The compound described by Sr2CeYRuCu2O10 crystallizes in the tetragonal I4mm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to four equivalent O(1), four equivalent O(3), and four equivalent O(6) atoms to form distorted SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Ru(1)O6 octahedra, and faces with four equivalent Cu(1)O5 square pyramids. In the second Sr site, Sr(2) is bonded to four equivalent O(2), four equivalent O(4), and four equivalent O(6) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Ru(1)O6 octahedra, and faces with four equivalent Cu(2)O5 square pyramids. Ce(1) is bonded in a body-centered cubic geometry to four equivalent O(4) and four equivalent O(5) atoms. Y(1) is bonded in a body-centered cubic geometry to four equivalent O(3) and four equivalent O(5) atoms. Ru(1) is bonded to one O(1), one O(2), and four equivalent O(6) atoms to form RuO6 octahedra that share corners with four equivalent Ru(1)O6 octahedra,  a cornercorner with one Cu(1)O5 square pyramid,  a cornercorner with one Cu(2)O5 square pyramid, faces with four equivalent Sr(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 1°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1) and four equivalent O(3) atoms to form CuO5 square pyramids that share  a cornercorner with one Ru(1)O6 octahedra, corners with four equivalent Cu(1)O5 square pyramids, and faces with four equivalent Sr(1)O12 cuboctahedra. The corner-sharing octahedra are not tilted. In the second Cu site, Cu(2) is bonded to one O(2) and four equivalent O(4) atoms to form CuO5 square pyramids that share  a cornercorner with one Ru(1)O6 octahedra, corners with four equivalent Cu(2)O5 square pyramids, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedra are not tilted. There are six inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Sr(1), one Ru(1), and one Cu(1) atom to form a mixture of distorted edge and corner-sharing OSr4CuRu octahedra. The corner-sharing octahedral tilt angles range from 0-14°. In the second O site, O(2) is bonded to four equivalent Sr(2), one Ru(1), and one Cu(2) atom to form a mixture of edge and corner-sharing OSr4CuRu octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the third O site, O(3) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Y(1), and two equivalent Cu(1) atoms. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Sr(2), two equivalent Ce(1), and two equivalent Cu(2) atoms. In the fifth O site, O(5) is bonded to two equivalent Ce(1) and two equivalent Y(1) atoms to form a mixture of edge and corner-sharing OCe2Y2 tetrahedra. In the sixth O site, O(6) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Ru(1) atoms. is represented by the CIF file [CIF]
data_Sr2CeYCu2RuO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   14.896
_cell_length_b   14.896
_cell_length_c   14.896
_cell_angle_alpha   165.108
_cell_angle_beta   165.108
_cell_angle_gamma   21.120
_symmetry_Int_Tables_number   1
_cell_volume   218.256
_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  0.420  0.420  0.000  1.0
  Sr  Sr1  1  0.577  0.577  0.000  1.0
  Ce  Ce2  1  0.707  0.707  0.000  1.0
  Y  Y3  1  0.295  0.295  0.000  1.0
  Cu  Cu4  1  0.855  0.855  0.000  1.0
  Cu  Cu5  1  0.144  0.144  0.000  1.0
  Ru  Ru6  1  1.000  1.000  0.000  1.0
  O  O7  1  0.931  0.931  0.000  1.0
  O  O8  1  0.070  0.070  0.000  1.0
  O  O9  1  0.847  0.347  0.500  1.0
  O  O10  1  0.347  0.847  0.500  1.0
  O  O11  1  0.153  0.653  0.500  1.0
  O  O12  1  0.653  0.153  0.500  1.0
  O  O13  1  0.749  0.249  0.500  1.0
  O  O14  1  0.249  0.749  0.500  1.0
  O  O15  1  0.000  0.500  0.500  1.0
  O  O16  1  0.500  0.000  0.500  1.0
[/CIF]
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The compound described by Sr2CeYRuCu2O10 crystallizes in the tetragonal I4mm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to four equivalent O(1), four equivalent O(3), and four equivalent O(6) atoms to form distorted SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Ru(1)O6 octahedra, and faces with four equivalent Cu(1)O5 square pyramids. In the second Sr site, Sr(2) is bonded to four equivalent O(2), four equivalent O(4), and four equivalent O(6) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Ru(1)O6 octahedra, and faces with four equivalent Cu(2)O5 square pyramids. Ce(1) is bonded in a body-centered cubic geometry to four equivalent O(4) and four equivalent O(5) atoms. Y(1) is bonded in a body-centered cubic geometry to four equivalent O(3) and four equivalent O(5) atoms. Ru(1) is bonded to one O(1), one O(2), and four equivalent O(6) atoms to form RuO6 octahedra that share corners with four equivalent Ru(1)O6 octahedra,  a cornercorner with one Cu(1)O5 square pyramid,  a cornercorner with one Cu(2)O5 square pyramid, faces with four equivalent Sr(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 1°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1) and four equivalent O(3) atoms to form CuO5 square pyramids that share  a cornercorner with one Ru(1)O6 octahedra, corners with four equivalent Cu(1)O5 square pyramids, and faces with four equivalent Sr(1)O12 cuboctahedra. The corner-sharing octahedra are not tilted. In the second Cu site, Cu(2) is bonded to one O(2) and four equivalent O(4) atoms to form CuO5 square pyramids that share  a cornercorner with one Ru(1)O6 octahedra, corners with four equivalent Cu(2)O5 square pyramids, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedra are not tilted. There are six inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Sr(1), one Ru(1), and one Cu(1) atom to form a mixture of distorted edge and corner-sharing OSr4CuRu octahedra. The corner-sharing octahedral tilt angles range from 0-14°. In the second O site, O(2) is bonded to four equivalent Sr(2), one Ru(1), and one Cu(2) atom to form a mixture of edge and corner-sharing OSr4CuRu octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the third O site, O(3) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Y(1), and two equivalent Cu(1) atoms. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Sr(2), two equivalent Ce(1), and two equivalent Cu(2) atoms. In the fifth O site, O(5) is bonded to two equivalent Ce(1) and two equivalent Y(1) atoms to form a mixture of edge and corner-sharing OCe2Y2 tetrahedra. In the sixth O site, O(6) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Ru(1) atoms. is represented by the CIF file [CIF]
data_Sr2CeYCu2RuO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   14.896
_cell_length_b   14.896
_cell_length_c   14.896
_cell_angle_alpha   165.108
_cell_angle_beta   165.108
_cell_angle_gamma   21.120
_symmetry_Int_Tables_number   1
_cell_volume   218.256
_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  0.420  0.420  0.000  1.0
  Sr  Sr1  1  0.577  0.577  0.000  1.0
  Ce  Ce2  1  0.707  0.707  0.000  1.0
  Y  Y3  1  0.295  0.295  0.000  1.0
  Cu  Cu4  1  0.855  0.855  0.000  1.0
  Cu  Cu5  1  0.144  0.144  0.000  1.0
  Ru  Ru6  1  1.000  1.000  0.000  1.0
  O  O7  1  0.931  0.931  0.000  1.0
  O  O8  1  0.070  0.070  0.000  1.0
  O  O9  1  0.847  0.347  0.500  1.0
  O  O10  1  0.347  0.847  0.500  1.0
  O  O11  1  0.153  0.653  0.500  1.0
  O  O12  1  0.653  0.153  0.500  1.0
  O  O13  1  0.749  0.249  0.500  1.0
  O  O14  1  0.249  0.749  0.500  1.0
  O  O15  1  0.000  0.500  0.500  1.0
  O  O16  1  0.500  0.000  0.500  1.0
[/CIF]
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