ag(1) atoms to form distorted OAg2Ru2 tetrahedra that share corners with eight equivalent O(1)Ag2Ru2 tetrahedra and  an edgeedge with one Mg(1)Ag4 tetrahedra. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ru(2) and two equivalent Ag(1) atoms. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Ru(1) and two equivalent Ag(2) atoms. is represented by the CIF card [CIF]
data_MgAg4(RuO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.237
_cell_length_b   7.232
_cell_length_c   7.237
_cell_angle_alpha   60.020
_cell_angle_beta   90.007
_cell_angle_gamma   119.980
_symmetry_Int_Tables_number   1
_cell_volume   268.011
_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  0.129  0.250  0.129  1.0
  Ag  Ag1  1  0.580  0.553  0.974  1.0
  Ag  Ag2  1  0.975  0.949  0.975  1.0
  Ag  Ag3  1  0.975  0.551  0.975  1.0
  Ag  Ag4  1  0.974  0.947  0.580  1.0
  Ru  Ru5  1  0.500  0.001  0.999  1.0
  Ru  Ru6  1  0.500  0.000  0.500  1.0
  Ru  Ru7  1  0.500  0.500  0.500  1.0
  Ru  Ru8  1  0.999  0.499  0.500  1.0
  O  O9  1  0.823  0.250  0.427  1.0
  O  O10  1  0.571  0.142  0.179  1.0
  O  O11  1  0.571  0.750  0.179  1.0
  O  O12  1  0.823  0.250  0.823  1.0
  O  O13  1  0.823  0.647  0.427  1.0
  O  O14  1  0.426  0.250  0.426  1.0
  O  O15  1  0.571  0.750  0.571  1.0
  O  O16  1  0.179  0.750  0.179  1.0
  O  O17  1  0.179  0.358  0.571  1.0
  O  O18  1  0.427  0.250  0.823  1.0
  O  O19  1  0.427  0.853  0.823  1.0
  O  O20  1  0.179  0.750  0.571  1.0
[/CIF]
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