FeTe(PO4)2 crystallizes in the triclinic P-1 space group. Fe(1) is bonded in a 6-coordinate geometry to one O(2), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(5), and one O(6) atom to form PO4 tetrahedra that share corners with three equivalent Te(1)O6 pentagonal pyramids. In the second P site, P(2) is bonded to one O(3), one O(4), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Te(1)O6 pentagonal pyramid and  an edgeedge with one Te(1)O6 pentagonal pyramid. Te(1) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form TeO6 pentagonal pyramids that share  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one P(1) and one Te(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Fe(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one P(2) and one Te(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Fe(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Fe(1), one P(1), and one Te(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Fe(1), one P(1), and one Te(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Fe(1), one P(2), and one Te(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Fe(1), one P(2), and one Te(1) atom.
FeTe(PO4)2 crystallizes in the triclinic P-1 space group. Fe(1) is bonded in a 6-coordinate geometry to one O(2), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. The Fe(1)-O(2) bond length is 1.99 Å. The Fe(1)-O(4) bond length is 1.97 Å. The Fe(1)-O(5) bond length is 2.27 Å. The Fe(1)-O(6) bond length is 2.19 Å. The Fe(1)-O(7) bond length is 2.61 Å. The Fe(1)-O(8) bond length is 2.48 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(5), and one O(6) atom to form PO4 tetrahedra that share corners with three equivalent Te(1)O6 pentagonal pyramids. The P(1)-O(1) bond length is 1.57 Å. The P(1)-O(2) bond length is 1.53 Å. The P(1)-O(5) bond length is 1.57 Å. The P(1)-O(6) bond length is 1.56 Å. In the second P site, P(2) is bonded to one O(3), one O(4), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Te(1)O6 pentagonal pyramid and  an edgeedge with one Te(1)O6 pentagonal pyramid. The P(2)-O(3) bond length is 1.54 Å. The P(2)-O(4) bond length is 1.51 Å. The P(2)-O(7) bond length is 1.61 Å. The P(2)-O(8) bond length is 1.60 Å. Te(1) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form TeO6 pentagonal pyramids that share  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The Te(1)-O(1) bond length is 2.12 Å. The Te(1)-O(3) bond length is 2.19 Å. The Te(1)-O(5) bond length is 2.29 Å. The Te(1)-O(6) bond length is 2.40 Å. The Te(1)-O(7) bond length is 2.09 Å. The Te(1)-O(8) bond length is 2.13 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one P(1) and one Te(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Fe(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one P(2) and one Te(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Fe(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Fe(1), one P(1), and one Te(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Fe(1), one P(1), and one Te(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Fe(1), one P(2), and one Te(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Fe(1), one P(2), and one Te(1) atom.