The structure described by K3NaMg(RuO4)2 crystallizes in the monoclinic C2 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one O(3), one O(4), two equivalent O(1), and three equivalent O(2) atoms. In the second K site, K(2) is bonded in a 6-coordinate geometry to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Na(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form distorted NaO6 octahedra that share corners with six equivalent Ru(1)O4 tetrahedra. Mg(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(4) atoms. Ru(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form RuO4 tetrahedra that share corners with three equivalent Na(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-48°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to two equivalent K(1), one Na(1), one Mg(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one K(2), three equivalent K(1), one Na(1), and one Ru(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one K(1), one K(2), one Na(1), and one Ru(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one K(1), one K(2), one Mg(1), and one Ru(1) atom. is represented by the CIF card [CIF]
data_K3NaMg(RuO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.216
_cell_length_b   6.216
_cell_length_c   7.778
_cell_angle_alpha   90.111
_cell_angle_beta   89.889
_cell_angle_gamma   115.774
_symmetry_Int_Tables_number   1
_cell_volume   270.596
_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
  K  K0  1  0.715  0.358  0.331  1.0
  K  K1  1  0.865  0.865  0.000  1.0
  K  K2  1  0.358  0.715  0.669  1.0
  Na  Na3  1  0.015  0.015  0.500  1.0
  Mg  Mg4  1  0.344  0.344  0.000  1.0
  Ru  Ru5  1  0.697  0.335  0.765  1.0
  Ru  Ru6  1  0.335  0.697  0.235  1.0
  O  O7  1  0.223  0.353  0.238  1.0
  O  O8  1  0.624  0.844  0.333  1.0
  O  O9  1  0.111  0.790  0.297  1.0
  O  O10  1  0.844  0.624  0.667  1.0
  O  O11  1  0.790  0.111  0.703  1.0
  O  O12  1  0.353  0.223  0.762  1.0
  O  O13  1  0.671  0.371  0.006  1.0
  O  O14  1  0.371  0.671  0.994  1.0
[/CIF]
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The structure described by K3NaMg(RuO4)2 crystallizes in the monoclinic C2 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one O(3), one O(4), two equivalent O(1), and three equivalent O(2) atoms. In the second K site, K(2) is bonded in a 6-coordinate geometry to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Na(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form distorted NaO6 octahedra that share corners with six equivalent Ru(1)O4 tetrahedra. Mg(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(4) atoms. Ru(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form RuO4 tetrahedra that share corners with three equivalent Na(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-48°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to two equivalent K(1), one Na(1), one Mg(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one K(2), three equivalent K(1), one Na(1), and one Ru(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one K(1), one K(2), one Na(1), and one Ru(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one K(1), one K(2), one Mg(1), and one Ru(1) atom. is represented by the CIF card [CIF]
data_K3NaMg(RuO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.216
_cell_length_b   6.216
_cell_length_c   7.778
_cell_angle_alpha   90.111
_cell_angle_beta   89.889
_cell_angle_gamma   115.774
_symmetry_Int_Tables_number   1
_cell_volume   270.596
_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
  K  K0  1  0.715  0.358  0.331  1.0
  K  K1  1  0.865  0.865  0.000  1.0
  K  K2  1  0.358  0.715  0.669  1.0
  Na  Na3  1  0.015  0.015  0.500  1.0
  Mg  Mg4  1  0.344  0.344  0.000  1.0
  Ru  Ru5  1  0.697  0.335  0.765  1.0
  Ru  Ru6  1  0.335  0.697  0.235  1.0
  O  O7  1  0.223  0.353  0.238  1.0
  O  O8  1  0.624  0.844  0.333  1.0
  O  O9  1  0.111  0.790  0.297  1.0
  O  O10  1  0.844  0.624  0.667  1.0
  O  O11  1  0.790  0.111  0.703  1.0
  O  O12  1  0.353  0.223  0.762  1.0
  O  O13  1  0.671  0.371  0.006  1.0
  O  O14  1  0.371  0.671  0.994  1.0
[/CIF]
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