The material structure described by CuPb3Ge5O14 crystallizes in the monoclinic C2/c space group. Cu(1) is bonded to two equivalent O(4), two equivalent O(6), and two equivalent O(7) atoms to form distorted CuO6 octahedra that share corners with two equivalent Ge(1)O4 tetrahedra, edges with two equivalent Ge(3)O6 octahedra, and edges with two equivalent Ge(2)O5 tetrahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), one O(6), and one O(7) atom. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(2), one O(5), and one O(7) atom to form GeO4 tetrahedra that share  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Ge(3)O6 octahedra, and corners with two equivalent Ge(2)O5 tetrahedra. The corner-sharing octahedral tilt angles range from 40-68°. In the second Ge site, Ge(2) is bonded to one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted GeO5 tetrahedra that share corners with two equivalent Ge(1)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, and  an edgeedge with one Ge(3)O6 octahedra. In the third Ge site, Ge(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form GeO6 octahedra that share corners with two equivalent Ge(1)O4 tetrahedra, edges with two equivalent Cu(1)O6 octahedra, and edges with two equivalent Ge(2)O5 tetrahedra. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(2), and one Ge(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Pb(1), one Ge(1), and one Ge(2) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Pb(2), one Ge(2), and one Ge(3) atom. In the fourth O site, O(4) is bonded to one Cu(1), one Pb(1), one Ge(2), and one Ge(3) atom to form distorted OCuGe2Pb trigonal pyramids that share corners with two equivalent O(6)CuGePb2 tetrahedra, corners with two equivalent O(4)CuGe2Pb trigonal pyramids, and  an edgeedge with one O(6)CuGePb2 tetrahedra. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(2) atom. In the sixth O site, O(6) is bonded to one Cu(1), one Pb(1), one Pb(2), and one Ge(2) atom to form distorted OCuGePb2 tetrahedra that share corners with two equivalent O(6)CuGePb2 tetrahedra, corners with two equivalent O(4)CuGe2Pb trigonal pyramids, and  an edgeedge with one O(4)CuGe2Pb trigonal pyramid. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Cu(1), one Pb(1), one Ge(1), and one Ge(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CuGe5Pb3O14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.006
_cell_length_b   10.006
_cell_length_c   10.551
_cell_angle_alpha   59.160
_cell_angle_beta   59.160
_cell_angle_gamma   48.808
_symmetry_Int_Tables_number   1
_cell_volume   656.976
_cell_formula_units_Z   2
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
  Cu  Cu0  1  0.000  0.000  0.500  1.0
  Cu  Cu1  1  0.000  0.000  0.000  1.0
  Ge  Ge2  1  0.155  0.520  0.134  1.0
  Ge  Ge3  1  0.480  0.845  0.366  1.0
  Ge  Ge4  1  0.581  0.172  0.155  1.0
  Ge  Ge5  1  0.828  0.419  0.345  1.0
  Ge  Ge6  1  0.419  0.828  0.845  1.0
  Ge  Ge7  1  0.172  0.581  0.655  1.0
  Ge  Ge8  1  0.784  0.216  0.250  1.0
  Ge  Ge9  1  0.216  0.784  0.750  1.0
  Ge  Ge10  1  0.845  0.480  0.866  1.0
  Ge  Ge11  1  0.520  0.155  0.634  1.0
  Pb  Pb12  1  0.844  0.783  0.439  1.0
  Pb  Pb13  1  0.217  0.156  0.061  1.0
  Pb  Pb14  1  0.156  0.217  0.561  1.0
  Pb  Pb15  1  0.783  0.844  0.939  1.0
  Pb  Pb16  1  0.352  0.648  0.250  1.0
  Pb  Pb17  1  0.648  0.352  0.750  1.0
  O  O18  1  0.572  0.122  0.786  1.0
  O  O19  1  0.878  0.428  0.714  1.0
  O  O20  1  0.428  0.878  0.214  1.0
  O  O21  1  0.122  0.572  0.286  1.0
  O  O22  1  0.452  0.002  0.680  1.0
  O  O23  1  0.998  0.548  0.820  1.0
  O  O24  1  0.548  0.998  0.320  1.0
  O  O25  1  0.002  0.452  0.180  1.0
  O  O26  1  0.562  0.327  0.207  1.0
  O  O27  1  0.673  0.438  0.293  1.0
  O  O28  1  0.438  0.673  0.793  1.0
  O  O29  1  0.327  0.562  0.707  1.0
  O  O30  1  0.004  0.868  0.713  1.0
  O  O31  1  0.132  0.996  0.787  1.0
  O  O32  1  0.996  0.132  0.287  1.0
  O  O33  1  0.868  0.004  0.213  1.0
  O  O34  1  0.319  0.376  0.586  1.0
  O  O35  1  0.624  0.681  0.914  1.0
  O  O36  1  0.751  0.096  0.987  1.0
  O  O37  1  0.904  0.249  0.513  1.0
  O  O38  1  0.249  0.904  0.013  1.0
  O  O39  1  0.096  0.751  0.487  1.0
  O  O40  1  0.097  0.707  0.970  1.0
  O  O41  1  0.293  0.903  0.530  1.0
  O  O42  1  0.903  0.293  0.030  1.0
  O  O43  1  0.707  0.097  0.470  1.0
  O  O44  1  0.376  0.319  0.086  1.0
  O  O45  1  0.681  0.624  0.414  1.0
[/CIF]
.
The material structure described by CuPb3Ge5O14 crystallizes in the monoclinic C2/c space group. Cu(1) is bonded to two equivalent O(4), two equivalent O(6), and two equivalent O(7) atoms to form distorted CuO6 octahedra that share corners with two equivalent Ge(1)O4 tetrahedra, edges with two equivalent Ge(3)O6 octahedra, and edges with two equivalent Ge(2)O5 tetrahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), one O(6), and one O(7) atom. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(2), one O(5), and one O(7) atom to form GeO4 tetrahedra that share  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Ge(3)O6 octahedra, and corners with two equivalent Ge(2)O5 tetrahedra. The corner-sharing octahedral tilt angles range from 40-68°. In the second Ge site, Ge(2) is bonded to one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted GeO5 tetrahedra that share corners with two equivalent Ge(1)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, and  an edgeedge with one Ge(3)O6 octahedra. In the third Ge site, Ge(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form GeO6 octahedra that share corners with two equivalent Ge(1)O4 tetrahedra, edges with two equivalent Cu(1)O6 octahedra, and edges with two equivalent Ge(2)O5 tetrahedra. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(2), and one Ge(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Pb(1), one Ge(1), and one Ge(2) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Pb(2), one Ge(2), and one Ge(3) atom. In the fourth O site, O(4) is bonded to one Cu(1), one Pb(1), one Ge(2), and one Ge(3) atom to form distorted OCuGe2Pb trigonal pyramids that share corners with two equivalent O(6)CuGePb2 tetrahedra, corners with two equivalent O(4)CuGe2Pb trigonal pyramids, and  an edgeedge with one O(6)CuGePb2 tetrahedra. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(2) atom. In the sixth O site, O(6) is bonded to one Cu(1), one Pb(1), one Pb(2), and one Ge(2) atom to form distorted OCuGePb2 tetrahedra that share corners with two equivalent O(6)CuGePb2 tetrahedra, corners with two equivalent O(4)CuGe2Pb trigonal pyramids, and  an edgeedge with one O(4)CuGe2Pb trigonal pyramid. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Cu(1), one Pb(1), one Ge(1), and one Ge(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CuGe5Pb3O14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.006
_cell_length_b   10.006
_cell_length_c   10.551
_cell_angle_alpha   59.160
_cell_angle_beta   59.160
_cell_angle_gamma   48.808
_symmetry_Int_Tables_number   1
_cell_volume   656.976
_cell_formula_units_Z   2
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
  Cu  Cu0  1  0.000  0.000  0.500  1.0
  Cu  Cu1  1  0.000  0.000  0.000  1.0
  Ge  Ge2  1  0.155  0.520  0.134  1.0
  Ge  Ge3  1  0.480  0.845  0.366  1.0
  Ge  Ge4  1  0.581  0.172  0.155  1.0
  Ge  Ge5  1  0.828  0.419  0.345  1.0
  Ge  Ge6  1  0.419  0.828  0.845  1.0
  Ge  Ge7  1  0.172  0.581  0.655  1.0
  Ge  Ge8  1  0.784  0.216  0.250  1.0
  Ge  Ge9  1  0.216  0.784  0.750  1.0
  Ge  Ge10  1  0.845  0.480  0.866  1.0
  Ge  Ge11  1  0.520  0.155  0.634  1.0
  Pb  Pb12  1  0.844  0.783  0.439  1.0
  Pb  Pb13  1  0.217  0.156  0.061  1.0
  Pb  Pb14  1  0.156  0.217  0.561  1.0
  Pb  Pb15  1  0.783  0.844  0.939  1.0
  Pb  Pb16  1  0.352  0.648  0.250  1.0
  Pb  Pb17  1  0.648  0.352  0.750  1.0
  O  O18  1  0.572  0.122  0.786  1.0
  O  O19  1  0.878  0.428  0.714  1.0
  O  O20  1  0.428  0.878  0.214  1.0
  O  O21  1  0.122  0.572  0.286  1.0
  O  O22  1  0.452  0.002  0.680  1.0
  O  O23  1  0.998  0.548  0.820  1.0
  O  O24  1  0.548  0.998  0.320  1.0
  O  O25  1  0.002  0.452  0.180  1.0
  O  O26  1  0.562  0.327  0.207  1.0
  O  O27  1  0.673  0.438  0.293  1.0
  O  O28  1  0.438  0.673  0.793  1.0
  O  O29  1  0.327  0.562  0.707  1.0
  O  O30  1  0.004  0.868  0.713  1.0
  O  O31  1  0.132  0.996  0.787  1.0
  O  O32  1  0.996  0.132  0.287  1.0
  O  O33  1  0.868  0.004  0.213  1.0
  O  O34  1  0.319  0.376  0.586  1.0
  O  O35  1  0.624  0.681  0.914  1.0
  O  O36  1  0.751  0.096  0.987  1.0
  O  O37  1  0.904  0.249  0.513  1.0
  O  O38  1  0.249  0.904  0.013  1.0
  O  O39  1  0.096  0.751  0.487  1.0
  O  O40  1  0.097  0.707  0.970  1.0
  O  O41  1  0.293  0.903  0.530  1.0
  O  O42  1  0.903  0.293  0.030  1.0
  O  O43  1  0.707  0.097  0.470  1.0
  O  O44  1  0.376  0.319  0.086  1.0
  O  O45  1  0.681  0.624  0.414  1.0
[/CIF]
.