The crystal structure described by Sr2Y4Fe2Cu2O13 crystallizes in the triclinic P-1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(12), one O(4), one O(8), two equivalent O(2), and three equivalent O(13) atoms. In the second Sr site, Sr(2) is bonded in a 10-coordinate geometry to one O(1), one O(12), one O(13), one O(4), one O(8), two equivalent O(11), and three equivalent O(10) atoms. There are four inequivalent Y sites. In the first Y site, Y(1) is bonded in a 7-coordinate geometry to one O(2), one O(4), one O(7), one O(8), one O(9), and two equivalent O(5) atoms. In the second Y site, Y(2) is bonded to one O(1), one O(11), one O(12), one O(3), one O(7), and two equivalent O(6) atoms to form distorted YO7 pentagonal bipyramids that share  a cornercorner with one Y(3)O7 pentagonal bipyramid,  an edgeedge with one Y(2)O7 pentagonal bipyramid, edges with three equivalent Y(3)O7 pentagonal bipyramids,  an edgeedge with one Fe(1)O5 trigonal bipyramid,  an edgeedge with one Cu(1)O5 trigonal bipyramid, and edges with two equivalent Fe(2)O5 trigonal bipyramids. In the third Y site, Y(3) is bonded to one O(1), one O(12), one O(2), one O(7), one O(9), and two equivalent O(6) atoms to form distorted YO7 pentagonal bipyramids that share  a cornercorner with one Y(2)O7 pentagonal bipyramid,  an edgeedge with one Y(3)O7 pentagonal bipyramid, edges with three equivalent Y(2)O7 pentagonal bipyramids,  an edgeedge with one Fe(2)O5 trigonal bipyramid,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and edges with two equivalent Fe(1)O5 trigonal bipyramids. In the fourth Y site, Y(4) is bonded in a 7-coordinate geometry to one O(11), one O(3), one O(4), one O(7), one O(8), and two equivalent O(5) atoms. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(12), one O(13), one O(2), and one O(9) atom to form FeO5 trigonal bipyramids that share corners with two equivalent Fe(2)O5 trigonal bipyramids, corners with three equivalent Cu(2)O5 trigonal bipyramids,  an edgeedge with one Y(2)O7 pentagonal bipyramid, and edges with two equivalent Y(3)O7 pentagonal bipyramids. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(11), one O(12), and one O(3) atom to form FeO5 trigonal bipyramids that share corners with two equivalent Fe(1)O5 trigonal bipyramids, corners with three equivalent Cu(1)O5 trigonal bipyramids,  an edgeedge with one Y(3)O7 pentagonal bipyramid, and edges with two equivalent Y(2)O7 pentagonal bipyramids. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(10), one O(11), one O(3), one O(4), and one O(8) atom to form CuO5 trigonal bipyramids that share corners with two equivalent Cu(2)O5 trigonal bipyramids, corners with three equivalent Fe(2)O5 trigonal bipyramids, and  an edgeedge with one Y(2)O7 pentagonal bipyramid. In the second Cu site, Cu(2) is bonded to one O(13), one O(2), one O(4), one O(8), and one O(9) atom to form CuO5 trigonal bipyramids that share corners with two equivalent Cu(1)O5 trigonal bipyramids, corners with three equivalent Fe(1)O5 trigonal bipyramids, and  an edgeedge with one Y(3)O7 pentagonal bipyramid. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one Y(2), one Y(3), one Fe(1), and one Fe(2) atom. In the second O site, O(2) is bonded to two equivalent Sr(1), one Y(1), one Y(3), one Fe(1), and one Cu(2) atom to form distorted OSr2Y2FeCu octahedra that share  a cornercorner with one O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra,  an edgeedge with one O(8)Sr2Y2Cu2 octahedra,  an edgeedge with one O(2)Sr2Y2FeCu octahedra,  an edgeedge with one O(7)Y4 tetrahedra, edges with two equivalent O(9)Y2FeCu tetrahedra,  a faceface with one O(4)Sr2Y2Cu2 octahedra, and faces with two equivalent O(13)Sr4FeCu octahedra. The corner-sharing octahedral tilt angles range from 8-75°. In the third O site, O(3) is bonded to one Y(2), one Y(4), one Fe(2), and one Cu(1) atom to form distorted OY2FeCu tetrahedra that share corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(4)Sr2Y2Cu2 octahedra, and edges with two equivalent O(11)Sr2Y2FeCu octahedra. The corner-sharing octahedral tilt angles range from 29-66°. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Y(1), one Y(4), one Cu(1), and one Cu(2) atom to form distorted OSr2Y2Cu2 octahedra that share  a cornercorner with one O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(11)Sr2Y2FeCu octahedra,  an edgeedge with one O(3)Y2FeCu tetrahedra,  an edgeedge with one O(5)Y4 tetrahedra,  a faceface with one O(2)Sr2Y2FeCu octahedra,  a faceface with one O(10)Sr4FeCu octahedra,  a faceface with one O(13)Sr4FeCu octahedra, and faces with two equivalent O(8)Sr2Y2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 7-72°. In the fifth O site, O(5) is bonded to two equivalent Y(1) and two equivalent Y(4) atoms to form OY4 tetrahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(4)Sr2Y2Cu2 octahedra,  an edgeedge with one O(8)Sr2Y2Cu2 octahedra,  an edgeedge with one O(7)Y4 tetrahedra, and edges with two equivalent O(5)Y4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-67°. In the sixth O site, O(6) is bonded to two equivalent Y(2) and two equivalent Y(3) atoms to form OY4 tetrahedra that share corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(7)Y4 tetrahedra, and edges with two equivalent O(6)Y4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-58°. In the seventh O site, O(7) is bonded to one Y(1), one Y(2), one Y(3), and one Y(4) atom to form OY4 tetrahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra,  an edgeedge with one O(11)Sr2Y2FeCu octahedra,  an edgeedge with one O(2)Sr2Y2FeCu octahedra,  an edgeedge with one O(5)Y4 tetrahedra, and  an edgeedge with one O(6)Y4 tetrahedra. The corner-sharing octahedral tilt angles range from 13-64°. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one Y(1), one Y(4), one Cu(1), and one Cu(2) atom to form distorted OSr2Y2Cu2 octahedra that share  a cornercorner with one O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(2)Sr2Y2FeCu octahedra,  an edgeedge with one O(9)Y2FeCu tetrahedra,  an edgeedge with one O(5)Y4 tetrahedra,  a faceface with one O(11)Sr2Y2FeCu octahedra,  a faceface with one O(10)Sr4FeCu octahedra,  a faceface with one O(13)Sr4FeCu octahedra, and faces with two equivalent O(4)Sr2Y2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 8-71°. In the ninth O site, O(9) is bonded to one Y(1), one Y(3), one Fe(1), and one Cu(2) atom to form distorted OY2FeCu tetrahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(8)Sr2Y2Cu2 octahedra, and edges with two equivalent O(2)Sr2Y2FeCu octahedra. The corner-sharing octahedral tilt angles range from 29-67°. In the tenth O site, O(10) is bonded to one Sr(1), three equivalent Sr(2), one Fe(2), and one Cu(1) atom to form distorted OSr4FeCu octahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, edges with two equivalent O(10)Sr4FeCu octahedra, edges with two equivalent O(13)Sr4FeCu octahedra,  a faceface with one O(4)Sr2Y2Cu2 octahedra,  a faceface with one O(8)Sr2Y2Cu2 octahedra, and faces with two equivalent O(11)Sr2Y2FeCu octahedra. The corner-sharing octahedral tilt angles range from 11-74°. In the eleventh O site, O(11) is bonded to two equivalent Sr(2), one Y(2), one Y(4), one Fe(2), and one Cu(1) atom to form distorted OSr2Y2FeCu octahedra that share  a cornercorner with one O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra,  an edgeedge with one O(4)Sr2Y2Cu2 octahedra,  an edgeedge with one O(11)Sr2Y2FeCu octahedra,  an edgeedge with one O(7)Y4 tetrahedra, edges with two equivalent O(3)Y2FeCu tetrahedra,  a faceface with one O(8)Sr2Y2Cu2 octahedra, and faces with two equivalent O(10)Sr4FeCu octahedra. The corner-sharing octahedral tilt angles range from 7-74°. In the twelfth O site, O(12) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one Y(2), one Y(3), one Fe(1), and one Fe(2) atom. In the thirteenth O site, O(13) is bonded to one Sr(2), three equivalent Sr(1), one Fe(1), and one Cu(2) atom to form distorted OSr4FeCu octahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, edges with two equivalent O(10)Sr4FeCu octahedra, edges with two equivalent O(13)Sr4FeCu octahedra,  a faceface with one O(4)Sr2Y2Cu2 octahedra,  a faceface with one O(8)Sr2Y2Cu2 octahedra, and faces with two equivalent O(2)Sr2Y2FeCu octahedra. The corner-sharing octahedral tilt angles range from 11-75°. is represented by the CIF file [CIF]
data_Sr2Y4Fe2Cu2O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.480
_cell_length_b   10.823
_cell_length_c   11.870
_cell_angle_alpha   116.978
_cell_angle_beta   102.908
_cell_angle_gamma   90.082
_symmetry_Int_Tables_number   1
_cell_volume   607.266
_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
  Sr  Sr0  1  0.201  0.359  0.991  1.0
  Sr  Sr1  1  0.298  0.870  0.009  1.0
  Sr  Sr2  1  0.702  0.130  0.991  1.0
  Sr  Sr3  1  0.799  0.641  0.009  1.0
  Y  Y4  1  0.022  0.175  0.633  1.0
  Y  Y5  1  0.106  0.678  0.629  1.0
  Y  Y6  1  0.393  0.549  0.370  1.0
  Y  Y7  1  0.522  0.958  0.633  1.0
  Y  Y8  1  0.478  0.042  0.367  1.0
  Y  Y9  1  0.607  0.451  0.630  1.0
  Y  Y10  1  0.894  0.322  0.371  1.0
  Y  Y11  1  0.978  0.825  0.367  1.0
  Fe  Fe12  1  0.190  0.520  0.809  1.0
  Fe  Fe13  1  0.311  0.211  0.191  1.0
  Fe  Fe14  1  0.689  0.789  0.809  1.0
  Fe  Fe15  1  0.810  0.480  0.191  1.0
  Cu  Cu16  1  0.114  0.014  0.796  1.0
  Cu  Cu17  1  0.385  0.718  0.203  1.0
  Cu  Cu18  1  0.615  0.282  0.797  1.0
  Cu  Cu19  1  0.886  0.986  0.204  1.0
  O  O20  1  0.063  0.359  0.221  1.0
  O  O21  1  0.103  0.609  0.213  1.0
  O  O22  1  0.155  0.150  0.294  1.0
  O  O23  1  0.147  0.861  0.209  1.0
  O  O24  1  0.250  0.027  0.500  1.0
  O  O25  1  0.250  0.472  0.500  1.0
  O  O26  1  0.251  0.752  0.500  1.0
  O  O27  1  0.352  0.151  0.791  1.0
  O  O28  1  0.347  0.357  0.707  1.0
  O  O29  1  0.200  0.111  0.009  1.0
  O  O30  1  0.394  0.895  0.787  1.0
  O  O31  1  0.436  0.638  0.778  1.0
  O  O32  1  0.301  0.603  0.991  1.0
  O  O33  1  0.564  0.362  0.222  1.0
  O  O34  1  0.606  0.105  0.213  1.0
  O  O35  1  0.653  0.643  0.293  1.0
  O  O36  1  0.648  0.849  0.209  1.0
  O  O37  1  0.749  0.248  0.500  1.0
  O  O38  1  0.750  0.528  0.500  1.0
  O  O39  1  0.750  0.973  0.500  1.0
  O  O40  1  0.853  0.139  0.791  1.0
  O  O41  1  0.845  0.850  0.706  1.0
  O  O42  1  0.699  0.397  0.009  1.0
  O  O43  1  0.897  0.391  0.787  1.0
  O  O44  1  0.937  0.641  0.779  1.0
  O  O45  1  0.800  0.889  0.991  1.0
[/CIF]
.
The crystal structure described by Sr2Y4Fe2Cu2O13 crystallizes in the triclinic P-1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(12), one O(4), one O(8), two equivalent O(2), and three equivalent O(13) atoms. In the second Sr site, Sr(2) is bonded in a 10-coordinate geometry to one O(1), one O(12), one O(13), one O(4), one O(8), two equivalent O(11), and three equivalent O(10) atoms. There are four inequivalent Y sites. In the first Y site, Y(1) is bonded in a 7-coordinate geometry to one O(2), one O(4), one O(7), one O(8), one O(9), and two equivalent O(5) atoms. In the second Y site, Y(2) is bonded to one O(1), one O(11), one O(12), one O(3), one O(7), and two equivalent O(6) atoms to form distorted YO7 pentagonal bipyramids that share  a cornercorner with one Y(3)O7 pentagonal bipyramid,  an edgeedge with one Y(2)O7 pentagonal bipyramid, edges with three equivalent Y(3)O7 pentagonal bipyramids,  an edgeedge with one Fe(1)O5 trigonal bipyramid,  an edgeedge with one Cu(1)O5 trigonal bipyramid, and edges with two equivalent Fe(2)O5 trigonal bipyramids. In the third Y site, Y(3) is bonded to one O(1), one O(12), one O(2), one O(7), one O(9), and two equivalent O(6) atoms to form distorted YO7 pentagonal bipyramids that share  a cornercorner with one Y(2)O7 pentagonal bipyramid,  an edgeedge with one Y(3)O7 pentagonal bipyramid, edges with three equivalent Y(2)O7 pentagonal bipyramids,  an edgeedge with one Fe(2)O5 trigonal bipyramid,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and edges with two equivalent Fe(1)O5 trigonal bipyramids. In the fourth Y site, Y(4) is bonded in a 7-coordinate geometry to one O(11), one O(3), one O(4), one O(7), one O(8), and two equivalent O(5) atoms. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(12), one O(13), one O(2), and one O(9) atom to form FeO5 trigonal bipyramids that share corners with two equivalent Fe(2)O5 trigonal bipyramids, corners with three equivalent Cu(2)O5 trigonal bipyramids,  an edgeedge with one Y(2)O7 pentagonal bipyramid, and edges with two equivalent Y(3)O7 pentagonal bipyramids. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(11), one O(12), and one O(3) atom to form FeO5 trigonal bipyramids that share corners with two equivalent Fe(1)O5 trigonal bipyramids, corners with three equivalent Cu(1)O5 trigonal bipyramids,  an edgeedge with one Y(3)O7 pentagonal bipyramid, and edges with two equivalent Y(2)O7 pentagonal bipyramids. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(10), one O(11), one O(3), one O(4), and one O(8) atom to form CuO5 trigonal bipyramids that share corners with two equivalent Cu(2)O5 trigonal bipyramids, corners with three equivalent Fe(2)O5 trigonal bipyramids, and  an edgeedge with one Y(2)O7 pentagonal bipyramid. In the second Cu site, Cu(2) is bonded to one O(13), one O(2), one O(4), one O(8), and one O(9) atom to form CuO5 trigonal bipyramids that share corners with two equivalent Cu(1)O5 trigonal bipyramids, corners with three equivalent Fe(1)O5 trigonal bipyramids, and  an edgeedge with one Y(3)O7 pentagonal bipyramid. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one Y(2), one Y(3), one Fe(1), and one Fe(2) atom. In the second O site, O(2) is bonded to two equivalent Sr(1), one Y(1), one Y(3), one Fe(1), and one Cu(2) atom to form distorted OSr2Y2FeCu octahedra that share  a cornercorner with one O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra,  an edgeedge with one O(8)Sr2Y2Cu2 octahedra,  an edgeedge with one O(2)Sr2Y2FeCu octahedra,  an edgeedge with one O(7)Y4 tetrahedra, edges with two equivalent O(9)Y2FeCu tetrahedra,  a faceface with one O(4)Sr2Y2Cu2 octahedra, and faces with two equivalent O(13)Sr4FeCu octahedra. The corner-sharing octahedral tilt angles range from 8-75°. In the third O site, O(3) is bonded to one Y(2), one Y(4), one Fe(2), and one Cu(1) atom to form distorted OY2FeCu tetrahedra that share corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(4)Sr2Y2Cu2 octahedra, and edges with two equivalent O(11)Sr2Y2FeCu octahedra. The corner-sharing octahedral tilt angles range from 29-66°. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Y(1), one Y(4), one Cu(1), and one Cu(2) atom to form distorted OSr2Y2Cu2 octahedra that share  a cornercorner with one O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(11)Sr2Y2FeCu octahedra,  an edgeedge with one O(3)Y2FeCu tetrahedra,  an edgeedge with one O(5)Y4 tetrahedra,  a faceface with one O(2)Sr2Y2FeCu octahedra,  a faceface with one O(10)Sr4FeCu octahedra,  a faceface with one O(13)Sr4FeCu octahedra, and faces with two equivalent O(8)Sr2Y2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 7-72°. In the fifth O site, O(5) is bonded to two equivalent Y(1) and two equivalent Y(4) atoms to form OY4 tetrahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(4)Sr2Y2Cu2 octahedra,  an edgeedge with one O(8)Sr2Y2Cu2 octahedra,  an edgeedge with one O(7)Y4 tetrahedra, and edges with two equivalent O(5)Y4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-67°. In the sixth O site, O(6) is bonded to two equivalent Y(2) and two equivalent Y(3) atoms to form OY4 tetrahedra that share corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(7)Y4 tetrahedra, and edges with two equivalent O(6)Y4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-58°. In the seventh O site, O(7) is bonded to one Y(1), one Y(2), one Y(3), and one Y(4) atom to form OY4 tetrahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra,  an edgeedge with one O(11)Sr2Y2FeCu octahedra,  an edgeedge with one O(2)Sr2Y2FeCu octahedra,  an edgeedge with one O(5)Y4 tetrahedra, and  an edgeedge with one O(6)Y4 tetrahedra. The corner-sharing octahedral tilt angles range from 13-64°. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one Y(1), one Y(4), one Cu(1), and one Cu(2) atom to form distorted OSr2Y2Cu2 octahedra that share  a cornercorner with one O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(2)Sr2Y2FeCu octahedra,  an edgeedge with one O(9)Y2FeCu tetrahedra,  an edgeedge with one O(5)Y4 tetrahedra,  a faceface with one O(11)Sr2Y2FeCu octahedra,  a faceface with one O(10)Sr4FeCu octahedra,  a faceface with one O(13)Sr4FeCu octahedra, and faces with two equivalent O(4)Sr2Y2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 8-71°. In the ninth O site, O(9) is bonded to one Y(1), one Y(3), one Fe(1), and one Cu(2) atom to form distorted OY2FeCu tetrahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra, corners with two equivalent O(7)Y4 tetrahedra,  an edgeedge with one O(8)Sr2Y2Cu2 octahedra, and edges with two equivalent O(2)Sr2Y2FeCu octahedra. The corner-sharing octahedral tilt angles range from 29-67°. In the tenth O site, O(10) is bonded to one Sr(1), three equivalent Sr(2), one Fe(2), and one Cu(1) atom to form distorted OSr4FeCu octahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(3)Y2FeCu tetrahedra, edges with two equivalent O(10)Sr4FeCu octahedra, edges with two equivalent O(13)Sr4FeCu octahedra,  a faceface with one O(4)Sr2Y2Cu2 octahedra,  a faceface with one O(8)Sr2Y2Cu2 octahedra, and faces with two equivalent O(11)Sr2Y2FeCu octahedra. The corner-sharing octahedral tilt angles range from 11-74°. In the eleventh O site, O(11) is bonded to two equivalent Sr(2), one Y(2), one Y(4), one Fe(2), and one Cu(1) atom to form distorted OSr2Y2FeCu octahedra that share  a cornercorner with one O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(5)Y4 tetrahedra, corners with two equivalent O(6)Y4 tetrahedra,  an edgeedge with one O(4)Sr2Y2Cu2 octahedra,  an edgeedge with one O(11)Sr2Y2FeCu octahedra,  an edgeedge with one O(7)Y4 tetrahedra, edges with two equivalent O(3)Y2FeCu tetrahedra,  a faceface with one O(8)Sr2Y2Cu2 octahedra, and faces with two equivalent O(10)Sr4FeCu octahedra. The corner-sharing octahedral tilt angles range from 7-74°. In the twelfth O site, O(12) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one Y(2), one Y(3), one Fe(1), and one Fe(2) atom. In the thirteenth O site, O(13) is bonded to one Sr(2), three equivalent Sr(1), one Fe(1), and one Cu(2) atom to form distorted OSr4FeCu octahedra that share corners with two equivalent O(4)Sr2Y2Cu2 octahedra, corners with two equivalent O(8)Sr2Y2Cu2 octahedra, corners with two equivalent O(11)Sr2Y2FeCu octahedra, corners with two equivalent O(2)Sr2Y2FeCu octahedra, corners with two equivalent O(10)Sr4FeCu octahedra, corners with two equivalent O(13)Sr4FeCu octahedra, corners with two equivalent O(9)Y2FeCu tetrahedra, edges with two equivalent O(10)Sr4FeCu octahedra, edges with two equivalent O(13)Sr4FeCu octahedra,  a faceface with one O(4)Sr2Y2Cu2 octahedra,  a faceface with one O(8)Sr2Y2Cu2 octahedra, and faces with two equivalent O(2)Sr2Y2FeCu octahedra. The corner-sharing octahedral tilt angles range from 11-75°. is represented by the CIF file [CIF]
data_Sr2Y4Fe2Cu2O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.480
_cell_length_b   10.823
_cell_length_c   11.870
_cell_angle_alpha   116.978
_cell_angle_beta   102.908
_cell_angle_gamma   90.082
_symmetry_Int_Tables_number   1
_cell_volume   607.266
_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
  Sr  Sr0  1  0.201  0.359  0.991  1.0
  Sr  Sr1  1  0.298  0.870  0.009  1.0
  Sr  Sr2  1  0.702  0.130  0.991  1.0
  Sr  Sr3  1  0.799  0.641  0.009  1.0
  Y  Y4  1  0.022  0.175  0.633  1.0
  Y  Y5  1  0.106  0.678  0.629  1.0
  Y  Y6  1  0.393  0.549  0.370  1.0
  Y  Y7  1  0.522  0.958  0.633  1.0
  Y  Y8  1  0.478  0.042  0.367  1.0
  Y  Y9  1  0.607  0.451  0.630  1.0
  Y  Y10  1  0.894  0.322  0.371  1.0
  Y  Y11  1  0.978  0.825  0.367  1.0
  Fe  Fe12  1  0.190  0.520  0.809  1.0
  Fe  Fe13  1  0.311  0.211  0.191  1.0
  Fe  Fe14  1  0.689  0.789  0.809  1.0
  Fe  Fe15  1  0.810  0.480  0.191  1.0
  Cu  Cu16  1  0.114  0.014  0.796  1.0
  Cu  Cu17  1  0.385  0.718  0.203  1.0
  Cu  Cu18  1  0.615  0.282  0.797  1.0
  Cu  Cu19  1  0.886  0.986  0.204  1.0
  O  O20  1  0.063  0.359  0.221  1.0
  O  O21  1  0.103  0.609  0.213  1.0
  O  O22  1  0.155  0.150  0.294  1.0
  O  O23  1  0.147  0.861  0.209  1.0
  O  O24  1  0.250  0.027  0.500  1.0
  O  O25  1  0.250  0.472  0.500  1.0
  O  O26  1  0.251  0.752  0.500  1.0
  O  O27  1  0.352  0.151  0.791  1.0
  O  O28  1  0.347  0.357  0.707  1.0
  O  O29  1  0.200  0.111  0.009  1.0
  O  O30  1  0.394  0.895  0.787  1.0
  O  O31  1  0.436  0.638  0.778  1.0
  O  O32  1  0.301  0.603  0.991  1.0
  O  O33  1  0.564  0.362  0.222  1.0
  O  O34  1  0.606  0.105  0.213  1.0
  O  O35  1  0.653  0.643  0.293  1.0
  O  O36  1  0.648  0.849  0.209  1.0
  O  O37  1  0.749  0.248  0.500  1.0
  O  O38  1  0.750  0.528  0.500  1.0
  O  O39  1  0.750  0.973  0.500  1.0
  O  O40  1  0.853  0.139  0.791  1.0
  O  O41  1  0.845  0.850  0.706  1.0
  O  O42  1  0.699  0.397  0.009  1.0
  O  O43  1  0.897  0.391  0.787  1.0
  O  O44  1  0.937  0.641  0.779  1.0
  O  O45  1  0.800  0.889  0.991  1.0
[/CIF]
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