Materials Data on Rb2U(N2O7)2 by Materials Project
Rb2U(N2O7)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 3.00–3.31 Å. U6+ is bonded in a distorted linear geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 1.80–2.57 Å. There are two inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.23–1.29 Å. In the second N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.25 Å) and one longer (1.31 Å) N–O bond length. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Rb1+ and one N5+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Rb1+, one U6+, and one N5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+, one U6+, and one N5+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one U6+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Rb1+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Rb1+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one U6+, and one N5+ atom.