CaZrGeO5 crystallizes in the triclinic P-1 space group. Ca(1) is bonded in a 8-coordinate geometry to one Ge(1), one O(1), one O(3), one O(5), two equivalent O(2), and two equivalent O(4) atoms. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a distorted linear geometry to two equivalent O(1) and two equivalent O(4) atoms. In the second Zr site, Zr(2) is bonded in a 4-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms. Ge(1) is bonded in a 4-coordinate geometry to one Ca(1), one O(2), one O(3), one O(4), and one O(5) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Ca(1), one Zr(1), and one Zr(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like 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 single-bond geometry to one Ca(1) and one Ge(1) atom. In the fourth O site, O(4) is bonded in a 4-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 3-coordinate geometry to one 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 Ge(1), one O(1), one O(3), one O(5), two equivalent O(2), and two equivalent O(4) atoms. The Ca(1)-Ge(1) bond length is 2.71 Å. The Ca(1)-O(1) bond length is 2.55 Å. The Ca(1)-O(3) bond length is 2.90 Å. The Ca(1)-O(5) bond length is 2.44 Å. There is one shorter (2.45 Å) and one longer (2.94 Å) Ca(1)-O(2) bond length. There is one shorter (2.37 Å) and one longer (2.89 Å) Ca(1)-O(4) bond length. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a distorted linear geometry to two equivalent O(1) and two equivalent O(4) atoms. Both Zr(1)-O(1) bond lengths are 1.77 Å. Both Zr(1)-O(4) bond lengths are 2.56 Å. In the second Zr site, Zr(2) is bonded in a 4-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms. Both Zr(2)-O(1) bond lengths are 1.68 Å. Both Zr(2)-O(2) bond lengths are 2.89 Å. Both Zr(2)-O(5) bond lengths are 2.09 Å. Ge(1) is bonded in a 4-coordinate geometry to one Ca(1), one O(2), one O(3), one O(4), and one O(5) atom. The Ge(1)-O(2) bond length is 2.09 Å. The Ge(1)-O(3) bond length is 1.59 Å. The Ge(1)-O(4) bond length is 1.62 Å. The Ge(1)-O(5) bond length is 2.08 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Ca(1), one Zr(1), and one Zr(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like 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 single-bond geometry to one Ca(1) and one Ge(1) atom. In the fourth O site, O(4) is bonded in a 4-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 3-coordinate geometry to one Ca(1), one Zr(2), and one Ge(1) atom.