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Title: Materials Data on SrCrO3 by Materials Project

Abstract

SrCrO3 is (Cubic) Perovskite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are fourteen inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with nine SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and faces with seven CrO6 octahedra. The corner-sharing octahedra tilt angles range from 9–11°. There are a spread of Sr–O bond distances ranging from 2.72–2.94 Å. In the second Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six CrO6 octahedra, faces with eight SrO12 cuboctahedra, and faces with six CrO6 octahedra. The corner-sharing octahedra tilt angles range from 11–14°. There are a spread of Sr–O bond distances ranging from 2.74–2.95 Å. In the third Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.77–2.84 Å. In the fourth Sr2+ site, Sr2+ is bonded to twelve O2-more » atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.76–2.85 Å. In the fifth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.74–2.86 Å. In the sixth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.72–2.85 Å. In the seventh Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six CrO6 octahedra, faces with eight SrO12 cuboctahedra, and faces with six CrO6 octahedra. The corner-sharing octahedra tilt angles range from 11–14°. There are a spread of Sr–O bond distances ranging from 2.74–2.95 Å. In the eighth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with nine SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and faces with seven CrO6 octahedra. The corner-sharing octahedra tilt angles range from 10–11°. There are a spread of Sr–O bond distances ranging from 2.70–2.96 Å. In the ninth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.75–2.86 Å. In the tenth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.76–2.83 Å. In the eleventh Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with nine SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and faces with seven CrO6 octahedra. The corner-sharing octahedra tilt angles range from 10–11°. There are a spread of Sr–O bond distances ranging from 2.68–2.96 Å. In the twelfth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six CrO6 octahedra, faces with eight SrO12 cuboctahedra, and faces with six CrO6 octahedra. The corner-sharing octahedra tilt angles range from 11–14°. There are a spread of Sr–O bond distances ranging from 2.73–2.93 Å. In the thirteenth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six CrO6 octahedra, faces with eight SrO12 cuboctahedra, and faces with six CrO6 octahedra. The corner-sharing octahedra tilt angles range from 12–13°. There are a spread of Sr–O bond distances ranging from 2.72–2.94 Å. In the fourteenth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with nine SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and faces with seven CrO6 octahedra. The corner-sharing octahedra tilt angles range from 9–11°. There are a spread of Sr–O bond distances ranging from 2.71–2.91 Å. There are fourteen inequivalent Cr4+ sites. In the first Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 5–7°. There are a spread of Cr–O bond distances ranging from 1.85–2.01 Å. In the second Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. There are a spread of Cr–O bond distances ranging from 1.86–1.98 Å. In the third Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six CrO6 octahedra and faces with eight SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 3–6°. There are a spread of Cr–O bond distances ranging from 1.87–1.98 Å. In the fourth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. There are a spread of Cr–O bond distances ranging from 1.86–1.97 Å. In the fifth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. There are a spread of Cr–O bond distances ranging from 1.87–1.98 Å. In the sixth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six CrO6 octahedra and faces with eight SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 4–7°. There are a spread of Cr–O bond distances ranging from 1.87–1.98 Å. In the seventh Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. There are a spread of Cr–O bond distances ranging from 1.86–1.98 Å. In the eighth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. There are a spread of Cr–O bond distances ranging from 1.87–1.97 Å. In the ninth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. There are a spread of Cr–O bond distances ranging from 1.87–1.98 Å. In the tenth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 4–6°. There are a spread of Cr–O bond distances ranging from 1.86–2.00 Å. In the eleventh Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 3–5°. There are a spread of Cr–O bond distances ranging from 1.84–1.99 Å. In the twelfth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. There are a spread of Cr–O bond distances ranging from 1.88–1.97 Å. In the thirteenth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. There are a spread of Cr–O bond distances ranging from 1.86–2.00 Å. In the fourteenth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 4–7°. There are a spread of Cr–O bond distances ranging from 1.85–2.00 Å. There are forty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the second O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the third O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the fourth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the eighth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the tenth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the eleventh O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the twelfth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the sixteenth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the seventeenth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the eighteenth O2« less

Authors:
Publication Date:
Other Number(s):
mp-781082
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; SrCrO3; Cr-O-Sr
OSTI Identifier:
1307438
DOI:
https://doi.org/10.17188/1307438

Citation Formats

The Materials Project. Materials Data on SrCrO3 by Materials Project. United States: N. p., 2018. Web. doi:10.17188/1307438.
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The Materials Project. Materials Data on SrCrO3 by Materials Project. United States. doi:https://doi.org/10.17188/1307438
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The Materials Project. 2018. "Materials Data on SrCrO3 by Materials Project". United States. doi:https://doi.org/10.17188/1307438. https://www.osti.gov/servlets/purl/1307438. Pub date:Wed Jul 18 00:00:00 EDT 2018
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@article{osti_1307438,
title = {Materials Data on SrCrO3 by Materials Project},
author = {The Materials Project},
abstractNote = {SrCrO3 is (Cubic) Perovskite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are fourteen inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with nine SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and faces with seven CrO6 octahedra. The corner-sharing octahedra tilt angles range from 9–11°. There are a spread of Sr–O bond distances ranging from 2.72–2.94 Å. In the second Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six CrO6 octahedra, faces with eight SrO12 cuboctahedra, and faces with six CrO6 octahedra. The corner-sharing octahedra tilt angles range from 11–14°. There are a spread of Sr–O bond distances ranging from 2.74–2.95 Å. In the third Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.77–2.84 Å. In the fourth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.76–2.85 Å. In the fifth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.74–2.86 Å. In the sixth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.72–2.85 Å. In the seventh Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six CrO6 octahedra, faces with eight SrO12 cuboctahedra, and faces with six CrO6 octahedra. The corner-sharing octahedra tilt angles range from 11–14°. There are a spread of Sr–O bond distances ranging from 2.74–2.95 Å. In the eighth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with nine SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and faces with seven CrO6 octahedra. The corner-sharing octahedra tilt angles range from 10–11°. There are a spread of Sr–O bond distances ranging from 2.70–2.96 Å. In the ninth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.75–2.86 Å. In the tenth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, and faces with eight CrO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.76–2.83 Å. In the eleventh Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with nine SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and faces with seven CrO6 octahedra. The corner-sharing octahedra tilt angles range from 10–11°. There are a spread of Sr–O bond distances ranging from 2.68–2.96 Å. In the twelfth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six CrO6 octahedra, faces with eight SrO12 cuboctahedra, and faces with six CrO6 octahedra. The corner-sharing octahedra tilt angles range from 11–14°. There are a spread of Sr–O bond distances ranging from 2.73–2.93 Å. In the thirteenth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six CrO6 octahedra, faces with eight SrO12 cuboctahedra, and faces with six CrO6 octahedra. The corner-sharing octahedra tilt angles range from 12–13°. There are a spread of Sr–O bond distances ranging from 2.72–2.94 Å. In the fourteenth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with nine SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and faces with seven CrO6 octahedra. The corner-sharing octahedra tilt angles range from 9–11°. There are a spread of Sr–O bond distances ranging from 2.71–2.91 Å. There are fourteen inequivalent Cr4+ sites. In the first Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 5–7°. There are a spread of Cr–O bond distances ranging from 1.85–2.01 Å. In the second Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. There are a spread of Cr–O bond distances ranging from 1.86–1.98 Å. In the third Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six CrO6 octahedra and faces with eight SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 3–6°. There are a spread of Cr–O bond distances ranging from 1.87–1.98 Å. In the fourth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. There are a spread of Cr–O bond distances ranging from 1.86–1.97 Å. In the fifth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. There are a spread of Cr–O bond distances ranging from 1.87–1.98 Å. In the sixth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six CrO6 octahedra and faces with eight SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 4–7°. There are a spread of Cr–O bond distances ranging from 1.87–1.98 Å. In the seventh Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. There are a spread of Cr–O bond distances ranging from 1.86–1.98 Å. In the eighth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. There are a spread of Cr–O bond distances ranging from 1.87–1.97 Å. In the ninth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. There are a spread of Cr–O bond distances ranging from 1.87–1.98 Å. In the tenth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 4–6°. There are a spread of Cr–O bond distances ranging from 1.86–2.00 Å. In the eleventh Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 3–5°. There are a spread of Cr–O bond distances ranging from 1.84–1.99 Å. In the twelfth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. There are a spread of Cr–O bond distances ranging from 1.88–1.97 Å. In the thirteenth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. There are a spread of Cr–O bond distances ranging from 1.86–2.00 Å. In the fourteenth Cr4+ site, Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with three equivalent SrO12 cuboctahedra, corners with three equivalent CrO6 octahedra, faces with seven SrO12 cuboctahedra, and a faceface with one CrO6 octahedra. The corner-sharing octahedra tilt angles range from 4–7°. There are a spread of Cr–O bond distances ranging from 1.85–2.00 Å. There are forty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the second O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the third O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the fourth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the eighth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the tenth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the eleventh O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the twelfth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Cr4+ atoms. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the sixteenth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the seventeenth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Cr4+ atoms. In the eighteenth O2},
doi = {10.17188/1307438},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jul 18 00:00:00 EDT 2018},
month = {Wed Jul 18 00:00:00 EDT 2018}
}
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DOI: https://doi.org/10.17188/1307438
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