Materials Data on CsTm2Cu3Se5 by Materials Project

doi:10.17188/1276888

Title: Materials Data on CsTm2Cu3Se5 by Materials Project

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Abstract

CsTm2Cu3Se5 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Cs1+ is bonded in a 8-coordinate geometry to eight Se2- atoms. There are a spread of Cs–Se bond distances ranging from 3.49–3.63 Å. Tm3+ is bonded to six Se2- atoms to form TmSe6 octahedra that share a cornercorner with one TmSe6 octahedra, corners with four equivalent CuSe4 tetrahedra, edges with four equivalent TmSe6 octahedra, and edges with five CuSe4 tetrahedra. The corner-sharing octahedral tilt angles are 28°. There are a spread of Tm–Se bond distances ranging from 2.80–2.91 Å. There are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with four equivalent TmSe6 octahedra, corners with four CuSe4 tetrahedra, edges with three equivalent TmSe6 octahedra, and an edgeedge with one CuSe4 tetrahedra. The corner-sharing octahedra tilt angles range from 14–60°. There are a spread of Cu–Se bond distances ranging from 2.50–2.54 Å. In the second Cu1+ site, Cu1+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with six CuSe4 tetrahedra and edges with four equivalent TmSe6 octahedra. There are two shorter (2.39 Å) and two longer (2.74 Å)more »« less

Authors:: The Materials Project

Publication Date:: Thu Jul 23 00:00:00 EDT 2020

Other Number(s):: mp-581749

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; CsTm2Cu3Se5; Cs-Cu-Se-Tm

OSTI Identifier:: 1276888

DOI:: https://doi.org/10.17188/1276888

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                    The Materials Project. Materials Data on CsTm2Cu3Se5 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1276888.

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                    The Materials Project. Materials Data on CsTm2Cu3Se5 by Materials Project.  United States.  doi:https://doi.org/10.17188/1276888

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                    The Materials Project. 2020.  
"Materials Data on CsTm2Cu3Se5 by Materials Project".  United States.  doi:https://doi.org/10.17188/1276888.  https://www.osti.gov/servlets/purl/1276888. Pub date:Thu Jul 23 00:00:00 EDT 2020

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@article{osti_1276888,

  title        = {Materials Data on CsTm2Cu3Se5 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {CsTm2Cu3Se5 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Cs1+ is bonded in a 8-coordinate geometry to eight Se2- atoms. There are a spread of Cs–Se bond distances ranging from 3.49–3.63 Å. Tm3+ is bonded to six Se2- atoms to form TmSe6 octahedra that share a cornercorner with one TmSe6 octahedra, corners with four equivalent CuSe4 tetrahedra, edges with four equivalent TmSe6 octahedra, and edges with five CuSe4 tetrahedra. The corner-sharing octahedral tilt angles are 28°. There are a spread of Tm–Se bond distances ranging from 2.80–2.91 Å. There are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with four equivalent TmSe6 octahedra, corners with four CuSe4 tetrahedra, edges with three equivalent TmSe6 octahedra, and an edgeedge with one CuSe4 tetrahedra. The corner-sharing octahedra tilt angles range from 14–60°. There are a spread of Cu–Se bond distances ranging from 2.50–2.54 Å. In the second Cu1+ site, Cu1+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with six CuSe4 tetrahedra and edges with four equivalent TmSe6 octahedra. There are two shorter (2.39 Å) and two longer (2.74 Å) Cu–Se bond lengths. There are three inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 7-coordinate geometry to two equivalent Cs1+, two equivalent Tm3+, and three Cu1+ atoms. In the second Se2- site, Se2- is bonded to one Cs1+, three equivalent Tm3+, and two equivalent Cu1+ atoms to form a mixture of distorted edge and corner-sharing SeCsTm3Cu2 octahedra. The corner-sharing octahedral tilt angles are 54°. In the third Se2- site, Se2- is bonded in a 6-coordinate geometry to two equivalent Cs1+, two equivalent Tm3+, and two equivalent Cu1+ atoms.},

  doi          = {10.17188/1276888},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Jul 23 00:00:00 EDT 2020},

  month        = {Thu Jul 23 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1276888

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