The crystal structure described by Sr2La6IrCu3O16 crystallizes in the monoclinic C2/m space group. Sr(1) is bonded in a 8-coordinate geometry to one O(3), one O(6), two equivalent O(5), and four equivalent O(2) atoms. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(5), one O(6), two equivalent O(1), two equivalent O(2), and three equivalent O(3) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(6), two equivalent O(1), two equivalent O(2), and three equivalent O(4) atoms. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(5), two equivalent O(6), and four equivalent O(1) atoms. Ir(1) is bonded to two equivalent O(5) and four equivalent O(2) atoms to form IrO6 octahedra that share corners with four equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles are 15°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form distorted CuO6 octahedra that share corners with two equivalent Ir(1)O6 octahedra and corners with two equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-15°. In the second Cu site, Cu(2) is bonded to two equivalent O(6) and four equivalent O(1) atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles are 4°. There are six inequivalent O sites. In the first O site, O(3) is bonded in a 6-coordinate geometry to one Sr(1), one La(3), three equivalent La(1), and one Cu(1) atom. In the second O site, O(4) is bonded in a 5-coordinate geometry to one La(3), three equivalent La(2), and one Cu(1) atom. In the third O site, O(5) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one La(1), one La(3), and one Ir(1) atom. In the fourth O site, O(6) is bonded in a 6-coordinate geometry to one Sr(1), one La(1), one La(2), two equivalent La(3), and one Cu(2) atom. In the fifth O site, O(1) is bonded to one La(1), one La(2), two equivalent La(3), one Cu(1), and one Cu(2) atom to form distorted OLa4Cu2 octahedra that share  a cornercorner with one O(1)La4Cu2 octahedra,  a cornercorner with one O(2)Sr2La2CuIr octahedra,  an edgeedge with one O(1)La4Cu2 octahedra,  an edgeedge with one O(2)Sr2La2CuIr octahedra,  a faceface with one O(2)Sr2La2CuIr octahedra, and faces with three equivalent O(1)La4Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-8°. In the sixth O site, O(2) is bonded to two equivalent Sr(1), one La(1), one La(2), one Ir(1), and one Cu(1) atom to form distorted OSr2La2CuIr octahedra that share  a cornercorner with one O(1)La4Cu2 octahedra,  a cornercorner with one O(2)Sr2La2CuIr octahedra,  an edgeedge with one O(1)La4Cu2 octahedra,  an edgeedge with one O(2)Sr2La2CuIr octahedra,  a faceface with one O(1)La4Cu2 octahedra, and faces with three equivalent O(2)Sr2La2CuIr octahedra. The corner-sharing octahedral tilt angles range from 0-8°. is represented by the CIF card [CIF]
data_Sr2La6Cu3IrO16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.927
_cell_length_b   8.927
_cell_length_c   11.059
_cell_angle_alpha   52.013
_cell_angle_beta   52.013
_cell_angle_gamma   35.296
_symmetry_Int_Tables_number   1
_cell_volume   388.710
_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  0.362  0.362  0.633  1.0
  Sr  Sr1  1  0.638  0.638  0.367  1.0
  La  La2  1  0.139  0.139  0.612  1.0
  La  La3  1  0.140  0.140  0.097  1.0
  La  La4  1  0.861  0.861  0.388  1.0
  La  La5  1  0.860  0.860  0.903  1.0
  La  La6  1  0.357  0.357  0.141  1.0
  La  La7  1  0.643  0.643  0.859  1.0
  Cu  Cu8  1  0.506  0.506  0.747  1.0
  Cu  Cu9  1  0.494  0.494  0.253  1.0
  Cu  Cu10  1  0.000  0.000  0.000  1.0
  Ir  Ir11  1  0.000  0.000  0.500  1.0
  O  O12  1  0.248  0.737  0.130  1.0
  O  O13  1  0.231  0.737  0.650  1.0
  O  O14  1  0.263  0.752  0.870  1.0
  O  O15  1  0.263  0.769  0.350  1.0
  O  O16  1  0.752  0.263  0.870  1.0
  O  O17  1  0.769  0.263  0.350  1.0
  O  O18  1  0.737  0.248  0.130  1.0
  O  O19  1  0.737  0.231  0.650  1.0
  O  O20  1  0.313  0.313  0.434  1.0
  O  O21  1  0.310  0.310  0.979  1.0
  O  O22  1  0.687  0.687  0.566  1.0
  O  O23  1  0.690  0.690  0.021  1.0
  O  O24  1  0.163  0.163  0.358  1.0
  O  O25  1  0.176  0.176  0.839  1.0
  O  O26  1  0.837  0.837  0.642  1.0
  O  O27  1  0.824  0.824  0.161  1.0
[/CIF]
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The crystal structure described by Sr2La6IrCu3O16 crystallizes in the monoclinic C2/m space group. Sr(1) is bonded in a 8-coordinate geometry to one O(3), one O(6), two equivalent O(5), and four equivalent O(2) atoms. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(5), one O(6), two equivalent O(1), two equivalent O(2), and three equivalent O(3) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(6), two equivalent O(1), two equivalent O(2), and three equivalent O(4) atoms. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(5), two equivalent O(6), and four equivalent O(1) atoms. Ir(1) is bonded to two equivalent O(5) and four equivalent O(2) atoms to form IrO6 octahedra that share corners with four equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles are 15°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form distorted CuO6 octahedra that share corners with two equivalent Ir(1)O6 octahedra and corners with two equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-15°. In the second Cu site, Cu(2) is bonded to two equivalent O(6) and four equivalent O(1) atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles are 4°. There are six inequivalent O sites. In the first O site, O(3) is bonded in a 6-coordinate geometry to one Sr(1), one La(3), three equivalent La(1), and one Cu(1) atom. In the second O site, O(4) is bonded in a 5-coordinate geometry to one La(3), three equivalent La(2), and one Cu(1) atom. In the third O site, O(5) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one La(1), one La(3), and one Ir(1) atom. In the fourth O site, O(6) is bonded in a 6-coordinate geometry to one Sr(1), one La(1), one La(2), two equivalent La(3), and one Cu(2) atom. In the fifth O site, O(1) is bonded to one La(1), one La(2), two equivalent La(3), one Cu(1), and one Cu(2) atom to form distorted OLa4Cu2 octahedra that share  a cornercorner with one O(1)La4Cu2 octahedra,  a cornercorner with one O(2)Sr2La2CuIr octahedra,  an edgeedge with one O(1)La4Cu2 octahedra,  an edgeedge with one O(2)Sr2La2CuIr octahedra,  a faceface with one O(2)Sr2La2CuIr octahedra, and faces with three equivalent O(1)La4Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-8°. In the sixth O site, O(2) is bonded to two equivalent Sr(1), one La(1), one La(2), one Ir(1), and one Cu(1) atom to form distorted OSr2La2CuIr octahedra that share  a cornercorner with one O(1)La4Cu2 octahedra,  a cornercorner with one O(2)Sr2La2CuIr octahedra,  an edgeedge with one O(1)La4Cu2 octahedra,  an edgeedge with one O(2)Sr2La2CuIr octahedra,  a faceface with one O(1)La4Cu2 octahedra, and faces with three equivalent O(2)Sr2La2CuIr octahedra. The corner-sharing octahedral tilt angles range from 0-8°. is represented by the CIF card [CIF]
data_Sr2La6Cu3IrO16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.927
_cell_length_b   8.927
_cell_length_c   11.059
_cell_angle_alpha   52.013
_cell_angle_beta   52.013
_cell_angle_gamma   35.296
_symmetry_Int_Tables_number   1
_cell_volume   388.710
_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  0.362  0.362  0.633  1.0
  Sr  Sr1  1  0.638  0.638  0.367  1.0
  La  La2  1  0.139  0.139  0.612  1.0
  La  La3  1  0.140  0.140  0.097  1.0
  La  La4  1  0.861  0.861  0.388  1.0
  La  La5  1  0.860  0.860  0.903  1.0
  La  La6  1  0.357  0.357  0.141  1.0
  La  La7  1  0.643  0.643  0.859  1.0
  Cu  Cu8  1  0.506  0.506  0.747  1.0
  Cu  Cu9  1  0.494  0.494  0.253  1.0
  Cu  Cu10  1  0.000  0.000  0.000  1.0
  Ir  Ir11  1  0.000  0.000  0.500  1.0
  O  O12  1  0.248  0.737  0.130  1.0
  O  O13  1  0.231  0.737  0.650  1.0
  O  O14  1  0.263  0.752  0.870  1.0
  O  O15  1  0.263  0.769  0.350  1.0
  O  O16  1  0.752  0.263  0.870  1.0
  O  O17  1  0.769  0.263  0.350  1.0
  O  O18  1  0.737  0.248  0.130  1.0
  O  O19  1  0.737  0.231  0.650  1.0
  O  O20  1  0.313  0.313  0.434  1.0
  O  O21  1  0.310  0.310  0.979  1.0
  O  O22  1  0.687  0.687  0.566  1.0
  O  O23  1  0.690  0.690  0.021  1.0
  O  O24  1  0.163  0.163  0.358  1.0
  O  O25  1  0.176  0.176  0.839  1.0
  O  O26  1  0.837  0.837  0.642  1.0
  O  O27  1  0.824  0.824  0.161  1.0
[/CIF]
.