The material structure described by Ba6Y3Co3(Cu3O11)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 11-coordinate geometry to one O(1), one O(11), one O(2), two equivalent O(10), two equivalent O(4), two equivalent O(7), and two equivalent O(8) atoms. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one O(2), one O(3), two equivalent O(11), two equivalent O(5), two equivalent O(8), and two equivalent O(9) atoms. In the third Ba site, Ba(3) is bonded in a 11-coordinate geometry to one O(1), one O(11), one O(3), two equivalent O(10), two equivalent O(6), two equivalent O(7), and two equivalent O(9) atoms. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a body-centered cubic geometry to one O(1), one O(3), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. In the second Y site, Y(2) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(3), and four equivalent O(6) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(8), one O(9), and two equivalent O(11) atoms to form CoO5 square pyramids that share  a cornercorner with one Cu(2)O5 square pyramid,  a cornercorner with one Cu(3)O5 square pyramid, and corners with two equivalent Co(1)O5 square pyramids. In the second Co site, Co(2) is bonded in a square co-planar geometry to two equivalent O(10) and two equivalent O(7) atoms. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(4), one O(6), one O(7), and two equivalent O(1) atoms to form corner-sharing CuO5 square pyramids. In the second Cu site, Cu(2) is bonded to one O(4), one O(5), one O(8), and two equivalent O(2) atoms to form distorted CuO5 square pyramids that share  a cornercorner with one Co(1)O5 square pyramid,  a cornercorner with one Cu(1)O5 square pyramid,  a cornercorner with one Cu(3)O5 square pyramid, and corners with two equivalent Cu(2)O5 square pyramids. In the third Cu site, Cu(3) is bonded to one O(5), one O(6), one O(9), and two equivalent O(3) atoms to form CuO5 square pyramids that share  a cornercorner with one Co(1)O5 square pyramid,  a cornercorner with one Cu(1)O5 square pyramid,  a cornercorner with one Cu(2)O5 square pyramid, and corners with two equivalent Cu(3)O5 square pyramids. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(3), one Y(1), one Y(2), and two equivalent Cu(1) atoms. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(2), two equivalent Y(1), and two equivalent Cu(2) atoms. In the third O site, O(3) is bonded in a 6-coordinate geometry to one Ba(2), one Ba(3), one Y(1), one Y(2), and two equivalent Cu(3) atoms. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Y(1), one Cu(1), and one Cu(2) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to two equivalent Ba(2), two equivalent Y(1), one Cu(2), and one Cu(3) atom. In the sixth O site, O(6) is bonded in a 6-coordinate geometry to two equivalent Ba(3), two equivalent Y(2), one Cu(1), and one Cu(3) atom. In the seventh O site, O(7) is bonded to two equivalent Ba(1), two equivalent Ba(3), one Co(2), and one Cu(1) atom to form a mixture of distorted corner and edge-sharing OBa4CoCu octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the eighth O site, O(8) is bonded to two equivalent Ba(1), two equivalent Ba(2), one Co(1), and one Cu(2) atom to form a mixture of distorted corner and edge-sharing OBa4CoCu octahedra. The corner-sharing octahedral tilt angles range from 13-18°. In the ninth O site, O(9) is bonded to two equivalent Ba(2), two equivalent Ba(3), one Co(1), and one Cu(3) atom to form a mixture of distorted corner and edge-sharing OBa4CoCu octahedra. The corner-sharing octahedral tilt angles range from 13-18°. In the tenth O site, O(10) is bonded in a distorted linear geometry to two equivalent Ba(1), two equivalent Ba(3), one Co(1), and one Co(2) atom. In the eleventh O site, O(11) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(3), two equivalent Ba(2), and two equivalent Co(1) atoms. is represented by the CIF file [CIF]
data_Ba6Y3Co3(Cu3O11)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.895
_cell_length_b   11.792
_cell_length_c   12.390
_cell_angle_alpha   71.535
_cell_angle_beta   89.943
_cell_angle_gamma   89.960
_symmetry_Int_Tables_number   1
_cell_volume   539.753
_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
  Ba  Ba0  1  0.505  0.231  0.818  1.0
  Ba  Ba1  1  0.500  0.561  0.817  1.0
  Ba  Ba2  1  0.495  0.890  0.818  1.0
  Ba  Ba3  1  0.500  0.439  0.183  1.0
  Ba  Ba4  1  0.495  0.769  0.182  1.0
  Ba  Ba5  1  0.505  0.110  0.182  1.0
  Y  Y6  1  0.500  0.332  0.501  1.0
  Y  Y7  1  0.500  0.668  0.499  1.0
  Y  Y8  1  0.500  0.000  0.500  1.0
  Co  Co9  1  0.008  0.318  0.000  1.0
  Co  Co10  1  0.992  0.682  1.000  1.0
  Co  Co11  1  0.000  0.000  0.000  1.0
  Cu  Cu12  1  0.000  0.118  0.647  1.0
  Cu  Cu13  1  0.001  0.454  0.640  1.0
  Cu  Cu14  1  0.999  0.786  0.641  1.0
  Cu  Cu15  1  0.001  0.214  0.359  1.0
  Cu  Cu16  1  0.999  0.546  0.360  1.0
  Cu  Cu17  1  1.000  0.882  0.353  1.0
  O  O18  1  0.500  0.126  0.620  1.0
  O  O19  1  0.501  0.459  0.621  1.0
  O  O20  1  0.499  0.794  0.621  1.0
  O  O21  1  0.001  0.294  0.624  1.0
  O  O22  1  1.000  0.627  0.620  1.0
  O  O23  1  0.999  0.958  0.622  1.0
  O  O24  1  0.501  0.206  0.379  1.0
  O  O25  1  0.499  0.541  0.379  1.0
  O  O26  1  0.500  0.874  0.380  1.0
  O  O27  1  0.000  0.373  0.380  1.0
  O  O28  1  0.999  0.706  0.376  1.0
  O  O29  1  0.001  0.042  0.378  1.0
  O  O30  1  0.001  0.053  0.842  1.0
  O  O31  1  0.003  0.393  0.847  1.0
  O  O32  1  0.996  0.708  0.847  1.0
  O  O33  1  0.004  0.292  0.153  1.0
  O  O34  1  0.997  0.607  0.153  1.0
  O  O35  1  0.999  0.947  0.158  1.0
  O  O36  1  0.028  0.155  0.001  1.0
  O  O37  1  0.972  0.845  0.999  1.0
  O  O38  1  0.507  0.346  1.000  1.0
  O  O39  1  0.493  0.654  0.000  1.0
[/CIF]
.
The material structure described by Ba6Y3Co3(Cu3O11)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 11-coordinate geometry to one O(1), one O(11), one O(2), two equivalent O(10), two equivalent O(4), two equivalent O(7), and two equivalent O(8) atoms. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one O(2), one O(3), two equivalent O(11), two equivalent O(5), two equivalent O(8), and two equivalent O(9) atoms. In the third Ba site, Ba(3) is bonded in a 11-coordinate geometry to one O(1), one O(11), one O(3), two equivalent O(10), two equivalent O(6), two equivalent O(7), and two equivalent O(9) atoms. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a body-centered cubic geometry to one O(1), one O(3), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. In the second Y site, Y(2) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(3), and four equivalent O(6) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(8), one O(9), and two equivalent O(11) atoms to form CoO5 square pyramids that share  a cornercorner with one Cu(2)O5 square pyramid,  a cornercorner with one Cu(3)O5 square pyramid, and corners with two equivalent Co(1)O5 square pyramids. In the second Co site, Co(2) is bonded in a square co-planar geometry to two equivalent O(10) and two equivalent O(7) atoms. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(4), one O(6), one O(7), and two equivalent O(1) atoms to form corner-sharing CuO5 square pyramids. In the second Cu site, Cu(2) is bonded to one O(4), one O(5), one O(8), and two equivalent O(2) atoms to form distorted CuO5 square pyramids that share  a cornercorner with one Co(1)O5 square pyramid,  a cornercorner with one Cu(1)O5 square pyramid,  a cornercorner with one Cu(3)O5 square pyramid, and corners with two equivalent Cu(2)O5 square pyramids. In the third Cu site, Cu(3) is bonded to one O(5), one O(6), one O(9), and two equivalent O(3) atoms to form CuO5 square pyramids that share  a cornercorner with one Co(1)O5 square pyramid,  a cornercorner with one Cu(1)O5 square pyramid,  a cornercorner with one Cu(2)O5 square pyramid, and corners with two equivalent Cu(3)O5 square pyramids. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(3), one Y(1), one Y(2), and two equivalent Cu(1) atoms. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(2), two equivalent Y(1), and two equivalent Cu(2) atoms. In the third O site, O(3) is bonded in a 6-coordinate geometry to one Ba(2), one Ba(3), one Y(1), one Y(2), and two equivalent Cu(3) atoms. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Y(1), one Cu(1), and one Cu(2) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to two equivalent Ba(2), two equivalent Y(1), one Cu(2), and one Cu(3) atom. In the sixth O site, O(6) is bonded in a 6-coordinate geometry to two equivalent Ba(3), two equivalent Y(2), one Cu(1), and one Cu(3) atom. In the seventh O site, O(7) is bonded to two equivalent Ba(1), two equivalent Ba(3), one Co(2), and one Cu(1) atom to form a mixture of distorted corner and edge-sharing OBa4CoCu octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the eighth O site, O(8) is bonded to two equivalent Ba(1), two equivalent Ba(2), one Co(1), and one Cu(2) atom to form a mixture of distorted corner and edge-sharing OBa4CoCu octahedra. The corner-sharing octahedral tilt angles range from 13-18°. In the ninth O site, O(9) is bonded to two equivalent Ba(2), two equivalent Ba(3), one Co(1), and one Cu(3) atom to form a mixture of distorted corner and edge-sharing OBa4CoCu octahedra. The corner-sharing octahedral tilt angles range from 13-18°. In the tenth O site, O(10) is bonded in a distorted linear geometry to two equivalent Ba(1), two equivalent Ba(3), one Co(1), and one Co(2) atom. In the eleventh O site, O(11) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(3), two equivalent Ba(2), and two equivalent Co(1) atoms. is represented by the CIF file [CIF]
data_Ba6Y3Co3(Cu3O11)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.895
_cell_length_b   11.792
_cell_length_c   12.390
_cell_angle_alpha   71.535
_cell_angle_beta   89.943
_cell_angle_gamma   89.960
_symmetry_Int_Tables_number   1
_cell_volume   539.753
_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
  Ba  Ba0  1  0.505  0.231  0.818  1.0
  Ba  Ba1  1  0.500  0.561  0.817  1.0
  Ba  Ba2  1  0.495  0.890  0.818  1.0
  Ba  Ba3  1  0.500  0.439  0.183  1.0
  Ba  Ba4  1  0.495  0.769  0.182  1.0
  Ba  Ba5  1  0.505  0.110  0.182  1.0
  Y  Y6  1  0.500  0.332  0.501  1.0
  Y  Y7  1  0.500  0.668  0.499  1.0
  Y  Y8  1  0.500  0.000  0.500  1.0
  Co  Co9  1  0.008  0.318  0.000  1.0
  Co  Co10  1  0.992  0.682  1.000  1.0
  Co  Co11  1  0.000  0.000  0.000  1.0
  Cu  Cu12  1  0.000  0.118  0.647  1.0
  Cu  Cu13  1  0.001  0.454  0.640  1.0
  Cu  Cu14  1  0.999  0.786  0.641  1.0
  Cu  Cu15  1  0.001  0.214  0.359  1.0
  Cu  Cu16  1  0.999  0.546  0.360  1.0
  Cu  Cu17  1  1.000  0.882  0.353  1.0
  O  O18  1  0.500  0.126  0.620  1.0
  O  O19  1  0.501  0.459  0.621  1.0
  O  O20  1  0.499  0.794  0.621  1.0
  O  O21  1  0.001  0.294  0.624  1.0
  O  O22  1  1.000  0.627  0.620  1.0
  O  O23  1  0.999  0.958  0.622  1.0
  O  O24  1  0.501  0.206  0.379  1.0
  O  O25  1  0.499  0.541  0.379  1.0
  O  O26  1  0.500  0.874  0.380  1.0
  O  O27  1  0.000  0.373  0.380  1.0
  O  O28  1  0.999  0.706  0.376  1.0
  O  O29  1  0.001  0.042  0.378  1.0
  O  O30  1  0.001  0.053  0.842  1.0
  O  O31  1  0.003  0.393  0.847  1.0
  O  O32  1  0.996  0.708  0.847  1.0
  O  O33  1  0.004  0.292  0.153  1.0
  O  O34  1  0.997  0.607  0.153  1.0
  O  O35  1  0.999  0.947  0.158  1.0
  O  O36  1  0.028  0.155  0.001  1.0
  O  O37  1  0.972  0.845  0.999  1.0
  O  O38  1  0.507  0.346  1.000  1.0
  O  O39  1  0.493  0.654  0.000  1.0
[/CIF]
.