(Bi5(PO4)3)2F2 crystallizes in the hexagonal P6_3 space group. The structure consists of two hydrofluoric acid atoms inside a Bi5(PO4)3 framework. In the Bi5(PO4)3 framework, there are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 4-coordinate geometry to one Bi(2) and three equivalent O(1) atoms. In the second Bi site, Bi(2) is bonded in a 7-coordinate geometry to one Bi(1) atom. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(1), one O(4), two equivalent O(2), and two equivalent O(3) atoms. P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. There are four inequivalent O sites. In the first O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Bi(3) and one P(1) atom. In the second O site, O(1) is bonded in a 1-coordinate geometry to one Bi(1), one Bi(3), and one P(1) atom. In the third O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Bi(3) and one P(1) atom. In the fourth O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Bi(3) and one P(1) atom.
(Bi5(PO4)3)2F2 crystallizes in the hexagonal P6_3 space group. The structure consists of two hydrofluoric acid atoms inside a Bi5(PO4)3 framework. In the Bi5(PO4)3 framework, there are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 4-coordinate geometry to one Bi(2) and three equivalent O(1) atoms. The Bi(1)-Bi(2) bond length is 2.84 Å. All Bi(1)-O(1) bond lengths are 2.85 Å. In the second Bi site, Bi(2) is bonded in a 7-coordinate geometry to one Bi(1) atom. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(1), one O(4), two equivalent O(2), and two equivalent O(3) atoms. The Bi(3)-O(1) bond length is 2.30 Å. The Bi(3)-O(4) bond length is 2.44 Å. There is one shorter (2.38 Å) and one longer (2.70 Å) Bi(3)-O(2) bond length. There is one shorter (2.59 Å) and one longer (2.61 Å) Bi(3)-O(3) bond length. P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. The P(1)-O(1) bond length is 1.54 Å. The P(1)-O(2) bond length is 1.57 Å. The P(1)-O(3) bond length is 1.57 Å. The P(1)-O(4) bond length is 1.55 Å. There are four inequivalent O sites. In the first O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Bi(3) and one P(1) atom. In the second O site, O(1) is bonded in a 1-coordinate geometry to one Bi(1), one Bi(3), and one P(1) atom. In the third O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Bi(3) and one P(1) atom. In the fourth O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Bi(3) and one P(1) atom.