CaZrGeO5 crystallizes in the triclinic P-1 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(3), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form ZrO6 octahedra that share corners with two equivalent Zr(2)O6 octahedra and corners with four equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 46°. In the second Zr site, Zr(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form ZrO6 octahedra that share corners with two equivalent Zr(1)O6 octahedra and corners with four equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 46°. Ge(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form GeO4 tetrahedra that share corners with two equivalent Zr(1)O6 octahedra and corners with two equivalent Zr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-58°. There are five inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Ca(1), one Zr(1), and one Zr(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Ca(1), one Zr(2), and one Ge(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Ca(1), one Zr(1), and one Ge(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Ca(1), one Zr(1), and one Ge(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ca(1), one Zr(2), and one Ge(1) atom.
CaZrGeO5 crystallizes in the triclinic P-1 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(3), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. The Ca(1)-O(1) bond length is 2.28 Å. The Ca(1)-O(3) bond length is 2.44 Å. There is one shorter (2.58 Å) and one longer (2.92 Å) Ca(1)-O(2) bond length. There is one shorter (2.48 Å) and one longer (3.03 Å) Ca(1)-O(4) bond length. There is one shorter (2.44 Å) and one longer (2.72 Å) Ca(1)-O(5) bond length. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form ZrO6 octahedra that share corners with two equivalent Zr(2)O6 octahedra and corners with four equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 46°. Both Zr(1)-O(1) bond lengths are 2.06 Å. Both Zr(1)-O(3) bond lengths are 2.13 Å. Both Zr(1)-O(4) bond lengths are 2.16 Å. In the second Zr site, Zr(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form ZrO6 octahedra that share corners with two equivalent Zr(1)O6 octahedra and corners with four equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 46°. Both Zr(2)-O(1) bond lengths are 2.05 Å. Both Zr(2)-O(2) bond lengths are 2.15 Å. Both Zr(2)-O(5) bond lengths are 2.17 Å. Ge(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form GeO4 tetrahedra that share corners with two equivalent Zr(1)O6 octahedra and corners with two equivalent Zr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-58°. The Ge(1)-O(2) bond length is 1.79 Å. The Ge(1)-O(3) bond length is 1.76 Å. The Ge(1)-O(4) bond length is 1.77 Å. The Ge(1)-O(5) bond length is 1.78 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Ca(1), one Zr(1), and one Zr(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Ca(1), one Zr(2), and one Ge(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Ca(1), one Zr(1), and one Ge(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Ca(1), one Zr(1), and one Ge(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ca(1), one Zr(2), and one Ge(1) atom.