CaPr(WO3)2 crystallizes in the monoclinic P2_1 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. Pr(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(6), two equivalent O(4), and two equivalent O(5) atoms. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(5) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 35-36°. In the second W site, W(2) is bonded to one O(1), one O(6), two equivalent O(3), and two equivalent O(4) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 33-36°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Ca(1), one Pr(1), one W(1), and one W(2) atom to form distorted corner-sharing OCaPrW2 tetrahedra. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Ca(1), one Pr(1), and two equivalent W(1) atoms. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Ca(1), one Pr(1), and two equivalent W(2) atoms. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ca(1), two equivalent Pr(1), and two equivalent W(2) atoms. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Ca(1), two equivalent Pr(1), and two equivalent W(1) atoms. In the sixth O site, O(6) is bonded to one Ca(1), one Pr(1), one W(1), and one W(2) atom to form distorted corner-sharing OCaPrW2 tetrahedra.
CaPr(WO3)2 crystallizes in the monoclinic P2_1 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. The Ca(1)-O(1) bond length is 2.52 Å. The Ca(1)-O(4) bond length is 2.45 Å. The Ca(1)-O(5) bond length is 2.31 Å. The Ca(1)-O(6) bond length is 2.36 Å. There is one shorter (2.65 Å) and one longer (2.80 Å) Ca(1)-O(2) bond length. There is one shorter (2.69 Å) and one longer (2.98 Å) Ca(1)-O(3) bond length. Pr(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(6), two equivalent O(4), and two equivalent O(5) atoms. The Pr(1)-O(1) bond length is 2.39 Å. The Pr(1)-O(2) bond length is 2.32 Å. The Pr(1)-O(3) bond length is 2.44 Å. The Pr(1)-O(6) bond length is 2.52 Å. There is one shorter (2.66 Å) and one longer (3.00 Å) Pr(1)-O(4) bond length. There is one shorter (2.63 Å) and one longer (2.78 Å) Pr(1)-O(5) bond length. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(5) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 35-36°. The W(1)-O(1) bond length is 2.18 Å. The W(1)-O(6) bond length is 2.19 Å. Both W(1)-O(2) bond lengths are 2.14 Å. There is one shorter (2.15 Å) and one longer (2.16 Å) W(1)-O(5) bond length. In the second W site, W(2) is bonded to one O(1), one O(6), two equivalent O(3), and two equivalent O(4) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 33-36°. The W(2)-O(1) bond length is 2.05 Å. The W(2)-O(6) bond length is 2.04 Å. There is one shorter (2.09 Å) and one longer (2.16 Å) W(2)-O(3) bond length. There is one shorter (2.11 Å) and one longer (2.17 Å) W(2)-O(4) bond length. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Ca(1), one Pr(1), one W(1), and one W(2) atom to form distorted corner-sharing OCaPrW2 tetrahedra. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Ca(1), one Pr(1), and two equivalent W(1) atoms. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Ca(1), one Pr(1), and two equivalent W(2) atoms. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ca(1), two equivalent Pr(1), and two equivalent W(2) atoms. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Ca(1), two equivalent Pr(1), and two equivalent W(1) atoms. In the sixth O site, O(6) is bonded to one Ca(1), one Pr(1), one W(1), and one W(2) atom to form distorted corner-sharing OCaPrW2 tetrahedra.