NaMo2P4O14 crystallizes in the triclinic P1 space group. Na(1) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(12), one O(7), and one O(8) atom. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(13), one O(14), one O(2), one O(3), and one O(4) atom to form MoO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. In the second Mo site, Mo(2) is bonded to one O(11), one O(12), one O(5), one O(6), one O(7), and one O(8) atom to form MoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(11), one O(14), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-52°. In the second P site, P(2) is bonded to one O(12), one O(13), one O(6), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-52°. In the third P site, P(3) is bonded to one O(1), one O(10), one O(4), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mo(2)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-54°. In the fourth P site, P(4) is bonded to one O(2), one O(3), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mo(2)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-54°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Mo(1), and one P(3) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Mo(1) and one P(4) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(4) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Mo(2) and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Mo(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Mo(2), and one P(4) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Na(1), one Mo(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Na(1), one Mo(2), and one P(1) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Na(1), one Mo(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(2) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(1) atom.
NaMo2P4O14 crystallizes in the triclinic P1 space group. Na(1) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(12), one O(7), and one O(8) atom. The Na(1)-O(1) bond length is 2.63 Å. The Na(1)-O(11) bond length is 2.37 Å. The Na(1)-O(12) bond length is 2.37 Å. The Na(1)-O(7) bond length is 2.82 Å. The Na(1)-O(8) bond length is 2.97 Å. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(13), one O(14), one O(2), one O(3), and one O(4) atom to form MoO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. The Mo(1)-O(1) bond length is 2.08 Å. The Mo(1)-O(13) bond length is 2.07 Å. The Mo(1)-O(14) bond length is 2.07 Å. The Mo(1)-O(2) bond length is 2.05 Å. The Mo(1)-O(3) bond length is 2.02 Å. The Mo(1)-O(4) bond length is 2.03 Å. In the second Mo site, Mo(2) is bonded to one O(11), one O(12), one O(5), one O(6), one O(7), and one O(8) atom to form MoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The Mo(2)-O(11) bond length is 2.15 Å. The Mo(2)-O(12) bond length is 2.15 Å. The Mo(2)-O(5) bond length is 2.12 Å. The Mo(2)-O(6) bond length is 2.11 Å. The Mo(2)-O(7) bond length is 2.17 Å. The Mo(2)-O(8) bond length is 2.17 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(11), one O(14), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-52°. The P(1)-O(10) bond length is 1.63 Å. The P(1)-O(11) bond length is 1.54 Å. The P(1)-O(14) bond length is 1.52 Å. The P(1)-O(5) bond length is 1.51 Å. In the second P site, P(2) is bonded to one O(12), one O(13), one O(6), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-52°. The P(2)-O(12) bond length is 1.54 Å. The P(2)-O(13) bond length is 1.52 Å. The P(2)-O(6) bond length is 1.51 Å. The P(2)-O(9) bond length is 1.63 Å. In the third P site, P(3) is bonded to one O(1), one O(10), one O(4), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mo(2)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-54°. The P(3)-O(1) bond length is 1.55 Å. The P(3)-O(10) bond length is 1.60 Å. The P(3)-O(4) bond length is 1.53 Å. The P(3)-O(8) bond length is 1.53 Å. In the fourth P site, P(4) is bonded to one O(2), one O(3), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mo(2)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-54°. The P(4)-O(2) bond length is 1.55 Å. The P(4)-O(3) bond length is 1.54 Å. The P(4)-O(7) bond length is 1.53 Å. The P(4)-O(9) bond length is 1.61 Å. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Mo(1), and one P(3) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Mo(1) and one P(4) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(4) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Mo(2) and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Mo(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Mo(2), and one P(4) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Na(1), one Mo(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Na(1), one Mo(2), and one P(1) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Na(1), one Mo(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(2) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(1) atom.