Materials Data on Rb3(Cr5Se8)4 by Materials Project

doi:10.17188/1652931

Title: Materials Data on Rb3(Cr5Se8)4 by Materials Project

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Abstract

Rb3(Cr5Se8)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten Se2- atoms. There are a spread of Rb–Se bond distances ranging from 3.45–3.89 Å. In the second Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten Se2- atoms. There are a spread of Rb–Se bond distances ranging from 3.57–3.77 Å. There are ten inequivalent Cr+3.05+ sites. In the first Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Cr–Se bond distances ranging from 2.47–2.67 Å. In the second Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Cr–Se bond distances ranging from 2.46–2.66 Å. In the third Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are amore »« less

Authors:: The Materials Project

Publication Date:: 2020-04-29

Other Number(s):: mp-1220065

DOE Contract Number:: AC02-05CH11231; EDCBEE

Research Org.:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Collaborations:: MIT; UC Berkeley; Duke; U Louvain

Subject:: 36 MATERIALS SCIENCE

Keywords:: crystal structure; Rb3(Cr5Se8)4; Cr-Rb-Se

OSTI Identifier:: 1652931

DOI:: https://doi.org/10.17188/1652931

Citation Formats


                    The Materials Project. Materials Data on Rb3(Cr5Se8)4 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1652931.

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                    The Materials Project. Materials Data on Rb3(Cr5Se8)4 by Materials Project.  United States.  doi:https://doi.org/10.17188/1652931

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                    The Materials Project. 2020.  
"Materials Data on Rb3(Cr5Se8)4 by Materials Project".  United States.  doi:https://doi.org/10.17188/1652931.  https://www.osti.gov/servlets/purl/1652931. Pub date:Wed Apr 29 00:00:00 EDT 2020

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@article{osti_1652931,

  title        = {Materials Data on Rb3(Cr5Se8)4 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Rb3(Cr5Se8)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten Se2- atoms. There are a spread of Rb–Se bond distances ranging from 3.45–3.89 Å. In the second Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten Se2- atoms. There are a spread of Rb–Se bond distances ranging from 3.57–3.77 Å. There are ten inequivalent Cr+3.05+ sites. In the first Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Cr–Se bond distances ranging from 2.47–2.67 Å. In the second Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Cr–Se bond distances ranging from 2.46–2.66 Å. In the third Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Cr–Se bond distances ranging from 2.47–2.67 Å. In the fourth Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Cr–Se bond distances ranging from 2.49–2.66 Å. In the fifth Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge and corner-sharing CrSe6 octahedra. The corner-sharing octahedral tilt angles are 48°. There are a spread of Cr–Se bond distances ranging from 2.52–2.55 Å. In the sixth Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge and corner-sharing CrSe6 octahedra. The corner-sharing octahedral tilt angles are 48°. There are five shorter (2.53 Å) and one longer (2.55 Å) Cr–Se bond lengths. In the seventh Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 48–51°. There are a spread of Cr–Se bond distances ranging from 2.48–2.66 Å. In the eighth Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 48–50°. There are a spread of Cr–Se bond distances ranging from 2.49–2.65 Å. In the ninth Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 48–51°. There are a spread of Cr–Se bond distances ranging from 2.49–2.66 Å. In the tenth Cr+3.05+ site, Cr+3.05+ is bonded to six Se2- atoms to form a mixture of edge, corner, and face-sharing CrSe6 octahedra. The corner-sharing octahedra tilt angles range from 48–51°. There are a spread of Cr–Se bond distances ranging from 2.48–2.65 Å. There are sixteen inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 4-coordinate geometry to one Rb1+ and three Cr+3.05+ atoms. In the second Se2- site, Se2- is bonded in a 3-coordinate geometry to two Rb1+ and three Cr+3.05+ atoms. In the third Se2- site, Se2- is bonded in a 3-coordinate geometry to two Rb1+ and three Cr+3.05+ atoms. In the fourth Se2- site, Se2- is bonded in a 4-coordinate geometry to one Rb1+ and three Cr+3.05+ atoms. In the fifth Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to one Rb1+ and three Cr+3.05+ atoms. In the sixth Se2- site, Se2- is bonded in a 5-coordinate geometry to two Rb1+ and three Cr+3.05+ atoms. In the seventh Se2- site, Se2- is bonded in a 5-coordinate geometry to two Rb1+ and three Cr+3.05+ atoms. In the eighth Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to one Rb1+ and three Cr+3.05+ atoms. In the ninth Se2- site, Se2- is bonded in a rectangular see-saw-like geometry to four Cr+3.05+ atoms. In the tenth Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to one Rb1+ and four Cr+3.05+ atoms. In the eleventh Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to one Rb1+ and four Cr+3.05+ atoms. In the twelfth Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to one Rb1+ and four Cr+3.05+ atoms. In the thirteenth Se2- site, Se2- is bonded to five Cr+3.05+ atoms to form distorted edge-sharing SeCr5 trigonal bipyramids. In the fourteenth Se2- site, Se2- is bonded to five Cr+3.05+ atoms to form distorted edge-sharing SeCr5 trigonal bipyramids. In the fifteenth Se2- site, Se2- is bonded to five Cr+3.05+ atoms to form distorted edge-sharing SeCr5 trigonal bipyramids. In the sixteenth Se2- site, Se2- is bonded to five Cr+3.05+ atoms to form distorted edge-sharing SeCr5 trigonal bipyramids.},

  doi          = {10.17188/1652931},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {4}

}

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