Materials Data on RbSnAsO5 by Materials Project
RbSnAsO5 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 4-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.85–3.60 Å. In the second Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.86–3.42 Å. There are two inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with two equivalent SnO6 octahedra and corners with four AsO4 tetrahedra. The corner-sharing octahedral tilt angles are 47°. There are a spread of Sn–O bond distances ranging from 2.01–2.19 Å. In the second Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with two equivalent SnO6 octahedra and corners with four AsO4 tetrahedra. The corner-sharing octahedral tilt angles are 47°. There are a spread of Sn–O bond distances ranging from 2.02–2.19 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 50–53°. There is three shorter (1.72 Å) and one longer (1.73 Å) As–O bond length. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 50–52°. There is two shorter (1.72 Å) and two longer (1.73 Å) As–O bond length. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and two Sn4+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and two Sn4+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+, one Sn4+, and one As5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+, one Sn4+, and one As5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Sn4+, and one As5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Sn4+, and one As5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Sn4+, and one As5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Rb1+, one Sn4+, and one As5+ atom. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Sn4+, and one As5+ atom. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one Sn4+, and one As5+ 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:
- 1191026
- Report Number(s):
- mp-15108
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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