NaPrCPO7 crystallizes in the monoclinic P2_1 space group. Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), one O(6), and one O(7) atom. Pr(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom. 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(4), one O(5), one O(6), and one O(7) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Na(1) and one C(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Pr(1), and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Pr(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Pr(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(1), one Pr(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Na(1), one Pr(1), and one P(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Na(1), one Pr(1), and one P(1) atom.
NaPrCPO7 crystallizes in the monoclinic P2_1 space group. Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), one O(6), and one O(7) atom. The Na(1)-O(1) bond length is 2.30 Å. The Na(1)-O(2) bond length is 2.60 Å. The Na(1)-O(3) bond length is 2.48 Å. The Na(1)-O(5) bond length is 2.41 Å. The Na(1)-O(6) bond length is 2.84 Å. The Na(1)-O(7) bond length is 2.48 Å. Pr(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom. The Pr(1)-O(2) bond length is 2.67 Å. The Pr(1)-O(3) bond length is 2.56 Å. The Pr(1)-O(4) bond length is 2.30 Å. The Pr(1)-O(5) bond length is 2.44 Å. The Pr(1)-O(6) bond length is 2.37 Å. The Pr(1)-O(7) bond length is 2.32 Å. 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 1.29 Å. The C(1)-O(3) bond length is 1.29 Å. P(1) is bonded in a tetrahedral geometry to one O(4), one O(5), one O(6), and one O(7) atom. The P(1)-O(4) bond length is 1.54 Å. The P(1)-O(5) bond length is 1.54 Å. The P(1)-O(6) bond length is 1.58 Å. The P(1)-O(7) bond length is 1.56 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Na(1) and one C(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Pr(1), and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Pr(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Pr(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(1), one Pr(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Na(1), one Pr(1), and one P(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Na(1), one Pr(1), and one P(1) atom.