The compound described by Bi6ZnO7(PO4)2 crystallizes in the monoclinic C2 space group. Zn(1) is bonded to one O(11), one O(16), one O(2), and one O(7) atom to form ZnO4 trigonal pyramids that share corners with two equivalent P(1)O4 tetrahedra. There are six inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(3), one O(4), one O(8), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 4-coordinate geometry to one O(1), one O(14), one O(5), and one O(6) atom. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(10), one O(12), one O(2), one O(4), and one O(8) atom. In the fourth Bi site, Bi(4) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(6), one O(7), and one O(8) atom. In the fifth Bi site, Bi(5) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(6), and one O(8) atom. In the sixth Bi site, Bi(6) is bonded in a distorted pentagonal planar geometry to one O(1), one O(13), one O(14), one O(5), and one O(6) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(13), one O(15), one O(16), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Zn(1)O4 trigonal pyramids. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(12), one O(3), one O(4), and one O(9) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one Bi(2), one Bi(4), one Bi(5), and one Bi(6) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one Bi(3), and one Bi(4) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Bi(1), one Bi(5), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Bi(1), one Bi(3), and one P(2) atom. In the fifth O site, O(5) is bonded to two equivalent Bi(2) and two equivalent Bi(6) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the sixth O site, O(6) is bonded to one Bi(2), one Bi(4), one Bi(5), and one Bi(6) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one Zn(1), one Bi(4), and one P(1) atom. In the eighth O site, O(8) is bonded to one Bi(1), one Bi(3), one Bi(4), and one Bi(5) atom to form a mixture of distorted corner and edge-sharing OBi4 tetrahedra. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Bi(1) and one P(2) atom. In the tenth O site, O(10) is bonded to one Bi(1), one Bi(3), one Bi(4), and one Bi(5) atom to form a mixture of distorted corner and edge-sharing OBi4 tetrahedra. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one Bi(1), and one Bi(5) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Bi(3), one Bi(4), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Bi(6) and one P(1) atom. In the fourteenth O site, O(14) is bonded to two equivalent Bi(2) and two equivalent Bi(6) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one P(1) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one P(1) atom. is represented by the CIF card [CIF]
data_ZnBi6P2O15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.214
_cell_length_b   8.214
_cell_length_c   17.205
_cell_angle_alpha   76.377
_cell_angle_beta   76.377
_cell_angle_gamma   39.297
_symmetry_Int_Tables_number   1
_cell_volume   711.759
_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
  Zn  Zn0  1  0.003  0.623  0.768  1.0
  Zn  Zn1  1  0.377  0.997  0.232  1.0
  Bi  Bi2  1  0.471  0.107  0.390  1.0
  Bi  Bi3  1  0.130  0.730  0.923  1.0
  Bi  Bi4  1  0.229  0.822  0.595  1.0
  Bi  Bi5  1  0.721  0.227  0.743  1.0
  Bi  Bi6  1  0.362  0.924  0.757  1.0
  Bi  Bi7  1  0.076  0.638  0.243  1.0
  Bi  Bi8  1  0.893  0.529  0.610  1.0
  Bi  Bi9  1  0.178  0.771  0.405  1.0
  Bi  Bi10  1  0.792  0.401  0.912  1.0
  Bi  Bi11  1  0.773  0.279  0.257  1.0
  Bi  Bi12  1  0.599  0.208  0.088  1.0
  Bi  Bi13  1  0.270  0.870  0.077  1.0
  P  P14  1  0.468  0.105  0.897  1.0
  P  P15  1  0.895  0.532  0.103  1.0
  P  P16  1  0.769  0.513  0.421  1.0
  P  P17  1  0.487  0.231  0.579  1.0
  O  O18  1  0.467  0.597  0.840  1.0
  O  O19  1  0.184  0.950  0.292  1.0
  O  O20  1  0.322  0.243  0.652  1.0
  O  O21  1  0.611  0.682  0.494  1.0
  O  O22  1  0.318  0.389  0.506  1.0
  O  O23  1  0.949  0.051  0.000  1.0
  O  O24  1  0.966  0.086  0.838  1.0
  O  O25  1  0.067  0.270  0.158  1.0
  O  O26  1  0.320  0.488  0.337  1.0
  O  O27  1  0.049  0.254  0.439  1.0
  O  O28  1  0.746  0.951  0.561  1.0
  O  O29  1  0.021  0.169  0.661  1.0
  O  O30  1  0.397  0.190  0.262  1.0
  O  O31  1  0.635  0.464  0.398  1.0
  O  O32  1  0.810  0.603  0.738  1.0
  O  O33  1  0.536  0.365  0.602  1.0
  O  O34  1  0.831  0.979  0.339  1.0
  O  O35  1  0.403  0.533  0.160  1.0
  O  O36  1  0.050  0.816  0.708  1.0
  O  O37  1  0.914  0.034  0.162  1.0
  O  O38  1  0.856  0.500  0.027  1.0
  O  O39  1  0.457  0.543  0.000  1.0
  O  O40  1  0.386  0.980  0.912  1.0
  O  O41  1  0.624  0.737  0.152  1.0
  O  O42  1  0.020  0.614  0.088  1.0
  O  O43  1  0.500  0.144  0.973  1.0
  O  O44  1  0.757  0.678  0.348  1.0
  O  O45  1  0.263  0.376  0.848  1.0
  O  O46  1  0.730  0.933  0.842  1.0
  O  O47  1  0.512  0.680  0.663  1.0
[/CIF]
.
The compound described by Bi6ZnO7(PO4)2 crystallizes in the monoclinic C2 space group. Zn(1) is bonded to one O(11), one O(16), one O(2), and one O(7) atom to form ZnO4 trigonal pyramids that share corners with two equivalent P(1)O4 tetrahedra. There are six inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(3), one O(4), one O(8), and one O(9) atom. In the second Bi site, Bi(2) is bonded in a 4-coordinate geometry to one O(1), one O(14), one O(5), and one O(6) atom. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(10), one O(12), one O(2), one O(4), and one O(8) atom. In the fourth Bi site, Bi(4) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(6), one O(7), and one O(8) atom. In the fifth Bi site, Bi(5) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(6), and one O(8) atom. In the sixth Bi site, Bi(6) is bonded in a distorted pentagonal planar geometry to one O(1), one O(13), one O(14), one O(5), and one O(6) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(13), one O(15), one O(16), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Zn(1)O4 trigonal pyramids. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(12), one O(3), one O(4), and one O(9) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one Bi(2), one Bi(4), one Bi(5), and one Bi(6) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one Bi(3), and one Bi(4) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Bi(1), one Bi(5), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Bi(1), one Bi(3), and one P(2) atom. In the fifth O site, O(5) is bonded to two equivalent Bi(2) and two equivalent Bi(6) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the sixth O site, O(6) is bonded to one Bi(2), one Bi(4), one Bi(5), and one Bi(6) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one Zn(1), one Bi(4), and one P(1) atom. In the eighth O site, O(8) is bonded to one Bi(1), one Bi(3), one Bi(4), and one Bi(5) atom to form a mixture of distorted corner and edge-sharing OBi4 tetrahedra. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Bi(1) and one P(2) atom. In the tenth O site, O(10) is bonded to one Bi(1), one Bi(3), one Bi(4), and one Bi(5) atom to form a mixture of distorted corner and edge-sharing OBi4 tetrahedra. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one Bi(1), and one Bi(5) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Bi(3), one Bi(4), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Bi(6) and one P(1) atom. In the fourteenth O site, O(14) is bonded to two equivalent Bi(2) and two equivalent Bi(6) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one P(1) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one P(1) atom. is represented by the CIF card [CIF]
data_ZnBi6P2O15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.214
_cell_length_b   8.214
_cell_length_c   17.205
_cell_angle_alpha   76.377
_cell_angle_beta   76.377
_cell_angle_gamma   39.297
_symmetry_Int_Tables_number   1
_cell_volume   711.759
_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
  Zn  Zn0  1  0.003  0.623  0.768  1.0
  Zn  Zn1  1  0.377  0.997  0.232  1.0
  Bi  Bi2  1  0.471  0.107  0.390  1.0
  Bi  Bi3  1  0.130  0.730  0.923  1.0
  Bi  Bi4  1  0.229  0.822  0.595  1.0
  Bi  Bi5  1  0.721  0.227  0.743  1.0
  Bi  Bi6  1  0.362  0.924  0.757  1.0
  Bi  Bi7  1  0.076  0.638  0.243  1.0
  Bi  Bi8  1  0.893  0.529  0.610  1.0
  Bi  Bi9  1  0.178  0.771  0.405  1.0
  Bi  Bi10  1  0.792  0.401  0.912  1.0
  Bi  Bi11  1  0.773  0.279  0.257  1.0
  Bi  Bi12  1  0.599  0.208  0.088  1.0
  Bi  Bi13  1  0.270  0.870  0.077  1.0
  P  P14  1  0.468  0.105  0.897  1.0
  P  P15  1  0.895  0.532  0.103  1.0
  P  P16  1  0.769  0.513  0.421  1.0
  P  P17  1  0.487  0.231  0.579  1.0
  O  O18  1  0.467  0.597  0.840  1.0
  O  O19  1  0.184  0.950  0.292  1.0
  O  O20  1  0.322  0.243  0.652  1.0
  O  O21  1  0.611  0.682  0.494  1.0
  O  O22  1  0.318  0.389  0.506  1.0
  O  O23  1  0.949  0.051  0.000  1.0
  O  O24  1  0.966  0.086  0.838  1.0
  O  O25  1  0.067  0.270  0.158  1.0
  O  O26  1  0.320  0.488  0.337  1.0
  O  O27  1  0.049  0.254  0.439  1.0
  O  O28  1  0.746  0.951  0.561  1.0
  O  O29  1  0.021  0.169  0.661  1.0
  O  O30  1  0.397  0.190  0.262  1.0
  O  O31  1  0.635  0.464  0.398  1.0
  O  O32  1  0.810  0.603  0.738  1.0
  O  O33  1  0.536  0.365  0.602  1.0
  O  O34  1  0.831  0.979  0.339  1.0
  O  O35  1  0.403  0.533  0.160  1.0
  O  O36  1  0.050  0.816  0.708  1.0
  O  O37  1  0.914  0.034  0.162  1.0
  O  O38  1  0.856  0.500  0.027  1.0
  O  O39  1  0.457  0.543  0.000  1.0
  O  O40  1  0.386  0.980  0.912  1.0
  O  O41  1  0.624  0.737  0.152  1.0
  O  O42  1  0.020  0.614  0.088  1.0
  O  O43  1  0.500  0.144  0.973  1.0
  O  O44  1  0.757  0.678  0.348  1.0
  O  O45  1  0.263  0.376  0.848  1.0
  O  O46  1  0.730  0.933  0.842  1.0
  O  O47  1  0.512  0.680  0.663  1.0
[/CIF]
.