The structure described by Cu9Zn2O13 crystallizes in the monoclinic C2/m space group. There are five inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent O(6) and four equivalent O(7) atoms to form a mixture of edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles are 10°. In the second Cu site, Cu(2) is bonded to one O(4), two equivalent O(1), and three equivalent O(3) atoms to form a mixture of edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the third Cu site, Cu(3) is bonded to one O(5), two equivalent O(6), and three equivalent O(7) atoms to form a mixture of edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles range from 2-15°. In the fourth Cu site, Cu(4) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form a mixture of edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles range from 0-63°. In the fifth Cu site, Cu(5) is bonded to one O(2), one O(7), two equivalent O(5), and two equivalent O(6) atoms to form a mixture of distorted edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles range from 2-63°. Zn(1) is bonded in a 6-coordinate geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. There are seven inequivalent O sites. In the first O site, O(7) is bonded to one Cu(5), two equivalent Cu(1), and three equivalent Cu(3) atoms to form distorted OCu6 octahedra that share corners with two equivalent O(7)Cu6 octahedra, corners with two equivalent O(6)Cu5 square pyramids,  a cornercorner with one O(2)Zn2Cu2 tetrahedra,  a cornercorner with one O(5)Zn2Cu3 trigonal bipyramid, edges with five equivalent O(7)Cu6 octahedra, edges with five equivalent O(6)Cu5 square pyramids, and edges with two equivalent O(5)Zn2Cu3 trigonal bipyramids. The corner-sharing octahedra are not tilted. In the second O site, O(1) is bonded to two equivalent Cu(4) and four equivalent Cu(2) atoms to form OCu6 octahedra that share corners with four equivalent O(3)Cu5 square pyramids, corners with two equivalent O(2)Zn2Cu2 tetrahedra, edges with two equivalent O(1)Cu6 octahedra, edges with six equivalent O(3)Cu5 square pyramids, and edges with four equivalent O(4)Zn2Cu3 trigonal bipyramids. In the third O site, O(2) is bonded to one Cu(4), one Cu(5), and two equivalent Zn(1) atoms to form OZn2Cu2 tetrahedra that share  a cornercorner with one O(1)Cu6 octahedra,  a cornercorner with one O(7)Cu6 octahedra, corners with two equivalent O(3)Cu5 square pyramids, corners with two equivalent O(6)Cu5 square pyramids, corners with two equivalent O(2)Zn2Cu2 tetrahedra, corners with four equivalent O(4)Zn2Cu3 trigonal bipyramids, corners with four equivalent O(5)Zn2Cu3 trigonal bipyramids,  an edgeedge with one O(4)Zn2Cu3 trigonal bipyramid, and  an edgeedge with one O(5)Zn2Cu3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 5-7°. In the fourth O site, O(3) is bonded to two equivalent Cu(4) and three equivalent Cu(2) atoms to form OCu5 square pyramids that share corners with two equivalent O(1)Cu6 octahedra, corners with two equivalent O(2)Zn2Cu2 tetrahedra, corners with five equivalent O(4)Zn2Cu3 trigonal bipyramids, edges with three equivalent O(1)Cu6 octahedra, edges with four equivalent O(3)Cu5 square pyramids, and  an edgeedge with one O(4)Zn2Cu3 trigonal bipyramid. The corner-sharing octahedral tilt angles are 6°. In the fifth O site, O(4) is bonded to one Cu(2), two equivalent Cu(4), and two equivalent Zn(1) atoms to form distorted OZn2Cu3 trigonal bipyramids that share corners with five equivalent O(3)Cu5 square pyramids, corners with four equivalent O(2)Zn2Cu2 tetrahedra, corners with two equivalent O(5)Zn2Cu3 trigonal bipyramids, edges with two equivalent O(1)Cu6 octahedra,  an edgeedge with one O(3)Cu5 square pyramid,  an edgeedge with one O(2)Zn2Cu2 tetrahedra,  an edgeedge with one O(5)Zn2Cu3 trigonal bipyramid, and edges with two equivalent O(4)Zn2Cu3 trigonal bipyramids. In the sixth O site, O(5) is bonded to one Cu(3), two equivalent Cu(5), and two equivalent Zn(1) atoms to form distorted OZn2Cu3 trigonal bipyramids that share  a cornercorner with one O(7)Cu6 octahedra, corners with four equivalent O(6)Cu5 square pyramids, corners with four equivalent O(2)Zn2Cu2 tetrahedra, corners with two equivalent O(4)Zn2Cu3 trigonal bipyramids, edges with two equivalent O(7)Cu6 octahedra,  an edgeedge with one O(6)Cu5 square pyramid,  an edgeedge with one O(2)Zn2Cu2 tetrahedra,  an edgeedge with one O(4)Zn2Cu3 trigonal bipyramid, and edges with two equivalent O(5)Zn2Cu3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 3°. In the seventh O site, O(6) is bonded to one Cu(1), two equivalent Cu(3), and two equivalent Cu(5) atoms to form OCu5 square pyramids that share corners with two equivalent O(7)Cu6 octahedra,  a cornercorner with one O(6)Cu5 square pyramid, corners with two equivalent O(2)Zn2Cu2 tetrahedra, corners with four equivalent O(5)Zn2Cu3 trigonal bipyramids, edges with five equivalent O(7)Cu6 octahedra, edges with two equivalent O(6)Cu5 square pyramids, and  an edgeedge with one O(5)Zn2Cu3 trigonal bipyramid. The corner-sharing octahedral tilt angles are 11°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Zn2Cu9O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.130
_cell_length_b   5.130
_cell_length_c   16.351
_cell_angle_alpha   82.048
_cell_angle_beta   82.048
_cell_angle_gamma   33.252
_symmetry_Int_Tables_number   1
_cell_volume   233.477
_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
  Zn  Zn0  1  0.786  0.786  0.227  1.0
  Zn  Zn1  1  0.214  0.214  0.773  1.0
  Cu  Cu2  1  0.500  0.500  0.500  1.0
  Cu  Cu3  1  0.357  0.357  0.041  1.0
  Cu  Cu4  1  0.643  0.643  0.959  1.0
  Cu  Cu5  1  0.252  0.252  0.419  1.0
  Cu  Cu6  1  0.748  0.748  0.581  1.0
  Cu  Cu7  1  0.068  0.068  0.123  1.0
  Cu  Cu8  1  0.932  0.932  0.877  1.0
  Cu  Cu9  1  0.009  0.009  0.332  1.0
  Cu  Cu10  1  0.991  0.991  0.668  1.0
  O  O11  1  0.000  0.000  0.000  1.0
  O  O12  1  0.145  0.145  0.227  1.0
  O  O13  1  0.855  0.855  0.773  1.0
  O  O14  1  0.701  0.701  0.070  1.0
  O  O15  1  0.299  0.299  0.930  1.0
  O  O16  1  0.420  0.420  0.146  1.0
  O  O17  1  0.580  0.580  0.854  1.0
  O  O18  1  0.374  0.374  0.316  1.0
  O  O19  1  0.626  0.626  0.684  1.0
  O  O20  1  0.609  0.609  0.388  1.0
  O  O21  1  0.391  0.391  0.612  1.0
  O  O22  1  0.869  0.869  0.470  1.0
  O  O23  1  0.131  0.131  0.530  1.0
[/CIF]
.
The structure described by Cu9Zn2O13 crystallizes in the monoclinic C2/m space group. There are five inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent O(6) and four equivalent O(7) atoms to form a mixture of edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles are 10°. In the second Cu site, Cu(2) is bonded to one O(4), two equivalent O(1), and three equivalent O(3) atoms to form a mixture of edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the third Cu site, Cu(3) is bonded to one O(5), two equivalent O(6), and three equivalent O(7) atoms to form a mixture of edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles range from 2-15°. In the fourth Cu site, Cu(4) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form a mixture of edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles range from 0-63°. In the fifth Cu site, Cu(5) is bonded to one O(2), one O(7), two equivalent O(5), and two equivalent O(6) atoms to form a mixture of distorted edge and corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles range from 2-63°. Zn(1) is bonded in a 6-coordinate geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. There are seven inequivalent O sites. In the first O site, O(7) is bonded to one Cu(5), two equivalent Cu(1), and three equivalent Cu(3) atoms to form distorted OCu6 octahedra that share corners with two equivalent O(7)Cu6 octahedra, corners with two equivalent O(6)Cu5 square pyramids,  a cornercorner with one O(2)Zn2Cu2 tetrahedra,  a cornercorner with one O(5)Zn2Cu3 trigonal bipyramid, edges with five equivalent O(7)Cu6 octahedra, edges with five equivalent O(6)Cu5 square pyramids, and edges with two equivalent O(5)Zn2Cu3 trigonal bipyramids. The corner-sharing octahedra are not tilted. In the second O site, O(1) is bonded to two equivalent Cu(4) and four equivalent Cu(2) atoms to form OCu6 octahedra that share corners with four equivalent O(3)Cu5 square pyramids, corners with two equivalent O(2)Zn2Cu2 tetrahedra, edges with two equivalent O(1)Cu6 octahedra, edges with six equivalent O(3)Cu5 square pyramids, and edges with four equivalent O(4)Zn2Cu3 trigonal bipyramids. In the third O site, O(2) is bonded to one Cu(4), one Cu(5), and two equivalent Zn(1) atoms to form OZn2Cu2 tetrahedra that share  a cornercorner with one O(1)Cu6 octahedra,  a cornercorner with one O(7)Cu6 octahedra, corners with two equivalent O(3)Cu5 square pyramids, corners with two equivalent O(6)Cu5 square pyramids, corners with two equivalent O(2)Zn2Cu2 tetrahedra, corners with four equivalent O(4)Zn2Cu3 trigonal bipyramids, corners with four equivalent O(5)Zn2Cu3 trigonal bipyramids,  an edgeedge with one O(4)Zn2Cu3 trigonal bipyramid, and  an edgeedge with one O(5)Zn2Cu3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 5-7°. In the fourth O site, O(3) is bonded to two equivalent Cu(4) and three equivalent Cu(2) atoms to form OCu5 square pyramids that share corners with two equivalent O(1)Cu6 octahedra, corners with two equivalent O(2)Zn2Cu2 tetrahedra, corners with five equivalent O(4)Zn2Cu3 trigonal bipyramids, edges with three equivalent O(1)Cu6 octahedra, edges with four equivalent O(3)Cu5 square pyramids, and  an edgeedge with one O(4)Zn2Cu3 trigonal bipyramid. The corner-sharing octahedral tilt angles are 6°. In the fifth O site, O(4) is bonded to one Cu(2), two equivalent Cu(4), and two equivalent Zn(1) atoms to form distorted OZn2Cu3 trigonal bipyramids that share corners with five equivalent O(3)Cu5 square pyramids, corners with four equivalent O(2)Zn2Cu2 tetrahedra, corners with two equivalent O(5)Zn2Cu3 trigonal bipyramids, edges with two equivalent O(1)Cu6 octahedra,  an edgeedge with one O(3)Cu5 square pyramid,  an edgeedge with one O(2)Zn2Cu2 tetrahedra,  an edgeedge with one O(5)Zn2Cu3 trigonal bipyramid, and edges with two equivalent O(4)Zn2Cu3 trigonal bipyramids. In the sixth O site, O(5) is bonded to one Cu(3), two equivalent Cu(5), and two equivalent Zn(1) atoms to form distorted OZn2Cu3 trigonal bipyramids that share  a cornercorner with one O(7)Cu6 octahedra, corners with four equivalent O(6)Cu5 square pyramids, corners with four equivalent O(2)Zn2Cu2 tetrahedra, corners with two equivalent O(4)Zn2Cu3 trigonal bipyramids, edges with two equivalent O(7)Cu6 octahedra,  an edgeedge with one O(6)Cu5 square pyramid,  an edgeedge with one O(2)Zn2Cu2 tetrahedra,  an edgeedge with one O(4)Zn2Cu3 trigonal bipyramid, and edges with two equivalent O(5)Zn2Cu3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 3°. In the seventh O site, O(6) is bonded to one Cu(1), two equivalent Cu(3), and two equivalent Cu(5) atoms to form OCu5 square pyramids that share corners with two equivalent O(7)Cu6 octahedra,  a cornercorner with one O(6)Cu5 square pyramid, corners with two equivalent O(2)Zn2Cu2 tetrahedra, corners with four equivalent O(5)Zn2Cu3 trigonal bipyramids, edges with five equivalent O(7)Cu6 octahedra, edges with two equivalent O(6)Cu5 square pyramids, and  an edgeedge with one O(5)Zn2Cu3 trigonal bipyramid. The corner-sharing octahedral tilt angles are 11°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Zn2Cu9O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.130
_cell_length_b   5.130
_cell_length_c   16.351
_cell_angle_alpha   82.048
_cell_angle_beta   82.048
_cell_angle_gamma   33.252
_symmetry_Int_Tables_number   1
_cell_volume   233.477
_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
  Zn  Zn0  1  0.786  0.786  0.227  1.0
  Zn  Zn1  1  0.214  0.214  0.773  1.0
  Cu  Cu2  1  0.500  0.500  0.500  1.0
  Cu  Cu3  1  0.357  0.357  0.041  1.0
  Cu  Cu4  1  0.643  0.643  0.959  1.0
  Cu  Cu5  1  0.252  0.252  0.419  1.0
  Cu  Cu6  1  0.748  0.748  0.581  1.0
  Cu  Cu7  1  0.068  0.068  0.123  1.0
  Cu  Cu8  1  0.932  0.932  0.877  1.0
  Cu  Cu9  1  0.009  0.009  0.332  1.0
  Cu  Cu10  1  0.991  0.991  0.668  1.0
  O  O11  1  0.000  0.000  0.000  1.0
  O  O12  1  0.145  0.145  0.227  1.0
  O  O13  1  0.855  0.855  0.773  1.0
  O  O14  1  0.701  0.701  0.070  1.0
  O  O15  1  0.299  0.299  0.930  1.0
  O  O16  1  0.420  0.420  0.146  1.0
  O  O17  1  0.580  0.580  0.854  1.0
  O  O18  1  0.374  0.374  0.316  1.0
  O  O19  1  0.626  0.626  0.684  1.0
  O  O20  1  0.609  0.609  0.388  1.0
  O  O21  1  0.391  0.391  0.612  1.0
  O  O22  1  0.869  0.869  0.470  1.0
  O  O23  1  0.131  0.131  0.530  1.0
[/CIF]
.