Na2CeCPO7 crystallizes in the monoclinic P2_1/m space group. Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. Ce(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 distorted trigonal planar geometry to two equivalent Na(1) and one C(1) atom. In the second O site, O(2) is bonded to two equivalent Na(1), one Ce(1), and one C(1) atom to form distorted corner-sharing ONa2CeC trigonal pyramids. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Ce(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Ce(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Na(1), two equivalent Ce(1), and one P(1) atom. In the sixth O site, O(6) is bonded to two equivalent Na(1), one Ce(1), and one P(1) atom to form distorted corner-sharing ONa2CeP tetrahedra.
Na2CeCPO7 crystallizes in the monoclinic P2_1/m space group. Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The Na(1)-O(1) bond length is 2.29 Å. The Na(1)-O(2) bond length is 2.40 Å. The Na(1)-O(3) bond length is 2.44 Å. The Na(1)-O(4) bond length is 2.53 Å. The Na(1)-O(5) bond length is 2.82 Å. The Na(1)-O(6) bond length is 2.59 Å. Ce(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 Ce(1)-O(2) bond length is 2.48 Å. The Ce(1)-O(3) bond length is 2.42 Å. The Ce(1)-O(6) bond length is 2.47 Å. Both Ce(1)-O(4) bond lengths are 2.38 Å. There is one shorter (2.63 Å) and one longer (2.65 Å) Ce(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 1.26 Å. The C(1)-O(2) bond length is 1.31 Å. The C(1)-O(3) bond length is 1.33 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 1.55 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent Na(1) and one C(1) atom. In the second O site, O(2) is bonded to two equivalent Na(1), one Ce(1), and one C(1) atom to form distorted corner-sharing ONa2CeC trigonal pyramids. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Ce(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Ce(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Na(1), two equivalent Ce(1), and one P(1) atom. In the sixth O site, O(6) is bonded to two equivalent Na(1), one Ce(1), and one P(1) atom to form distorted corner-sharing ONa2CeP tetrahedra.