Materials Data on Na3P2H4O7 by Materials Project
Na3P2H4O7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to five O2- atoms to form edge-sharing NaO5 trigonal bipyramids. There are a spread of Na–O bond distances ranging from 2.33–2.49 Å. In the second Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.36–2.74 Å. In the third Na1+ site, Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.32–2.69 Å. There are two inequivalent P+4.50+ sites. In the first P+4.50+ site, P+4.50+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.53 Å) and one longer (1.54 Å) P–O bond length. In the second P+4.50+ site, P+4.50+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.54 Å) and one longer (1.55 Å) P–O bond length. There are four inequivalent H+0.50+ sites. In the first H+0.50+ site, H+0.50+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H+0.50+ site, H+0.50+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the third H+0.50+ site, H+0.50+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fourth H+0.50+ site, H+0.50+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one P+4.50+ atom. In the second O2- site, O2- is bonded to three Na1+ and one P+4.50+ atom to form distorted corner-sharing ONa3P trigonal pyramids. In the third O2- site, O2- is bonded to three Na1+ and one P+4.50+ atom to form a mixture of distorted corner and edge-sharing ONa3P tetrahedra. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+ and one P+4.50+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+ and one P+4.50+ atom. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Na1+ and two H+0.50+ atoms. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to three Na1+ and two H+0.50+ atoms.
- 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:
- 1284939
- Report Number(s):
- mp-696019
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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