NaCdIn2(PO4)3 crystallizes in the monoclinic C2/c space group. Na(1) is bonded in a 6-coordinate geometry to two equivalent O(4) and four equivalent O(2) atoms. Cd(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms to form distorted CdO6 octahedra that share corners with two equivalent P(2)O4 tetrahedra, corners with four equivalent P(1)O4 tetrahedra, and edges with two equivalent In(1)O6 octahedra. In(1) is bonded to one O(1), one O(4), one O(5), one O(6), and two equivalent O(3) atoms to form InO6 octahedra that share corners with two equivalent P(2)O4 tetrahedra, corners with four equivalent P(1)O4 tetrahedra,  an edgeedge with one Cd(1)O6 octahedra, and  an edgeedge with one In(1)O6 octahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), one O(5), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Cd(1)O6 octahedra and corners with four equivalent In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. In the second P site, P(2) is bonded to two equivalent O(1) and two equivalent O(4) atoms to form PO4 tetrahedra that share corners with two equivalent Cd(1)O6 octahedra and corners with four equivalent In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-61°. There are six inequivalent O sites. In the first O site, O(5) is bonded in a bent 150 degrees geometry to one In(1) and one P(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Cd(1), one In(1), and one P(1) atom. In the third O site, O(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one In(1), and one P(2) atom. In the fourth O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Cd(1), and one P(1) atom. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to two equivalent In(1) and one P(1) atom. In the sixth O site, O(4) is bonded in a distorted trigonal planar geometry to one Na(1), one In(1), and one P(2) atom.
NaCdIn2(PO4)3 crystallizes in the monoclinic C2/c space group. Na(1) is bonded in a 6-coordinate geometry to two equivalent O(4) and four equivalent O(2) atoms. Both Na(1)-O(4) bond lengths are 2.38 Å. There are two shorter (2.44 Å) and two longer (2.74 Å) Na(1)-O(2) bond lengths. Cd(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms to form distorted CdO6 octahedra that share corners with two equivalent P(2)O4 tetrahedra, corners with four equivalent P(1)O4 tetrahedra, and edges with two equivalent In(1)O6 octahedra. Both Cd(1)-O(1) bond lengths are 2.33 Å. Both Cd(1)-O(2) bond lengths are 2.34 Å. Both Cd(1)-O(6) bond lengths are 2.36 Å. In(1) is bonded to one O(1), one O(4), one O(5), one O(6), and two equivalent O(3) atoms to form InO6 octahedra that share corners with two equivalent P(2)O4 tetrahedra, corners with four equivalent P(1)O4 tetrahedra,  an edgeedge with one Cd(1)O6 octahedra, and  an edgeedge with one In(1)O6 octahedra. The In(1)-O(1) bond length is 2.20 Å. The In(1)-O(4) bond length is 2.16 Å. The In(1)-O(5) bond length is 2.09 Å. The In(1)-O(6) bond length is 2.17 Å. There is one shorter (2.22 Å) and one longer (2.30 Å) In(1)-O(3) bond length. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), one O(5), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Cd(1)O6 octahedra and corners with four equivalent In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. The P(1)-O(2) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.58 Å. The P(1)-O(5) bond length is 1.53 Å. The P(1)-O(6) bond length is 1.57 Å. In the second P site, P(2) is bonded to two equivalent O(1) and two equivalent O(4) atoms to form PO4 tetrahedra that share corners with two equivalent Cd(1)O6 octahedra and corners with four equivalent In(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-61°. Both P(2)-O(1) bond lengths are 1.56 Å. Both P(2)-O(4) bond lengths are 1.55 Å. There are six inequivalent O sites. In the first O site, O(5) is bonded in a bent 150 degrees geometry to one In(1) and one P(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Cd(1), one In(1), and one P(1) atom. In the third O site, O(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one In(1), and one P(2) atom. In the fourth O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Cd(1), and one P(1) atom. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to two equivalent In(1) and one P(1) atom. In the sixth O site, O(4) is bonded in a distorted trigonal planar geometry to one Na(1), one In(1), and one P(2) atom.