The crystal structure described by Ba5Ru2O9Cl crystallizes in the orthorhombic Cmc2_1 space group. There are five inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one O(2), one O(6), two equivalent O(1), two equivalent O(5), and one Cl(1) atom. In the second Ba site, Ba(2) is bonded to one O(2), one O(6), two equivalent O(1), two equivalent O(3), two equivalent O(5), and four equivalent O(4) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(2)O12 cuboctahedra, faces with three equivalent Ru(1)O6 octahedra, and faces with three equivalent Ru(2)O6 octahedra. In the third Ba site, Ba(3) is bonded in a 8-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), two equivalent O(4), and one Cl(1) atom. In the fourth Ba site, Ba(4) is bonded in a 10-coordinate geometry to one O(3), two equivalent O(4), two equivalent O(6), four equivalent O(5), and one Cl(1) atom. In the fifth Ba site, Ba(5) is bonded in a 8-coordinate geometry to one O(2), one O(6), two equivalent O(1), two equivalent O(5), and two equivalent Cl(1) atoms. 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(4), and two equivalent O(5) atoms to form RuO6 octahedra that share faces with three equivalent Ba(2)O12 cuboctahedra and  a faceface with one Ru(2)O6 octahedra. In the second Ru site, Ru(2) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form RuO6 octahedra that share faces with three equivalent Ba(2)O12 cuboctahedra and  a faceface with one Ru(1)O6 octahedra. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), and one Ru(2) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(2), one Ba(5), two equivalent Ba(3), and one Ru(2) atom. In the third O site, O(3) is bonded to one Ba(3), one Ba(4), two equivalent Ba(2), one Ru(1), and one Ru(2) atom to form a mixture of distorted corner and face-sharing OBa4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 7-61°. In the fourth O site, O(4) is bonded to one Ba(3), one Ba(4), two equivalent Ba(2), one Ru(1), and one Ru(2) atom to form a mixture of distorted corner and face-sharing OBa4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 7-61°. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(5), two equivalent Ba(4), and one Ru(1) atom. In the sixth O site, O(6) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(2), one Ba(5), two equivalent Ba(4), and one Ru(1) atom. Cl(1) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), and two equivalent Ba(5) atoms. is represented by the CIF file [CIF]
data_Ba5Ru2ClO9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.190
_cell_length_b   6.190
_cell_length_c   18.327
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.758
_symmetry_Int_Tables_number   1
_cell_volume   603.397
_cell_formula_units_Z   2
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
  Ba  Ba0  1  0.158  0.842  0.018  1.0
  Ba  Ba1  1  0.842  0.158  0.518  1.0
  Ba  Ba2  1  0.832  0.168  0.746  1.0
  Ba  Ba3  1  0.168  0.832  0.246  1.0
  Ba  Ba4  1  0.490  0.510  0.344  1.0
  Ba  Ba5  1  0.510  0.490  0.844  1.0
  Ba  Ba6  1  0.493  0.507  0.649  1.0
  Ba  Ba7  1  0.829  0.171  0.974  1.0
  Ba  Ba8  1  0.507  0.493  0.149  1.0
  Ba  Ba9  1  0.171  0.829  0.474  1.0
  Ru  Ru10  1  0.174  0.826  0.671  1.0
  Ru  Ru11  1  0.161  0.839  0.821  1.0
  Ru  Ru12  1  0.826  0.174  0.171  1.0
  Ru  Ru13  1  0.839  0.161  0.321  1.0
  Cl  Cl14  1  0.457  0.543  0.996  1.0
  Cl  Cl15  1  0.543  0.457  0.496  1.0
  O  O16  1  0.462  0.010  0.881  1.0
  O  O17  1  0.003  0.997  0.876  1.0
  O  O18  1  0.683  0.317  0.251  1.0
  O  O19  1  0.319  0.133  0.744  1.0
  O  O20  1  0.010  0.462  0.381  1.0
  O  O21  1  0.990  0.538  0.881  1.0
  O  O22  1  0.035  0.514  0.615  1.0
  O  O23  1  0.027  0.973  0.609  1.0
  O  O24  1  0.514  0.035  0.115  1.0
  O  O25  1  0.867  0.681  0.744  1.0
  O  O26  1  0.681  0.867  0.244  1.0
  O  O27  1  0.133  0.319  0.244  1.0
  O  O28  1  0.997  0.003  0.376  1.0
  O  O29  1  0.317  0.683  0.751  1.0
  O  O30  1  0.486  0.965  0.615  1.0
  O  O31  1  0.965  0.486  0.115  1.0
  O  O32  1  0.538  0.990  0.381  1.0
  O  O33  1  0.973  0.027  0.109  1.0
[/CIF]
.
The crystal structure described by Ba5Ru2O9Cl crystallizes in the orthorhombic Cmc2_1 space group. There are five inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one O(2), one O(6), two equivalent O(1), two equivalent O(5), and one Cl(1) atom. In the second Ba site, Ba(2) is bonded to one O(2), one O(6), two equivalent O(1), two equivalent O(3), two equivalent O(5), and four equivalent O(4) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(2)O12 cuboctahedra, faces with three equivalent Ru(1)O6 octahedra, and faces with three equivalent Ru(2)O6 octahedra. In the third Ba site, Ba(3) is bonded in a 8-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), two equivalent O(4), and one Cl(1) atom. In the fourth Ba site, Ba(4) is bonded in a 10-coordinate geometry to one O(3), two equivalent O(4), two equivalent O(6), four equivalent O(5), and one Cl(1) atom. In the fifth Ba site, Ba(5) is bonded in a 8-coordinate geometry to one O(2), one O(6), two equivalent O(1), two equivalent O(5), and two equivalent Cl(1) atoms. 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(4), and two equivalent O(5) atoms to form RuO6 octahedra that share faces with three equivalent Ba(2)O12 cuboctahedra and  a faceface with one Ru(2)O6 octahedra. In the second Ru site, Ru(2) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form RuO6 octahedra that share faces with three equivalent Ba(2)O12 cuboctahedra and  a faceface with one Ru(1)O6 octahedra. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), and one Ru(2) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(2), one Ba(5), two equivalent Ba(3), and one Ru(2) atom. In the third O site, O(3) is bonded to one Ba(3), one Ba(4), two equivalent Ba(2), one Ru(1), and one Ru(2) atom to form a mixture of distorted corner and face-sharing OBa4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 7-61°. In the fourth O site, O(4) is bonded to one Ba(3), one Ba(4), two equivalent Ba(2), one Ru(1), and one Ru(2) atom to form a mixture of distorted corner and face-sharing OBa4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 7-61°. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(5), two equivalent Ba(4), and one Ru(1) atom. In the sixth O site, O(6) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(2), one Ba(5), two equivalent Ba(4), and one Ru(1) atom. Cl(1) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), and two equivalent Ba(5) atoms. is represented by the CIF file [CIF]
data_Ba5Ru2ClO9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.190
_cell_length_b   6.190
_cell_length_c   18.327
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.758
_symmetry_Int_Tables_number   1
_cell_volume   603.397
_cell_formula_units_Z   2
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
  Ba  Ba0  1  0.158  0.842  0.018  1.0
  Ba  Ba1  1  0.842  0.158  0.518  1.0
  Ba  Ba2  1  0.832  0.168  0.746  1.0
  Ba  Ba3  1  0.168  0.832  0.246  1.0
  Ba  Ba4  1  0.490  0.510  0.344  1.0
  Ba  Ba5  1  0.510  0.490  0.844  1.0
  Ba  Ba6  1  0.493  0.507  0.649  1.0
  Ba  Ba7  1  0.829  0.171  0.974  1.0
  Ba  Ba8  1  0.507  0.493  0.149  1.0
  Ba  Ba9  1  0.171  0.829  0.474  1.0
  Ru  Ru10  1  0.174  0.826  0.671  1.0
  Ru  Ru11  1  0.161  0.839  0.821  1.0
  Ru  Ru12  1  0.826  0.174  0.171  1.0
  Ru  Ru13  1  0.839  0.161  0.321  1.0
  Cl  Cl14  1  0.457  0.543  0.996  1.0
  Cl  Cl15  1  0.543  0.457  0.496  1.0
  O  O16  1  0.462  0.010  0.881  1.0
  O  O17  1  0.003  0.997  0.876  1.0
  O  O18  1  0.683  0.317  0.251  1.0
  O  O19  1  0.319  0.133  0.744  1.0
  O  O20  1  0.010  0.462  0.381  1.0
  O  O21  1  0.990  0.538  0.881  1.0
  O  O22  1  0.035  0.514  0.615  1.0
  O  O23  1  0.027  0.973  0.609  1.0
  O  O24  1  0.514  0.035  0.115  1.0
  O  O25  1  0.867  0.681  0.744  1.0
  O  O26  1  0.681  0.867  0.244  1.0
  O  O27  1  0.133  0.319  0.244  1.0
  O  O28  1  0.997  0.003  0.376  1.0
  O  O29  1  0.317  0.683  0.751  1.0
  O  O30  1  0.486  0.965  0.615  1.0
  O  O31  1  0.965  0.486  0.115  1.0
  O  O32  1  0.538  0.990  0.381  1.0
  O  O33  1  0.973  0.027  0.109  1.0
[/CIF]
.