Materials Data on KSmH4(N2O7)2 by Materials Project
KSmH4(N2O7)2 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.81–3.06 Å. Sm3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sm–O bond distances ranging from 2.45–2.59 Å. There are four 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 1.24–1.29 Å. In the second 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 1.25–1.29 Å. In the third 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 1.24–1.30 Å. In the fourth 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 1.24–1.29 Å. There are four inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one Sm3+ and two H1+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N5+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one K1+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Sm3+ and one N5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Sm3+, and one N5+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Sm3+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Sm3+ and one N5+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Sm3+, and one N5+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Sm3+, and one N5+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one N5+ atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to one K1+ and one N5+ atom. In the twelfth O2- site, O2- is bonded in a distorted water-like geometry to one Sm3+ and two H1+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Sm3+, and one N5+ atom. In the fourteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Sm3+ and one N5+ atom.