Pr(MoO3)2 crystallizes in the triclinic P1 space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. In the second Pr site, Pr(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(4), one O(5), one O(6), one O(8), and one O(9) atom. There are four inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(10), one O(12), one O(2), one O(5), and one O(8) atom to form corner-sharing MoO6 octahedra. The corner-sharing octahedral tilt angles range from 17-28°. In the second Mo site, Mo(2) is bonded to one O(1), one O(11), one O(12), one O(3), one O(4), and one O(9) atom to form corner-sharing MoO6 octahedra. The corner-sharing octahedral tilt angles range from 17-30°. In the third Mo site, Mo(3) is bonded to one O(11), one O(3), one O(4), one O(6), one O(7), and one O(9) atom to form corner-sharing MoO6 octahedra. The corner-sharing octahedral tilt angles range from 17-30°. In the fourth Mo site, Mo(4) is bonded to one O(10), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing MoO6 octahedra. The corner-sharing octahedral tilt angles range from 17-29°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Pr(2), one Mo(1), and one Mo(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Pr(1), one Mo(1), and one Mo(4) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Pr(1), one Mo(2), and one Mo(3) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Pr(1), one Pr(2), one Mo(2), and one Mo(3) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Pr(1), one Pr(2), one Mo(1), and one Mo(4) atom. In the sixth O site, O(6) is bonded in a T-shaped geometry to one Pr(2), one Mo(3), and one Mo(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Pr(1), one Mo(3), and one Mo(4) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Pr(2), one Mo(1), and one Mo(4) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Pr(2), one Mo(2), and one Mo(3) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Pr(1), one Pr(2), one Mo(1), and one Mo(4) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Pr(1), one Pr(2), one Mo(2), and one Mo(3) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Pr(1), one Mo(1), and one Mo(2) atom.
Pr(MoO3)2 crystallizes in the triclinic P1 space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. The Pr(1)-O(10) bond length is 2.83 Å. The Pr(1)-O(11) bond length is 2.82 Å. The Pr(1)-O(12) bond length is 2.51 Å. The Pr(1)-O(2) bond length is 2.43 Å. The Pr(1)-O(3) bond length is 2.42 Å. The Pr(1)-O(4) bond length is 2.58 Å. The Pr(1)-O(5) bond length is 2.58 Å. The Pr(1)-O(7) bond length is 2.34 Å. In the second Pr site, Pr(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(4), one O(5), one O(6), one O(8), and one O(9) atom. The Pr(2)-O(1) bond length is 2.42 Å. The Pr(2)-O(10) bond length is 2.57 Å. The Pr(2)-O(11) bond length is 2.62 Å. The Pr(2)-O(4) bond length is 2.82 Å. The Pr(2)-O(5) bond length is 2.75 Å. The Pr(2)-O(6) bond length is 2.40 Å. The Pr(2)-O(8) bond length is 2.47 Å. The Pr(2)-O(9) bond length is 2.47 Å. There are four inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(10), one O(12), one O(2), one O(5), and one O(8) atom to form corner-sharing MoO6 octahedra. The corner-sharing octahedral tilt angles range from 17-28°. The Mo(1)-O(1) bond length is 2.01 Å. The Mo(1)-O(10) bond length is 2.04 Å. The Mo(1)-O(12) bond length is 1.95 Å. The Mo(1)-O(2) bond length is 1.99 Å. The Mo(1)-O(5) bond length is 2.03 Å. The Mo(1)-O(8) bond length is 1.99 Å. In the second Mo site, Mo(2) is bonded to one O(1), one O(11), one O(12), one O(3), one O(4), and one O(9) atom to form corner-sharing MoO6 octahedra. The corner-sharing octahedral tilt angles range from 17-30°. The Mo(2)-O(1) bond length is 2.07 Å. The Mo(2)-O(11) bond length is 2.03 Å. The Mo(2)-O(12) bond length is 2.08 Å. The Mo(2)-O(3) bond length is 1.99 Å. The Mo(2)-O(4) bond length is 2.11 Å. The Mo(2)-O(9) bond length is 2.11 Å. In the third Mo site, Mo(3) is bonded to one O(11), one O(3), one O(4), one O(6), one O(7), and one O(9) atom to form corner-sharing MoO6 octahedra. The corner-sharing octahedral tilt angles range from 17-30°. The Mo(3)-O(11) bond length is 2.02 Å. The Mo(3)-O(3) bond length is 2.05 Å. The Mo(3)-O(4) bond length is 1.98 Å. The Mo(3)-O(6) bond length is 2.00 Å. The Mo(3)-O(7) bond length is 2.01 Å. The Mo(3)-O(9) bond length is 1.92 Å. In the fourth Mo site, Mo(4) is bonded to one O(10), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing MoO6 octahedra. The corner-sharing octahedral tilt angles range from 17-29°. The Mo(4)-O(10) bond length is 2.02 Å. The Mo(4)-O(2) bond length is 2.03 Å. The Mo(4)-O(5) bond length is 2.07 Å. The Mo(4)-O(6) bond length is 2.08 Å. The Mo(4)-O(7) bond length is 2.10 Å. The Mo(4)-O(8) bond length is 2.01 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Pr(2), one Mo(1), and one Mo(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Pr(1), one Mo(1), and one Mo(4) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Pr(1), one Mo(2), and one Mo(3) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Pr(1), one Pr(2), one Mo(2), and one Mo(3) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Pr(1), one Pr(2), one Mo(1), and one Mo(4) atom. In the sixth O site, O(6) is bonded in a T-shaped geometry to one Pr(2), one Mo(3), and one Mo(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Pr(1), one Mo(3), and one Mo(4) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Pr(2), one Mo(1), and one Mo(4) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Pr(2), one Mo(2), and one Mo(3) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Pr(1), one Pr(2), one Mo(1), and one Mo(4) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Pr(1), one Pr(2), one Mo(2), and one Mo(3) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Pr(1), one Mo(1), and one Mo(2) atom.