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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on RbGeCl3 by Materials Project

RbGeCl3 is Potassium chlorate structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Rb1+ is bonded in a 9-coordinate geometry to nine Cl1- atoms. There are a spread of Rb–Cl bond distances ranging from 3.46–3.90 Å. Ge2+ is bonded in a distorted T-shaped geometry to three Cl1- atoms. There are two shorter (2.35 Å) and one longer (2.36 Å) Ge–Cl bond lengths. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 1-coordinate geometry to three equivalent Rb1+ and one Ge2+ atom. In the second Cl1- site, Cl1- is bonded to three equivalent Rb1+ and one Ge2+ atom to form a mixture of distorted corner and edge-sharing ClRb3Ge tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbGeCl3 by Materials Project

RbGeCl3 is Orthorhombic Perovskite structured and crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Rb1+ is bonded in a 8-coordinate geometry to eight Cl1- atoms. There are a spread of Rb–Cl bond distances ranging from 3.43–3.68 Å. Ge2+ is bonded in a 6-coordinate geometry to five Cl1- atoms. There are a spread of Ge–Cl bond distances ranging from 2.40–3.22 Å. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 1-coordinate geometry to three equivalent Rb1+ and one Ge2+ atom. In the second Cl1- site, Cl1- is bonded in a 1-coordinate geometry to three equivalent Rb1+ and two equivalent Ge2+ atoms. In the third Cl1- site, Cl1- is bonded in a 1-coordinate geometry to two equivalent Rb1+ and two equivalent Ge2+ atoms.

36 MATERIALS SCIENCE↗