The compound described by Sr6La3Ti3Cu3O20 crystallizes in the triclinic P1 space group. There are six inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 10-coordinate geometry to one O(1), one O(18), one O(20), one O(3), two equivalent O(11), two equivalent O(12), and two equivalent O(9) atoms. In the second Sr site, Sr(2) is bonded in a 10-coordinate geometry to one O(1), one O(18), one O(19), one O(2), two equivalent O(10), two equivalent O(13), and two equivalent O(7) atoms. In the third Sr site, Sr(3) is bonded to one O(19), one O(2), one O(20), one O(3), two equivalent O(10), two equivalent O(11), two equivalent O(14), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Ti(2)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Cu(2)O6 octahedra. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(1), one O(3), one O(4), two equivalent O(12), two equivalent O(15), and two equivalent O(17) atoms. In the fifth Sr site, Sr(5) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(5), two equivalent O(13), two equivalent O(15), and two equivalent O(16) atoms. In the sixth Sr site, Sr(6) is bonded in a 9-coordinate geometry to one O(16), one O(19), one O(20), two equivalent O(5), two equivalent O(6), and two equivalent O(8) atoms. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(2), one O(3), one O(6), two equivalent O(14), two equivalent O(16), and two equivalent O(17) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(15), one O(18), one O(19), two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(17), one O(18), one O(20), two equivalent O(4), two equivalent O(6), and two equivalent O(9) atoms. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(5), one O(7), one O(8), and two equivalent O(19) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra,  a cornercorner with one Cu(1)O5 square pyramid, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the second Ti site, Ti(2) is bonded to one O(10), one O(13), one O(14), one O(16), and two equivalent O(2) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra,  a cornercorner with one Cu(3)O5 square pyramid, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 5-13°. In the third Ti site, Ti(3) is bonded to one O(11), one O(12), one O(14), one O(17), and two equivalent O(3) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra,  a cornercorner with one Cu(3)O5 square pyramid, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 6-14°. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(4), one O(7), one O(9), and two equivalent O(18) atoms to form CuO5 square pyramids that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, and corners with two equivalent Cu(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 2-9°. In the second Cu site, Cu(2) is bonded to one O(11), one O(6), one O(8), one O(9), and two equivalent O(20) atoms to form CuO6 octahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one Cu(1)O5 square pyramid, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-6°. In the third Cu site, Cu(3) is bonded to one O(12), one O(13), one O(15), and two equivalent O(1) atoms to form CuO5 square pyramids that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, and corners with two equivalent Cu(3)O5 square pyramids. The corner-sharing octahedral tilt angles range from 2-3°. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(4), one Sr(5), and two equivalent Cu(3) atoms to form distorted OSr4Cu2 octahedra that share  a cornercorner with one O(20)Sr3LaCu2 octahedra, corners with two equivalent O(9)Sr2La2Cu2 octahedra, corners with two equivalent O(7)Sr2La2TiCu octahedra, corners with two equivalent O(1)Sr4Cu2 octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra,  an edgeedge with one O(18)Sr2La2Cu2 octahedra, faces with two equivalent O(12)Sr4TiCu octahedra, and faces with two equivalent O(13)Sr4TiCu octahedra. The corner-sharing octahedral tilt angles range from 4-66°. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Sr(2), one Sr(3), one Sr(5), one La(1), and two equivalent Ti(2) atoms. In the third O site, O(3) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(3), one Sr(4), one La(1), and two equivalent Ti(3) atoms. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Sr(4), two equivalent La(2), two equivalent La(3), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Sr(5), two equivalent Sr(6), two equivalent La(2), and one Ti(1) atom. In the sixth O site, O(6) is bonded to two equivalent Sr(6), one La(1), two equivalent La(3), and one Cu(2) atom to form distorted OSr2La3Cu octahedra that share corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(9)Sr2La2Cu2 octahedra, edges with two equivalent O(6)Sr2La3Cu octahedra,  a faceface with one O(9)Sr2La2Cu2 octahedra, and faces with two equivalent O(20)Sr3LaCu2 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. In the seventh O site, O(7) is bonded to two equivalent Sr(2), two equivalent La(2), one Ti(1), and one Cu(1) atom to form distorted OSr2La2TiCu octahedra that share  a cornercorner with one O(9)Sr2La2Cu2 octahedra, corners with two equivalent O(1)Sr4Cu2 octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra, corners with two equivalent O(13)Sr4TiCu octahedra,  an edgeedge with one O(13)Sr4TiCu octahedra, edges with two equivalent O(7)Sr2La2TiCu octahedra,  a faceface with one O(10)Sr4Ti2 octahedra, and faces with two equivalent O(18)Sr2La2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-66°. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to two equivalent Sr(3), two equivalent Sr(6), one Ti(1), and one Cu(2) atom. In the ninth O site, O(9) is bonded to two equivalent Sr(1), two equivalent La(3), one Cu(1), and one Cu(2) atom to form distorted OSr2La2Cu2 octahedra that share  a cornercorner with one O(7)Sr2La2TiCu octahedra, corners with two equivalent O(6)Sr2La3Cu octahedra, corners with two equivalent O(1)Sr4Cu2 octahedra, corners with two equivalent O(12)Sr4TiCu octahedra,  an edgeedge with one O(12)Sr4TiCu octahedra, edges with two equivalent O(9)Sr2La2Cu2 octahedra,  a faceface with one O(6)Sr2La3Cu octahedra, faces with two equivalent O(18)Sr2La2Cu2 octahedra, and faces with two equivalent O(20)Sr3LaCu2 octahedra. The corner-sharing octahedral tilt angles range from 2-64°. In the tenth O site, O(10) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Ti(1), and one Ti(2) atom to form distorted OSr4Ti2 octahedra that share corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(7)Sr2La2TiCu octahedra, corners with two equivalent O(20)Sr3LaCu2 octahedra, corners with two equivalent O(1)Sr4Cu2 octahedra, corners with two equivalent O(13)Sr4TiCu octahedra, edges with two equivalent O(10)Sr4Ti2 octahedra,  a faceface with one O(7)Sr2La2TiCu octahedra, and  a faceface with one O(13)Sr4TiCu octahedra. The corner-sharing octahedral tilt angles range from 56-61°. In the eleventh O site, O(11) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(3), one Ti(3), and one Cu(2) atom. In the twelfth O site, O(12) is bonded to two equivalent Sr(1), two equivalent Sr(4), one Ti(3), and one Cu(3) atom to form distorted OSr4TiCu octahedra that share  a cornercorner with one O(13)Sr4TiCu octahedra, corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(9)Sr2La2Cu2 octahedra, corners with two equivalent O(20)Sr3LaCu2 octahedra,  an edgeedge with one O(9)Sr2La2Cu2 octahedra, edges with two equivalent O(12)Sr4TiCu octahedra, and faces with two equivalent O(1)Sr4Cu2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the thirteenth O site, O(13) is bonded to two equivalent Sr(2), two equivalent Sr(5), one Ti(2), and one Cu(3) atom to form distorted OSr4TiCu octahedra that share  a cornercorner with one O(12)Sr4TiCu octahedra, corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(7)Sr2La2TiCu octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra,  an edgeedge with one O(7)Sr2La2TiCu octahedra, edges with two equivalent O(13)Sr4TiCu octahedra,  a faceface with one O(10)Sr4Ti2 octahedra, and faces with two equivalent O(1)Sr4Cu2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the fourteenth O site, O(14) is bonded in a 6-coordinate geometry to two equivalent Sr(3), two equivalent La(1), one Ti(2), and one Ti(3) atom. In the fifteenth O site, O(15) is bonded in a 6-coordinate geometry to two equivalent Sr(4), two equivalent Sr(5), one La(2), and one Cu(3) atom. In the sixteenth O site, O(16) is bonded in a 6-coordinate geometry to one Sr(6), two equivalent Sr(5), two equivalent La(1), and one Ti(2) atom. In the seventeenth O site, O(17) is bonded in a 6-coordinate geometry to two equivalent Sr(4), one La(3), two equivalent La(1), and one Ti(3) atom. In the eighteenth O site, O(18) is bonded to one Sr(1), one Sr(2), one La(2), one La(3), and two equivalent Cu(1) atoms to form distorted OSr2La2Cu2 octahedra that share corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(6)Sr2La3Cu octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra, corners with two equivalent O(12)Sr4TiCu octahedra, corners with two equivalent O(13)Sr4TiCu octahedra,  an edgeedge with one O(20)Sr3LaCu2 octahedra,  an edgeedge with one O(1)Sr4Cu2 octahedra, faces with two equivalent O(9)Sr2La2Cu2 octahedra, and faces with two equivalent O(7)Sr2La2TiCu octahedra. The corner-sharing octahedral tilt angles range from 5-65°. In the nineteenth O site, O(19) is bonded in a 6-coordinate geometry to one Sr(2), one Sr(3), one Sr(6), one La(2), and two equivalent Ti(1) atoms. In the twentieth O site, O(20) is bonded to one Sr(1), one Sr(3), one Sr(6), one La(3), and two equivalent Cu(2) atoms to form distorted OSr3LaCu2 octahedra that share  a cornercorner with one O(1)Sr4Cu2 octahedra, corners with two equivalent O(20)Sr3LaCu2 octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra, corners with two equivalent O(12)Sr4TiCu octahedra,  an edgeedge with one O(18)Sr2La2Cu2 octahedra, faces with two equivalent O(9)Sr2La2Cu2 octahedra, and faces with two equivalent O(6)Sr2La3Cu octahedra. The corner-sharing octahedral tilt angles range from 2-59°. is represented by the CIF file [CIF]
data_Sr6La3Ti3Cu3O20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.921
_cell_length_b   11.719
_cell_length_c   10.542
_cell_angle_alpha   100.591
_cell_angle_beta   100.506
_cell_angle_gamma   90.004
_symmetry_Int_Tables_number   1
_cell_volume   467.901
_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
  Sr  Sr0  1  0.004  0.994  0.991  1.0
  Sr  Sr1  1  0.999  0.336  0.999  1.0
  Sr  Sr2  1  0.996  0.668  0.994  1.0
  Sr  Sr3  1  0.196  0.073  0.360  1.0
  Sr  Sr4  1  0.209  0.378  0.368  1.0
  Sr  Sr5  1  0.799  0.615  0.633  1.0
  La  La6  1  0.195  0.733  0.363  1.0
  La  La7  1  0.807  0.262  0.643  1.0
  La  La8  1  0.789  0.941  0.640  1.0
  Ti  Ti9  1  0.390  0.469  0.802  1.0
  Ti  Ti10  1  0.611  0.525  0.194  1.0
  Ti  Ti11  1  0.598  0.870  0.184  1.0
  Cu  Cu12  1  0.389  0.134  0.810  1.0
  Cu  Cu13  1  0.387  0.801  0.802  1.0
  Cu  Cu14  1  0.612  0.198  0.185  1.0
  O  O15  1  0.107  0.197  0.174  1.0
  O  O16  1  0.102  0.545  0.199  1.0
  O  O17  1  0.106  0.868  0.206  1.0
  O  O18  1  0.331  0.102  0.598  1.0
  O  O19  1  0.326  0.419  0.616  1.0
  O  O20  1  0.301  0.776  0.595  1.0
  O  O21  1  0.398  0.299  0.822  1.0
  O  O22  1  0.384  0.627  0.798  1.0
  O  O23  1  0.379  0.972  0.805  1.0
  O  O24  1  0.501  0.506  0.005  1.0
  O  O25  1  0.494  0.829  0.003  1.0
  O  O26  1  0.605  0.033  0.179  1.0
  O  O27  1  0.612  0.363  0.187  1.0
  O  O28  1  0.610  0.705  0.201  1.0
  O  O29  1  0.719  0.236  0.421  1.0
  O  O30  1  0.677  0.569  0.391  1.0
  O  O31  1  0.683  0.894  0.402  1.0
  O  O32  1  0.897  0.133  0.818  1.0
  O  O33  1  0.902  0.459  0.813  1.0
  O  O34  1  0.887  0.804  0.801  1.0
[/CIF]
.
The compound described by Sr6La3Ti3Cu3O20 crystallizes in the triclinic P1 space group. There are six inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 10-coordinate geometry to one O(1), one O(18), one O(20), one O(3), two equivalent O(11), two equivalent O(12), and two equivalent O(9) atoms. In the second Sr site, Sr(2) is bonded in a 10-coordinate geometry to one O(1), one O(18), one O(19), one O(2), two equivalent O(10), two equivalent O(13), and two equivalent O(7) atoms. In the third Sr site, Sr(3) is bonded to one O(19), one O(2), one O(20), one O(3), two equivalent O(10), two equivalent O(11), two equivalent O(14), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Ti(2)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Cu(2)O6 octahedra. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(1), one O(3), one O(4), two equivalent O(12), two equivalent O(15), and two equivalent O(17) atoms. In the fifth Sr site, Sr(5) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(5), two equivalent O(13), two equivalent O(15), and two equivalent O(16) atoms. In the sixth Sr site, Sr(6) is bonded in a 9-coordinate geometry to one O(16), one O(19), one O(20), two equivalent O(5), two equivalent O(6), and two equivalent O(8) atoms. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(2), one O(3), one O(6), two equivalent O(14), two equivalent O(16), and two equivalent O(17) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(15), one O(18), one O(19), two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(17), one O(18), one O(20), two equivalent O(4), two equivalent O(6), and two equivalent O(9) atoms. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(5), one O(7), one O(8), and two equivalent O(19) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Ti(1)O6 octahedra,  a cornercorner with one Cu(1)O5 square pyramid, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the second Ti site, Ti(2) is bonded to one O(10), one O(13), one O(14), one O(16), and two equivalent O(2) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra,  a cornercorner with one Cu(3)O5 square pyramid, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 5-13°. In the third Ti site, Ti(3) is bonded to one O(11), one O(12), one O(14), one O(17), and two equivalent O(3) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra,  a cornercorner with one Cu(3)O5 square pyramid, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 6-14°. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(4), one O(7), one O(9), and two equivalent O(18) atoms to form CuO5 square pyramids that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, and corners with two equivalent Cu(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 2-9°. In the second Cu site, Cu(2) is bonded to one O(11), one O(6), one O(8), one O(9), and two equivalent O(20) atoms to form CuO6 octahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one Cu(1)O5 square pyramid, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-6°. In the third Cu site, Cu(3) is bonded to one O(12), one O(13), one O(15), and two equivalent O(1) atoms to form CuO5 square pyramids that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, and corners with two equivalent Cu(3)O5 square pyramids. The corner-sharing octahedral tilt angles range from 2-3°. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(4), one Sr(5), and two equivalent Cu(3) atoms to form distorted OSr4Cu2 octahedra that share  a cornercorner with one O(20)Sr3LaCu2 octahedra, corners with two equivalent O(9)Sr2La2Cu2 octahedra, corners with two equivalent O(7)Sr2La2TiCu octahedra, corners with two equivalent O(1)Sr4Cu2 octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra,  an edgeedge with one O(18)Sr2La2Cu2 octahedra, faces with two equivalent O(12)Sr4TiCu octahedra, and faces with two equivalent O(13)Sr4TiCu octahedra. The corner-sharing octahedral tilt angles range from 4-66°. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Sr(2), one Sr(3), one Sr(5), one La(1), and two equivalent Ti(2) atoms. In the third O site, O(3) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(3), one Sr(4), one La(1), and two equivalent Ti(3) atoms. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Sr(4), two equivalent La(2), two equivalent La(3), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Sr(5), two equivalent Sr(6), two equivalent La(2), and one Ti(1) atom. In the sixth O site, O(6) is bonded to two equivalent Sr(6), one La(1), two equivalent La(3), and one Cu(2) atom to form distorted OSr2La3Cu octahedra that share corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(9)Sr2La2Cu2 octahedra, edges with two equivalent O(6)Sr2La3Cu octahedra,  a faceface with one O(9)Sr2La2Cu2 octahedra, and faces with two equivalent O(20)Sr3LaCu2 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. In the seventh O site, O(7) is bonded to two equivalent Sr(2), two equivalent La(2), one Ti(1), and one Cu(1) atom to form distorted OSr2La2TiCu octahedra that share  a cornercorner with one O(9)Sr2La2Cu2 octahedra, corners with two equivalent O(1)Sr4Cu2 octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra, corners with two equivalent O(13)Sr4TiCu octahedra,  an edgeedge with one O(13)Sr4TiCu octahedra, edges with two equivalent O(7)Sr2La2TiCu octahedra,  a faceface with one O(10)Sr4Ti2 octahedra, and faces with two equivalent O(18)Sr2La2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-66°. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to two equivalent Sr(3), two equivalent Sr(6), one Ti(1), and one Cu(2) atom. In the ninth O site, O(9) is bonded to two equivalent Sr(1), two equivalent La(3), one Cu(1), and one Cu(2) atom to form distorted OSr2La2Cu2 octahedra that share  a cornercorner with one O(7)Sr2La2TiCu octahedra, corners with two equivalent O(6)Sr2La3Cu octahedra, corners with two equivalent O(1)Sr4Cu2 octahedra, corners with two equivalent O(12)Sr4TiCu octahedra,  an edgeedge with one O(12)Sr4TiCu octahedra, edges with two equivalent O(9)Sr2La2Cu2 octahedra,  a faceface with one O(6)Sr2La3Cu octahedra, faces with two equivalent O(18)Sr2La2Cu2 octahedra, and faces with two equivalent O(20)Sr3LaCu2 octahedra. The corner-sharing octahedral tilt angles range from 2-64°. In the tenth O site, O(10) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Ti(1), and one Ti(2) atom to form distorted OSr4Ti2 octahedra that share corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(7)Sr2La2TiCu octahedra, corners with two equivalent O(20)Sr3LaCu2 octahedra, corners with two equivalent O(1)Sr4Cu2 octahedra, corners with two equivalent O(13)Sr4TiCu octahedra, edges with two equivalent O(10)Sr4Ti2 octahedra,  a faceface with one O(7)Sr2La2TiCu octahedra, and  a faceface with one O(13)Sr4TiCu octahedra. The corner-sharing octahedral tilt angles range from 56-61°. In the eleventh O site, O(11) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(3), one Ti(3), and one Cu(2) atom. In the twelfth O site, O(12) is bonded to two equivalent Sr(1), two equivalent Sr(4), one Ti(3), and one Cu(3) atom to form distorted OSr4TiCu octahedra that share  a cornercorner with one O(13)Sr4TiCu octahedra, corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(9)Sr2La2Cu2 octahedra, corners with two equivalent O(20)Sr3LaCu2 octahedra,  an edgeedge with one O(9)Sr2La2Cu2 octahedra, edges with two equivalent O(12)Sr4TiCu octahedra, and faces with two equivalent O(1)Sr4Cu2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the thirteenth O site, O(13) is bonded to two equivalent Sr(2), two equivalent Sr(5), one Ti(2), and one Cu(3) atom to form distorted OSr4TiCu octahedra that share  a cornercorner with one O(12)Sr4TiCu octahedra, corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(7)Sr2La2TiCu octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra,  an edgeedge with one O(7)Sr2La2TiCu octahedra, edges with two equivalent O(13)Sr4TiCu octahedra,  a faceface with one O(10)Sr4Ti2 octahedra, and faces with two equivalent O(1)Sr4Cu2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the fourteenth O site, O(14) is bonded in a 6-coordinate geometry to two equivalent Sr(3), two equivalent La(1), one Ti(2), and one Ti(3) atom. In the fifteenth O site, O(15) is bonded in a 6-coordinate geometry to two equivalent Sr(4), two equivalent Sr(5), one La(2), and one Cu(3) atom. In the sixteenth O site, O(16) is bonded in a 6-coordinate geometry to one Sr(6), two equivalent Sr(5), two equivalent La(1), and one Ti(2) atom. In the seventeenth O site, O(17) is bonded in a 6-coordinate geometry to two equivalent Sr(4), one La(3), two equivalent La(1), and one Ti(3) atom. In the eighteenth O site, O(18) is bonded to one Sr(1), one Sr(2), one La(2), one La(3), and two equivalent Cu(1) atoms to form distorted OSr2La2Cu2 octahedra that share corners with two equivalent O(18)Sr2La2Cu2 octahedra, corners with two equivalent O(6)Sr2La3Cu octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra, corners with two equivalent O(12)Sr4TiCu octahedra, corners with two equivalent O(13)Sr4TiCu octahedra,  an edgeedge with one O(20)Sr3LaCu2 octahedra,  an edgeedge with one O(1)Sr4Cu2 octahedra, faces with two equivalent O(9)Sr2La2Cu2 octahedra, and faces with two equivalent O(7)Sr2La2TiCu octahedra. The corner-sharing octahedral tilt angles range from 5-65°. In the nineteenth O site, O(19) is bonded in a 6-coordinate geometry to one Sr(2), one Sr(3), one Sr(6), one La(2), and two equivalent Ti(1) atoms. In the twentieth O site, O(20) is bonded to one Sr(1), one Sr(3), one Sr(6), one La(3), and two equivalent Cu(2) atoms to form distorted OSr3LaCu2 octahedra that share  a cornercorner with one O(1)Sr4Cu2 octahedra, corners with two equivalent O(20)Sr3LaCu2 octahedra, corners with two equivalent O(10)Sr4Ti2 octahedra, corners with two equivalent O(12)Sr4TiCu octahedra,  an edgeedge with one O(18)Sr2La2Cu2 octahedra, faces with two equivalent O(9)Sr2La2Cu2 octahedra, and faces with two equivalent O(6)Sr2La3Cu octahedra. The corner-sharing octahedral tilt angles range from 2-59°. is represented by the CIF file [CIF]
data_Sr6La3Ti3Cu3O20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.921
_cell_length_b   11.719
_cell_length_c   10.542
_cell_angle_alpha   100.591
_cell_angle_beta   100.506
_cell_angle_gamma   90.004
_symmetry_Int_Tables_number   1
_cell_volume   467.901
_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
  Sr  Sr0  1  0.004  0.994  0.991  1.0
  Sr  Sr1  1  0.999  0.336  0.999  1.0
  Sr  Sr2  1  0.996  0.668  0.994  1.0
  Sr  Sr3  1  0.196  0.073  0.360  1.0
  Sr  Sr4  1  0.209  0.378  0.368  1.0
  Sr  Sr5  1  0.799  0.615  0.633  1.0
  La  La6  1  0.195  0.733  0.363  1.0
  La  La7  1  0.807  0.262  0.643  1.0
  La  La8  1  0.789  0.941  0.640  1.0
  Ti  Ti9  1  0.390  0.469  0.802  1.0
  Ti  Ti10  1  0.611  0.525  0.194  1.0
  Ti  Ti11  1  0.598  0.870  0.184  1.0
  Cu  Cu12  1  0.389  0.134  0.810  1.0
  Cu  Cu13  1  0.387  0.801  0.802  1.0
  Cu  Cu14  1  0.612  0.198  0.185  1.0
  O  O15  1  0.107  0.197  0.174  1.0
  O  O16  1  0.102  0.545  0.199  1.0
  O  O17  1  0.106  0.868  0.206  1.0
  O  O18  1  0.331  0.102  0.598  1.0
  O  O19  1  0.326  0.419  0.616  1.0
  O  O20  1  0.301  0.776  0.595  1.0
  O  O21  1  0.398  0.299  0.822  1.0
  O  O22  1  0.384  0.627  0.798  1.0
  O  O23  1  0.379  0.972  0.805  1.0
  O  O24  1  0.501  0.506  0.005  1.0
  O  O25  1  0.494  0.829  0.003  1.0
  O  O26  1  0.605  0.033  0.179  1.0
  O  O27  1  0.612  0.363  0.187  1.0
  O  O28  1  0.610  0.705  0.201  1.0
  O  O29  1  0.719  0.236  0.421  1.0
  O  O30  1  0.677  0.569  0.391  1.0
  O  O31  1  0.683  0.894  0.402  1.0
  O  O32  1  0.897  0.133  0.818  1.0
  O  O33  1  0.902  0.459  0.813  1.0
  O  O34  1  0.887  0.804  0.801  1.0
[/CIF]
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