Materials Data on Na3GeMo3O19 by Materials Project
Na3Mo3GeO19 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Na sites. In the first Na site, Na is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Na–O bond distances ranging from 2.30–2.65 Å. In the second Na site, Na is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Na–O bond distances ranging from 2.35–2.86 Å. In the third Na site, Na is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Na–O bond distances ranging from 2.36–2.96 Å. There are three inequivalent Mo sites. In the first Mo site, Mo is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Mo–O bond distances ranging from 1.75–2.56 Å. In the second Mo site, Mo is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Mo–O bond distances ranging from 1.76–2.33 Å. In the third Mo site, Mo is bonded in a 5-coordinate geometry to five O atoms. There are a spread of Mo–O bond distances ranging from 1.73–2.17 Å. Ge is bonded in a tetrahedral geometry to four O atoms. There are a spread of Ge–O bond distances ranging from 1.78–1.81 Å. There are nineteen inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to two equivalent Na and one Mo atom. In the second O site, O is bonded in a bent 120 degrees geometry to two Mo atoms. In the third O site, O is bonded in a 1-coordinate geometry to two Na and one Mo atom. In the fourth O site, O is bonded in a bent 120 degrees geometry to two Mo atoms. In the fifth O site, O is bonded in a 1-coordinate geometry to one Na, one Mo, and one Ge atom. In the sixth O site, O is bonded in a bent 120 degrees geometry to one Na and one Mo atom. In the seventh O site, O is bonded in a linear geometry to one Na and one Mo atom. In the eighth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Na and two Mo atoms. In the ninth O site, O is bonded in a 3-coordinate geometry to two Mo and one Ge atom. In the tenth O site, O is bonded in a single-bond geometry to one Mo atom. In the eleventh O site, O is bonded in a 2-coordinate geometry to two equivalent Na and one Mo atom. In the twelfth O site, O is bonded in a 1-coordinate geometry to two Mo and one Ge atom. In the thirteenth O site, O is bonded in a distorted bent 150 degrees geometry to one Na and one Ge atom. In the fourteenth O site, O is bonded in a distorted bent 150 degrees geometry to one Na and one O atom. The O–O bond length is 1.23 Å. In the fifteenth O site, O is bonded in a distorted bent 150 degrees geometry to two Na atoms. In the sixteenth O site, O is bonded in a bent 120 degrees geometry to one Na and one O atom. The O–O bond length is 1.23 Å. In the seventeenth O site, O is bonded in a bent 120 degrees geometry to one Na and one O atom. In the eighteenth O site, O is bonded in a 2-coordinate geometry to two Na atoms. In the nineteenth O site, O is bonded in a single-bond geometry to one Na atom.