The structure described by Sr6CaY2TiCu6(HgO10)2 crystallizes in the orthorhombic Pmmm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(3), and four equivalent O(5) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(7), two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms. Ca(1) is bonded in a body-centered cubic geometry to four equivalent O(1) and four equivalent O(3) atoms. Y(1) is bonded in a body-centered cubic geometry to two equivalent O(3), two equivalent O(4), and four equivalent O(2) atoms. Ti(1) is bonded to two equivalent O(6) and four equivalent O(7) atoms to form TiO6 octahedra that share corners with two equivalent Cu(2)O5 square pyramids and edges with two equivalent Ti(1)O6 octahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(2), one O(5), and two equivalent O(3) atoms to form distorted corner-sharing CuO5 square pyramids. In the second Cu site, Cu(2) is bonded to one O(6), two equivalent O(2), and two equivalent O(4) atoms to form distorted CuO5 square pyramids that share  a cornercorner with one Ti(1)O6 octahedra, corners with two equivalent Cu(1)O5 square pyramids, and corners with two equivalent Cu(2)O5 square pyramids. The corner-sharing octahedra are not tilted. Hg(1) is bonded in a linear geometry to two equivalent O(5) atoms. There are seven inequivalent O sites. In the first O site, O(6) is bonded in a distorted single-bond geometry to four equivalent Sr(2), one Ti(1), and one Cu(2) atom. In the second O site, O(7) is bonded in a distorted see-saw-like geometry to two equivalent Sr(2) and two equivalent Ti(1) atoms. In the third O site, O(1) is bonded to two equivalent Sr(1), two equivalent Ca(1), and two equivalent Cu(1) atoms to form OSr2Ca2Cu2 octahedra that share corners with two equivalent O(1)Sr2Ca2Cu2 octahedra, corners with two equivalent O(2)Sr2Y2Cu2 octahedra, corners with four equivalent O(3)Sr2CaYCu2 octahedra, corners with four equivalent O(5)Sr4CuHg octahedra, edges with three equivalent O(1)Sr2Ca2Cu2 octahedra, faces with two equivalent O(5)Sr4CuHg octahedra, and faces with four equivalent O(3)Sr2CaYCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-67°. In the fourth O site, O(2) is bonded to two equivalent Sr(2), two equivalent Y(1), one Cu(1), and one Cu(2) atom to form distorted OSr2Y2Cu2 octahedra that share  a cornercorner with one O(1)Sr2Ca2Cu2 octahedra, corners with two equivalent O(3)Sr2CaYCu2 octahedra, corners with two equivalent O(5)Sr4CuHg octahedra, corners with three equivalent O(2)Sr2Y2Cu2 octahedra, edges with three equivalent O(2)Sr2Y2Cu2 octahedra,  a faceface with one O(5)Sr4CuHg octahedra, and faces with two equivalent O(3)Sr2CaYCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-67°. In the fifth O site, O(3) is bonded to one Sr(1), one Sr(2), one Ca(1), one Y(1), and two equivalent Cu(1) atoms to form distorted OSr2CaYCu2 octahedra that share corners with two equivalent O(1)Sr2Ca2Cu2 octahedra, corners with two equivalent O(2)Sr2Y2Cu2 octahedra, corners with two equivalent O(5)Sr4CuHg octahedra, corners with three equivalent O(3)Sr2CaYCu2 octahedra, edges with two equivalent O(3)Sr2CaYCu2 octahedra, faces with two equivalent O(1)Sr2Ca2Cu2 octahedra, faces with two equivalent O(2)Sr2Y2Cu2 octahedra, and faces with two equivalent O(5)Sr4CuHg octahedra. The corner-sharing octahedral tilt angles range from 0-67°. In the sixth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Sr(2), two equivalent Y(1), and two equivalent Cu(2) atoms. In the seventh O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Cu(1), and one Hg(1) atom to form distorted OSr4CuHg octahedra that share corners with two equivalent O(1)Sr2Ca2Cu2 octahedra, corners with two equivalent O(3)Sr2CaYCu2 octahedra, corners with two equivalent O(2)Sr2Y2Cu2 octahedra, corners with three equivalent O(5)Sr4CuHg octahedra, edges with three equivalent O(5)Sr4CuHg octahedra,  a faceface with one O(1)Sr2Ca2Cu2 octahedra,  a faceface with one O(2)Sr2Y2Cu2 octahedra, and faces with two equivalent O(3)Sr2CaYCu2 octahedra. The corner-sharing octahedral tilt angles range from 3-56°. is represented by the CIF file [CIF]
data_Sr6CaY2TiCu6(HgO10)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.770
_cell_length_b   11.629
_cell_length_c   12.132
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   531.948
_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  0.500  0.000  0.775  1.0
  Sr  Sr1  1  0.500  0.338  0.795  1.0
  Sr  Sr2  1  0.500  0.662  0.795  1.0
  Sr  Sr3  1  0.500  0.000  0.225  1.0
  Sr  Sr4  1  0.500  0.338  0.205  1.0
  Sr  Sr5  1  0.500  0.662  0.205  1.0
  Ca  Ca6  1  0.500  0.000  0.500  1.0
  Y  Y7  1  0.500  0.332  0.500  1.0
  Y  Y8  1  0.500  0.668  0.500  1.0
  Ti  Ti9  1  0.000  0.500  0.000  1.0
  Cu  Cu10  1  0.000  0.833  0.634  1.0
  Cu  Cu11  1  0.000  0.167  0.634  1.0
  Cu  Cu12  1  0.000  0.500  0.636  1.0
  Cu  Cu13  1  0.000  0.833  0.366  1.0
  Cu  Cu14  1  0.000  0.167  0.366  1.0
  Cu  Cu15  1  0.000  0.500  0.364  1.0
  Hg  Hg16  1  0.000  0.831  0.000  1.0
  Hg  Hg17  1  0.000  0.169  0.000  1.0
  O  O18  1  0.000  0.000  0.631  1.0
  O  O19  1  0.000  0.334  0.623  1.0
  O  O20  1  0.000  0.666  0.623  1.0
  O  O21  1  0.500  0.828  0.624  1.0
  O  O22  1  0.500  0.172  0.624  1.0
  O  O23  1  0.500  0.500  0.621  1.0
  O  O24  1  0.000  0.000  0.369  1.0
  O  O25  1  0.000  0.334  0.377  1.0
  O  O26  1  0.000  0.666  0.377  1.0
  O  O27  1  0.500  0.828  0.376  1.0
  O  O28  1  0.500  0.172  0.376  1.0
  O  O29  1  0.500  0.500  0.379  1.0
  O  O30  1  0.000  0.835  0.833  1.0
  O  O31  1  0.000  0.165  0.833  1.0
  O  O32  1  0.000  0.500  0.845  1.0
  O  O33  1  0.000  0.835  0.167  1.0
  O  O34  1  0.000  0.165  0.167  1.0
  O  O35  1  0.000  0.500  0.155  1.0
  O  O36  1  0.500  0.387  0.000  1.0
  O  O37  1  0.500  0.613  0.000  1.0
[/CIF]
.
The structure described by Sr6CaY2TiCu6(HgO10)2 crystallizes in the orthorhombic Pmmm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(3), and four equivalent O(5) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(7), two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms. Ca(1) is bonded in a body-centered cubic geometry to four equivalent O(1) and four equivalent O(3) atoms. Y(1) is bonded in a body-centered cubic geometry to two equivalent O(3), two equivalent O(4), and four equivalent O(2) atoms. Ti(1) is bonded to two equivalent O(6) and four equivalent O(7) atoms to form TiO6 octahedra that share corners with two equivalent Cu(2)O5 square pyramids and edges with two equivalent Ti(1)O6 octahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(2), one O(5), and two equivalent O(3) atoms to form distorted corner-sharing CuO5 square pyramids. In the second Cu site, Cu(2) is bonded to one O(6), two equivalent O(2), and two equivalent O(4) atoms to form distorted CuO5 square pyramids that share  a cornercorner with one Ti(1)O6 octahedra, corners with two equivalent Cu(1)O5 square pyramids, and corners with two equivalent Cu(2)O5 square pyramids. The corner-sharing octahedra are not tilted. Hg(1) is bonded in a linear geometry to two equivalent O(5) atoms. There are seven inequivalent O sites. In the first O site, O(6) is bonded in a distorted single-bond geometry to four equivalent Sr(2), one Ti(1), and one Cu(2) atom. In the second O site, O(7) is bonded in a distorted see-saw-like geometry to two equivalent Sr(2) and two equivalent Ti(1) atoms. In the third O site, O(1) is bonded to two equivalent Sr(1), two equivalent Ca(1), and two equivalent Cu(1) atoms to form OSr2Ca2Cu2 octahedra that share corners with two equivalent O(1)Sr2Ca2Cu2 octahedra, corners with two equivalent O(2)Sr2Y2Cu2 octahedra, corners with four equivalent O(3)Sr2CaYCu2 octahedra, corners with four equivalent O(5)Sr4CuHg octahedra, edges with three equivalent O(1)Sr2Ca2Cu2 octahedra, faces with two equivalent O(5)Sr4CuHg octahedra, and faces with four equivalent O(3)Sr2CaYCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-67°. In the fourth O site, O(2) is bonded to two equivalent Sr(2), two equivalent Y(1), one Cu(1), and one Cu(2) atom to form distorted OSr2Y2Cu2 octahedra that share  a cornercorner with one O(1)Sr2Ca2Cu2 octahedra, corners with two equivalent O(3)Sr2CaYCu2 octahedra, corners with two equivalent O(5)Sr4CuHg octahedra, corners with three equivalent O(2)Sr2Y2Cu2 octahedra, edges with three equivalent O(2)Sr2Y2Cu2 octahedra,  a faceface with one O(5)Sr4CuHg octahedra, and faces with two equivalent O(3)Sr2CaYCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-67°. In the fifth O site, O(3) is bonded to one Sr(1), one Sr(2), one Ca(1), one Y(1), and two equivalent Cu(1) atoms to form distorted OSr2CaYCu2 octahedra that share corners with two equivalent O(1)Sr2Ca2Cu2 octahedra, corners with two equivalent O(2)Sr2Y2Cu2 octahedra, corners with two equivalent O(5)Sr4CuHg octahedra, corners with three equivalent O(3)Sr2CaYCu2 octahedra, edges with two equivalent O(3)Sr2CaYCu2 octahedra, faces with two equivalent O(1)Sr2Ca2Cu2 octahedra, faces with two equivalent O(2)Sr2Y2Cu2 octahedra, and faces with two equivalent O(5)Sr4CuHg octahedra. The corner-sharing octahedral tilt angles range from 0-67°. In the sixth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Sr(2), two equivalent Y(1), and two equivalent Cu(2) atoms. In the seventh O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Cu(1), and one Hg(1) atom to form distorted OSr4CuHg octahedra that share corners with two equivalent O(1)Sr2Ca2Cu2 octahedra, corners with two equivalent O(3)Sr2CaYCu2 octahedra, corners with two equivalent O(2)Sr2Y2Cu2 octahedra, corners with three equivalent O(5)Sr4CuHg octahedra, edges with three equivalent O(5)Sr4CuHg octahedra,  a faceface with one O(1)Sr2Ca2Cu2 octahedra,  a faceface with one O(2)Sr2Y2Cu2 octahedra, and faces with two equivalent O(3)Sr2CaYCu2 octahedra. The corner-sharing octahedral tilt angles range from 3-56°. is represented by the CIF file [CIF]
data_Sr6CaY2TiCu6(HgO10)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.770
_cell_length_b   11.629
_cell_length_c   12.132
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   531.948
_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  0.500  0.000  0.775  1.0
  Sr  Sr1  1  0.500  0.338  0.795  1.0
  Sr  Sr2  1  0.500  0.662  0.795  1.0
  Sr  Sr3  1  0.500  0.000  0.225  1.0
  Sr  Sr4  1  0.500  0.338  0.205  1.0
  Sr  Sr5  1  0.500  0.662  0.205  1.0
  Ca  Ca6  1  0.500  0.000  0.500  1.0
  Y  Y7  1  0.500  0.332  0.500  1.0
  Y  Y8  1  0.500  0.668  0.500  1.0
  Ti  Ti9  1  0.000  0.500  0.000  1.0
  Cu  Cu10  1  0.000  0.833  0.634  1.0
  Cu  Cu11  1  0.000  0.167  0.634  1.0
  Cu  Cu12  1  0.000  0.500  0.636  1.0
  Cu  Cu13  1  0.000  0.833  0.366  1.0
  Cu  Cu14  1  0.000  0.167  0.366  1.0
  Cu  Cu15  1  0.000  0.500  0.364  1.0
  Hg  Hg16  1  0.000  0.831  0.000  1.0
  Hg  Hg17  1  0.000  0.169  0.000  1.0
  O  O18  1  0.000  0.000  0.631  1.0
  O  O19  1  0.000  0.334  0.623  1.0
  O  O20  1  0.000  0.666  0.623  1.0
  O  O21  1  0.500  0.828  0.624  1.0
  O  O22  1  0.500  0.172  0.624  1.0
  O  O23  1  0.500  0.500  0.621  1.0
  O  O24  1  0.000  0.000  0.369  1.0
  O  O25  1  0.000  0.334  0.377  1.0
  O  O26  1  0.000  0.666  0.377  1.0
  O  O27  1  0.500  0.828  0.376  1.0
  O  O28  1  0.500  0.172  0.376  1.0
  O  O29  1  0.500  0.500  0.379  1.0
  O  O30  1  0.000  0.835  0.833  1.0
  O  O31  1  0.000  0.165  0.833  1.0
  O  O32  1  0.000  0.500  0.845  1.0
  O  O33  1  0.000  0.835  0.167  1.0
  O  O34  1  0.000  0.165  0.167  1.0
  O  O35  1  0.000  0.500  0.155  1.0
  O  O36  1  0.500  0.387  0.000  1.0
  O  O37  1  0.500  0.613  0.000  1.0
[/CIF]
.