The material structure described by SrLa7Ti4(Cu2O11)2 crystallizes in the monoclinic Pm space group. Sr(1) is bonded in a 7-coordinate geometry to one O(6), two equivalent O(11), two equivalent O(4), and two equivalent O(9) atoms. There are five inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(12), one O(2), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. In the third La site, La(3) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(10), two equivalent O(5), and two equivalent O(8) atoms. In the fourth La site, La(4) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(10), two equivalent O(2), and two equivalent O(8) atoms. In the fifth La site, La(5) is bonded in a 7-coordinate geometry to one O(6), two equivalent O(11), two equivalent O(3), and two equivalent O(9) atoms. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(10), one O(12), one O(2), one O(5), and one O(8) atom to form TiO6 octahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Cu(1)O5 square pyramid, and corners with four equivalent Cu(2)O5 square pyramids. The corner-sharing octahedral tilt angles are 31°. In the second Ti site, Ti(2) is bonded to one O(11), one O(3), one O(4), one O(6), one O(7), and one O(9) atom to form TiO6 octahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Cu(2)O5 square pyramid, and corners with four equivalent Cu(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 32°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(11), one O(12), one O(3), one O(4), and one O(9) atom to form CuO5 square pyramids that share  a cornercorner with one Ti(1)O6 octahedra and corners with four equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-32°. In the second Cu site, Cu(2) is bonded to one O(10), one O(2), one O(5), one O(7), and one O(8) atom to form CuO5 square pyramids that share  a cornercorner with one Ti(2)O6 octahedra and corners with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-31°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one La(3), one La(4), and two equivalent Ti(1) atoms. In the second O site, O(2) is bonded in a 5-coordinate geometry to one La(1), one La(2), one La(4), one Ti(1), and one Cu(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one La(1), one La(2), one La(5), one Ti(2), and one Cu(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Sr(1), one La(1), one La(2), one Ti(2), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one La(1), one La(2), one La(3), one Ti(1), and one Cu(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(1), one La(5), and two equivalent Ti(2) atoms. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Ti(2), and one Cu(2) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one La(2), one La(3), one La(4), one Ti(1), and one Cu(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Sr(1), one La(2), one La(5), one Ti(2), and one Cu(1) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one La(1), one La(3), one La(4), one Ti(1), and one Cu(2) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Sr(1), one La(1), one La(5), one Ti(2), and one Cu(1) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Ti(1), and one Cu(1) atom. is represented by the CIF file [CIF]
data_SrLa7Ti4(Cu2O11)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.602
_cell_length_b   5.672
_cell_length_c   15.756
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.092
_symmetry_Int_Tables_number   1
_cell_volume   500.585
_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  0.470  0.875  1.0
  La  La1  1  0.010  0.040  0.121  1.0
  La  La2  1  0.010  0.040  0.629  1.0
  La  La3  1  0.487  0.543  0.124  1.0
  La  La4  1  0.487  0.543  0.626  1.0
  La  La5  1  0.515  0.451  0.375  1.0
  La  La6  1  0.985  0.960  0.375  1.0
  La  La7  1  0.986  0.953  0.875  1.0
  Ti  Ti8  1  0.997  0.501  0.251  1.0
  Ti  Ti9  1  0.997  0.501  0.499  1.0
  Ti  Ti10  1  0.511  0.003  0.998  1.0
  Ti  Ti11  1  0.511  0.003  0.752  1.0
  Cu  Cu12  1  1.000  0.501  0.000  1.0
  Cu  Cu13  1  1.000  0.501  0.750  1.0
  Cu  Cu14  1  0.498  1.000  0.250  1.0
  Cu  Cu15  1  0.498  1.000  0.500  1.0
  O  O16  1  0.091  0.523  0.375  1.0
  O  O17  1  0.191  0.787  0.519  1.0
  O  O18  1  0.228  0.791  0.018  1.0
  O  O19  1  0.191  0.787  0.231  1.0
  O  O20  1  0.228  0.791  0.732  1.0
  O  O21  1  0.299  0.280  0.022  1.0
  O  O22  1  0.274  0.298  0.232  1.0
  O  O23  1  0.299  0.280  0.728  1.0
  O  O24  1  0.274  0.298  0.518  1.0
  O  O25  1  0.413  0.016  0.875  1.0
  O  O26  1  0.593  0.974  0.118  1.0
  O  O27  1  0.593  0.974  0.632  1.0
  O  O28  1  0.719  0.708  0.280  1.0
  O  O29  1  0.719  0.708  0.470  1.0
  O  O30  1  0.721  0.730  0.777  1.0
  O  O31  1  0.721  0.730  0.973  1.0
  O  O32  1  0.788  0.224  0.469  1.0
  O  O33  1  0.788  0.224  0.281  1.0
  O  O34  1  0.787  0.206  0.776  1.0
  O  O35  1  0.787  0.206  0.974  1.0
  O  O36  1  0.901  0.473  0.616  1.0
  O  O37  1  0.901  0.473  0.134  1.0
[/CIF]
.
The material structure described by SrLa7Ti4(Cu2O11)2 crystallizes in the monoclinic Pm space group. Sr(1) is bonded in a 7-coordinate geometry to one O(6), two equivalent O(11), two equivalent O(4), and two equivalent O(9) atoms. There are five inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(12), one O(2), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. In the third La site, La(3) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(10), two equivalent O(5), and two equivalent O(8) atoms. In the fourth La site, La(4) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(10), two equivalent O(2), and two equivalent O(8) atoms. In the fifth La site, La(5) is bonded in a 7-coordinate geometry to one O(6), two equivalent O(11), two equivalent O(3), and two equivalent O(9) atoms. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(10), one O(12), one O(2), one O(5), and one O(8) atom to form TiO6 octahedra that share  a cornercorner with one Ti(1)O6 octahedra,  a cornercorner with one Cu(1)O5 square pyramid, and corners with four equivalent Cu(2)O5 square pyramids. The corner-sharing octahedral tilt angles are 31°. In the second Ti site, Ti(2) is bonded to one O(11), one O(3), one O(4), one O(6), one O(7), and one O(9) atom to form TiO6 octahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Cu(2)O5 square pyramid, and corners with four equivalent Cu(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 32°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(11), one O(12), one O(3), one O(4), and one O(9) atom to form CuO5 square pyramids that share  a cornercorner with one Ti(1)O6 octahedra and corners with four equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-32°. In the second Cu site, Cu(2) is bonded to one O(10), one O(2), one O(5), one O(7), and one O(8) atom to form CuO5 square pyramids that share  a cornercorner with one Ti(2)O6 octahedra and corners with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-31°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one La(3), one La(4), and two equivalent Ti(1) atoms. In the second O site, O(2) is bonded in a 5-coordinate geometry to one La(1), one La(2), one La(4), one Ti(1), and one Cu(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one La(1), one La(2), one La(5), one Ti(2), and one Cu(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Sr(1), one La(1), one La(2), one Ti(2), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one La(1), one La(2), one La(3), one Ti(1), and one Cu(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(1), one La(5), and two equivalent Ti(2) atoms. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Ti(2), and one Cu(2) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one La(2), one La(3), one La(4), one Ti(1), and one Cu(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Sr(1), one La(2), one La(5), one Ti(2), and one Cu(1) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one La(1), one La(3), one La(4), one Ti(1), and one Cu(2) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Sr(1), one La(1), one La(5), one Ti(2), and one Cu(1) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Ti(1), and one Cu(1) atom. is represented by the CIF file [CIF]
data_SrLa7Ti4(Cu2O11)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.602
_cell_length_b   5.672
_cell_length_c   15.756
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.092
_symmetry_Int_Tables_number   1
_cell_volume   500.585
_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  0.470  0.875  1.0
  La  La1  1  0.010  0.040  0.121  1.0
  La  La2  1  0.010  0.040  0.629  1.0
  La  La3  1  0.487  0.543  0.124  1.0
  La  La4  1  0.487  0.543  0.626  1.0
  La  La5  1  0.515  0.451  0.375  1.0
  La  La6  1  0.985  0.960  0.375  1.0
  La  La7  1  0.986  0.953  0.875  1.0
  Ti  Ti8  1  0.997  0.501  0.251  1.0
  Ti  Ti9  1  0.997  0.501  0.499  1.0
  Ti  Ti10  1  0.511  0.003  0.998  1.0
  Ti  Ti11  1  0.511  0.003  0.752  1.0
  Cu  Cu12  1  1.000  0.501  0.000  1.0
  Cu  Cu13  1  1.000  0.501  0.750  1.0
  Cu  Cu14  1  0.498  1.000  0.250  1.0
  Cu  Cu15  1  0.498  1.000  0.500  1.0
  O  O16  1  0.091  0.523  0.375  1.0
  O  O17  1  0.191  0.787  0.519  1.0
  O  O18  1  0.228  0.791  0.018  1.0
  O  O19  1  0.191  0.787  0.231  1.0
  O  O20  1  0.228  0.791  0.732  1.0
  O  O21  1  0.299  0.280  0.022  1.0
  O  O22  1  0.274  0.298  0.232  1.0
  O  O23  1  0.299  0.280  0.728  1.0
  O  O24  1  0.274  0.298  0.518  1.0
  O  O25  1  0.413  0.016  0.875  1.0
  O  O26  1  0.593  0.974  0.118  1.0
  O  O27  1  0.593  0.974  0.632  1.0
  O  O28  1  0.719  0.708  0.280  1.0
  O  O29  1  0.719  0.708  0.470  1.0
  O  O30  1  0.721  0.730  0.777  1.0
  O  O31  1  0.721  0.730  0.973  1.0
  O  O32  1  0.788  0.224  0.469  1.0
  O  O33  1  0.788  0.224  0.281  1.0
  O  O34  1  0.787  0.206  0.776  1.0
  O  O35  1  0.787  0.206  0.974  1.0
  O  O36  1  0.901  0.473  0.616  1.0
  O  O37  1  0.901  0.473  0.134  1.0
[/CIF]
.