Bi11PO20 crystallizes in the triclinic P1 space group. There are eleven inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 4-coordinate geometry to one O(2), one O(3), one O(5), and one O(7) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(12), one O(16), one O(18), one O(3), one O(7), and one O(9) atom. In the third Bi site, Bi(3) is bonded in a 3-coordinate geometry to one O(10), one O(11), one O(15), and one O(9) atom. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(4), and one O(8) atom. In the fifth Bi site, Bi(5) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(14), one O(4), and one O(5) atom. In the sixth Bi site, Bi(6) is bonded in a 5-coordinate geometry to one O(13), one O(18), one O(19), one O(6), and one O(8) atom. In the seventh Bi site, Bi(7) is bonded in a distorted rectangular see-saw-like geometry to one O(12), one O(13), one O(14), and one O(7) atom. In the eighth Bi site, Bi(8) is bonded in a 4-coordinate geometry to one O(12), one O(13), one O(2), and one O(20) atom. In the ninth Bi site, Bi(9) is bonded in a 4-coordinate geometry to one O(1), one O(14), one O(15), and one O(19) atom. In the tenth Bi site, Bi(10) is bonded in a 5-coordinate geometry to one O(15), one O(17), one O(20), one O(4), and one O(8) atom. In the eleventh Bi site, Bi(11) is bonded in a 5-coordinate geometry to one O(11), one O(17), one O(18), one O(19), and one O(2) atom. P(1) is bonded in a tetrahedral geometry to one O(1), one O(16), one O(17), and one O(6) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Bi(4), one Bi(9), and one P(1) atom. In the second O site, O(2) is bonded in a trigonal non-coplanar geometry to one Bi(1), one Bi(11), and one Bi(8) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Bi(10), one Bi(4), and one Bi(5) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Bi(1) and one Bi(5) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Bi(6) and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(7) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Bi(10), one Bi(4), and one Bi(6) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Bi(2) and one Bi(3) atom. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one Bi(3), one Bi(4), and one Bi(5) atom. In the eleventh O site, O(11) is bonded in a trigonal non-coplanar geometry to one Bi(11), one Bi(3), and one Bi(4) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Bi(2), one Bi(7), and one Bi(8) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Bi(6), one Bi(7), and one Bi(8) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Bi(5), one Bi(7), and one Bi(9) atom. In the fifteenth O site, O(15) is bonded in a trigonal non-coplanar geometry to one Bi(10), one Bi(3), and one Bi(9) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Bi(2) and one P(1) atom. In the seventeenth O site, O(17) is bonded in a single-bond geometry to one Bi(10), one Bi(11), and one P(1) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one Bi(11), one Bi(2), and one Bi(6) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal non-coplanar geometry to one Bi(11), one Bi(6), and one Bi(9) atom. In the twentieth O site, O(20) is bonded in a distorted bent 120 degrees geometry to one Bi(10) and one Bi(8) atom.
Bi11PO20 crystallizes in the triclinic P1 space group. There are eleven inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 4-coordinate geometry to one O(2), one O(3), one O(5), and one O(7) atom. The Bi(1)-O(2) bond length is 2.23 Å. The Bi(1)-O(3) bond length is 2.21 Å. The Bi(1)-O(5) bond length is 2.12 Å. The Bi(1)-O(7) bond length is 2.54 Å. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(12), one O(16), one O(18), one O(3), one O(7), and one O(9) atom. The Bi(2)-O(12) bond length is 2.68 Å. The Bi(2)-O(16) bond length is 2.73 Å. The Bi(2)-O(18) bond length is 2.16 Å. The Bi(2)-O(3) bond length is 2.61 Å. The Bi(2)-O(7) bond length is 2.22 Å. The Bi(2)-O(9) bond length is 2.16 Å. In the third Bi site, Bi(3) is bonded in a 3-coordinate geometry to one O(10), one O(11), one O(15), and one O(9) atom. The Bi(3)-O(10) bond length is 2.68 Å. The Bi(3)-O(11) bond length is 2.22 Å. The Bi(3)-O(15) bond length is 2.13 Å. The Bi(3)-O(9) bond length is 2.18 Å. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(4), and one O(8) atom. The Bi(4)-O(1) bond length is 2.72 Å. The Bi(4)-O(10) bond length is 2.19 Å. The Bi(4)-O(11) bond length is 2.55 Å. The Bi(4)-O(3) bond length is 2.16 Å. The Bi(4)-O(4) bond length is 2.58 Å. The Bi(4)-O(8) bond length is 2.22 Å. In the fifth Bi site, Bi(5) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(14), one O(4), and one O(5) atom. The Bi(5)-O(10) bond length is 2.14 Å. The Bi(5)-O(14) bond length is 2.30 Å. The Bi(5)-O(4) bond length is 2.36 Å. The Bi(5)-O(5) bond length is 2.14 Å. In the sixth Bi site, Bi(6) is bonded in a 5-coordinate geometry to one O(13), one O(18), one O(19), one O(6), and one O(8) atom. The Bi(6)-O(13) bond length is 2.12 Å. The Bi(6)-O(18) bond length is 2.21 Å. The Bi(6)-O(19) bond length is 2.71 Å. The Bi(6)-O(6) bond length is 2.68 Å. The Bi(6)-O(8) bond length is 2.19 Å. In the seventh Bi site, Bi(7) is bonded in a distorted rectangular see-saw-like geometry to one O(12), one O(13), one O(14), and one O(7) atom. The Bi(7)-O(12) bond length is 2.35 Å. The Bi(7)-O(13) bond length is 2.20 Å. The Bi(7)-O(14) bond length is 2.30 Å. The Bi(7)-O(7) bond length is 2.14 Å. In the eighth Bi site, Bi(8) is bonded in a 4-coordinate geometry to one O(12), one O(13), one O(2), and one O(20) atom. The Bi(8)-O(12) bond length is 2.18 Å. The Bi(8)-O(13) bond length is 2.59 Å. The Bi(8)-O(2) bond length is 2.22 Å. The Bi(8)-O(20) bond length is 2.15 Å. In the ninth Bi site, Bi(9) is bonded in a 4-coordinate geometry to one O(1), one O(14), one O(15), and one O(19) atom. The Bi(9)-O(1) bond length is 2.60 Å. The Bi(9)-O(14) bond length is 2.17 Å. The Bi(9)-O(15) bond length is 2.25 Å. The Bi(9)-O(19) bond length is 2.13 Å. In the tenth Bi site, Bi(10) is bonded in a 5-coordinate geometry to one O(15), one O(17), one O(20), one O(4), and one O(8) atom. The Bi(10)-O(15) bond length is 2.50 Å. The Bi(10)-O(17) bond length is 2.83 Å. The Bi(10)-O(20) bond length is 2.20 Å. The Bi(10)-O(4) bond length is 2.12 Å. The Bi(10)-O(8) bond length is 2.31 Å. In the eleventh Bi site, Bi(11) is bonded in a 5-coordinate geometry to one O(11), one O(17), one O(18), one O(19), and one O(2) atom. The Bi(11)-O(11) bond length is 2.13 Å. The Bi(11)-O(17) bond length is 2.73 Å. The Bi(11)-O(18) bond length is 2.57 Å. The Bi(11)-O(19) bond length is 2.19 Å. The Bi(11)-O(2) bond length is 2.26 Å. P(1) is bonded in a tetrahedral geometry to one O(1), one O(16), one O(17), and one O(6) atom. The P(1)-O(1) bond length is 1.57 Å. The P(1)-O(16) bond length is 1.57 Å. The P(1)-O(17) bond length is 1.57 Å. The P(1)-O(6) bond length is 1.55 Å. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Bi(4), one Bi(9), and one P(1) atom. In the second O site, O(2) is bonded in a trigonal non-coplanar geometry to one Bi(1), one Bi(11), and one Bi(8) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Bi(10), one Bi(4), and one Bi(5) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Bi(1) and one Bi(5) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Bi(6) and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(7) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Bi(10), one Bi(4), and one Bi(6) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Bi(2) and one Bi(3) atom. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one Bi(3), one Bi(4), and one Bi(5) atom. In the eleventh O site, O(11) is bonded in a trigonal non-coplanar geometry to one Bi(11), one Bi(3), and one Bi(4) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Bi(2), one Bi(7), and one Bi(8) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Bi(6), one Bi(7), and one Bi(8) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Bi(5), one Bi(7), and one Bi(9) atom. In the fifteenth O site, O(15) is bonded in a trigonal non-coplanar geometry to one Bi(10), one Bi(3), and one Bi(9) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Bi(2) and one P(1) atom. In the seventeenth O site, O(17) is bonded in a single-bond geometry to one Bi(10), one Bi(11), and one P(1) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one Bi(11), one Bi(2), and one Bi(6) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal non-coplanar geometry to one Bi(11), one Bi(6), and one Bi(9) atom. In the twentieth O site, O(20) is bonded in a distorted bent 120 degrees geometry to one Bi(10) and one Bi(8) atom.