Li2DyCPO7 crystallizes in the monoclinic P2_1/m space group. Li(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), and one O(6) atom. Dy(1) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(6), two equivalent O(4), and two equivalent O(5) atoms. C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. P(1) is bonded in a tetrahedral geometry to one O(5), one O(6), and two equivalent O(4) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to two equivalent Li(1) and one C(1) atom. In the second O site, O(2) is bonded to two equivalent Li(1), one Dy(1), and one C(1) atom to form distorted edge-sharing OLi2DyC trigonal pyramids. In the third O site, O(3) is bonded to two equivalent Li(1), one Dy(1), and one C(1) atom to form distorted edge-sharing OLi2DyC trigonal pyramids. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(1), one Dy(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Dy(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Dy(1), and one P(1) atom.
Li2DyCPO7 crystallizes in the monoclinic P2_1/m space group. Li(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), and one O(6) atom. The Li(1)-O(1) bond length is 1.96 Å. The Li(1)-O(2) bond length is 2.24 Å. The Li(1)-O(3) bond length is 2.43 Å. The Li(1)-O(4) bond length is 2.04 Å. The Li(1)-O(6) bond length is 2.62 Å. Dy(1) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(6), two equivalent O(4), and two equivalent O(5) atoms. The Dy(1)-O(2) bond length is 2.39 Å. The Dy(1)-O(3) bond length is 2.27 Å. The Dy(1)-O(6) bond length is 2.31 Å. Both Dy(1)-O(4) bond lengths are 2.23 Å. There is one shorter (2.49 Å) and one longer (2.55 Å) Dy(1)-O(5) bond length. C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.31 Å. The C(1)-O(3) bond length is 1.32 Å. P(1) is bonded in a tetrahedral geometry to one O(5), one O(6), and two equivalent O(4) atoms. The P(1)-O(5) bond length is 1.58 Å. The P(1)-O(6) bond length is 1.56 Å. Both P(1)-O(4) bond lengths are 1.54 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to two equivalent Li(1) and one C(1) atom. In the second O site, O(2) is bonded to two equivalent Li(1), one Dy(1), and one C(1) atom to form distorted edge-sharing OLi2DyC trigonal pyramids. In the third O site, O(3) is bonded to two equivalent Li(1), one Dy(1), and one C(1) atom to form distorted edge-sharing OLi2DyC trigonal pyramids. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(1), one Dy(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Dy(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Dy(1), and one P(1) atom.