Materials Data on KCaP3(HO2)6 by Materials Project
KCaP3H4O11H2O crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of four water molecules and one KCaP3H4O11 framework. In the KCaP3H4O11 framework, K1+ is bonded in a 1-coordinate geometry to two H1+ and eleven O2- atoms. There are one shorter (2.89 Å) and one longer (2.92 Å) K–H bond lengths. There are a spread of K–O bond distances ranging from 2.70–3.50 Å. Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.43–2.65 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.63 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.63 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.64 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 K1+ and 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 K1+ and one O2- atom. The H–O bond length is 0.99 Å. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one K1+ and two P5+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ca2+, and one P5+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ca2+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+, one Ca2+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one K1+ and two P5+ atoms. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+, one Ca2+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a water-like geometry to one K1+, one Ca2+, and two H1+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+ and two P5+ atoms. In the tenth O2- site, O2- is bonded in a water-like geometry to one K1+, one Ca2+, and two H1+ atoms. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+ and one P5+ 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:
- 1287720
- Report Number(s):
- mp-733862
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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