Materials Data on KH3(SeO3)2 by Materials Project
KH3(SeO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of two KH3(SeO3)2 sheets oriented in the (0, 1, 0) direction. K1+ is bonded in a 9-coordinate geometry to one H1+ and eight O2- atoms. The K–H bond length is 2.78 Å. There are a spread of K–O bond distances ranging from 2.80–3.14 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.68 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.04 Å) and one longer (1.57 Å) H–O bond length. In the third H1+ site, H1+ is bonded in a distorted linear geometry to one K1+ and two O2- atoms. There is one shorter (1.05 Å) and one longer (1.52 Å) H–O bond length. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.71–1.82 Å. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.68–1.81 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se4+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent K1+, one H1+, and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+, one H1+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent K1+, one H1+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent K1+, one H1+, and one Se4+ atom.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- OSTI ID:
- 1743012
- Report Number(s):
- mp-1180593
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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