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Title: Materials Data on KMg3AlSi3O11F by Materials Project

Abstract

KMg3AlSi3O11F crystallizes in the triclinic P1 space group. The structure is three-dimensional. K is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of K–O bond distances ranging from 2.99–3.37 Å. There are three inequivalent Mg sites. In the first Mg site, Mg is bonded to five O and one F atom to form MgO5F octahedra that share a cornercorner with one AlO4 tetrahedra, corners with three SiO4 tetrahedra, and edges with six MgO5F octahedra. There are a spread of Mg–O bond distances ranging from 2.03–2.16 Å. The Mg–F bond length is 2.02 Å. In the second Mg site, Mg is bonded to five O and one F atom to form MgO5F octahedra that share a cornercorner with one AlO4 tetrahedra, corners with three SiO4 tetrahedra, and edges with six MgO5F octahedra. There are a spread of Mg–O bond distances ranging from 2.05–2.15 Å. The Mg–F bond length is 2.07 Å. In the third Mg site, Mg is bonded to five O and one F atom to form MgO5F octahedra that share a cornercorner with one AlO4 tetrahedra, corners with three SiO4 tetrahedra, and edges with six MgO5F octahedra. There are a spread of Mg–O bondmore » distances ranging from 2.04–2.13 Å. The Mg–F bond length is 2.09 Å. Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three MgO5F octahedra and corners with three equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 61–62°. There are a spread of Al–O bond distances ranging from 1.73–1.78 Å. There are three inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO5F octahedra and corners with three equivalent AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 56–59°. There is three shorter (1.62 Å) and one longer (1.67 Å) Si–O bond length. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO5F octahedra and corners with three equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–58°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO5F octahedra and corners with three equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–58°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. There are eleven inequivalent O sites. In the first O site, O is bonded in a distorted tetrahedral geometry to three Mg and one Al atom. In the second O site, O is bonded in a distorted rectangular see-saw-like geometry to three Mg and one Si atom. In the third O site, O is bonded in a bent 150 degrees geometry to two equivalent K and two Si atoms. In the fourth O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent K and two Si atoms. In the fifth O site, O is bonded in a distorted rectangular see-saw-like geometry to three Mg and one Si atom. In the sixth O site, O is bonded in a distorted rectangular see-saw-like geometry to three Mg and one Si atom. In the seventh O site, O is bonded in a 2-coordinate geometry to two equivalent K, one Al, and one Si atom. In the eighth O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent K, one Al, and one Si atom. In the ninth O site, O is bonded in a 2-coordinate geometry to two equivalent K, one Al, and one Si atom. In the tenth O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent K and two Si atoms. In the eleventh O site, O is bonded in a trigonal non-coplanar geometry to three Mg atoms. F is bonded in a distorted trigonal non-coplanar geometry to three Mg atoms.« less

Publication Date:
Other Number(s):
mp-1223563
DOE Contract Number:  
AC02-05CH11231; EDCBEE
Product Type:
Dataset
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)
Subject:
36 MATERIALS SCIENCE
Keywords:
crystal structure; KMg3AlSi3O11F; Al-F-K-Mg-O-Si
OSTI Identifier:
1752657
DOI:
https://doi.org/10.17188/1752657

Citation Formats

The Materials Project. Materials Data on KMg3AlSi3O11F by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1752657.
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The Materials Project. Materials Data on KMg3AlSi3O11F by Materials Project. United States. doi:https://doi.org/10.17188/1752657
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The Materials Project. 2020. "Materials Data on KMg3AlSi3O11F by Materials Project". United States. doi:https://doi.org/10.17188/1752657. https://www.osti.gov/servlets/purl/1752657. Pub date:Thu Apr 30 00:00:00 EDT 2020
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@article{osti_1752657,
title = {Materials Data on KMg3AlSi3O11F by Materials Project},
author = {The Materials Project},
abstractNote = {KMg3AlSi3O11F crystallizes in the triclinic P1 space group. The structure is three-dimensional. K is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of K–O bond distances ranging from 2.99–3.37 Å. There are three inequivalent Mg sites. In the first Mg site, Mg is bonded to five O and one F atom to form MgO5F octahedra that share a cornercorner with one AlO4 tetrahedra, corners with three SiO4 tetrahedra, and edges with six MgO5F octahedra. There are a spread of Mg–O bond distances ranging from 2.03–2.16 Å. The Mg–F bond length is 2.02 Å. In the second Mg site, Mg is bonded to five O and one F atom to form MgO5F octahedra that share a cornercorner with one AlO4 tetrahedra, corners with three SiO4 tetrahedra, and edges with six MgO5F octahedra. There are a spread of Mg–O bond distances ranging from 2.05–2.15 Å. The Mg–F bond length is 2.07 Å. In the third Mg site, Mg is bonded to five O and one F atom to form MgO5F octahedra that share a cornercorner with one AlO4 tetrahedra, corners with three SiO4 tetrahedra, and edges with six MgO5F octahedra. There are a spread of Mg–O bond distances ranging from 2.04–2.13 Å. The Mg–F bond length is 2.09 Å. Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three MgO5F octahedra and corners with three equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 61–62°. There are a spread of Al–O bond distances ranging from 1.73–1.78 Å. There are three inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO5F octahedra and corners with three equivalent AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 56–59°. There is three shorter (1.62 Å) and one longer (1.67 Å) Si–O bond length. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO5F octahedra and corners with three equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–58°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO5F octahedra and corners with three equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–58°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. There are eleven inequivalent O sites. In the first O site, O is bonded in a distorted tetrahedral geometry to three Mg and one Al atom. In the second O site, O is bonded in a distorted rectangular see-saw-like geometry to three Mg and one Si atom. In the third O site, O is bonded in a bent 150 degrees geometry to two equivalent K and two Si atoms. In the fourth O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent K and two Si atoms. In the fifth O site, O is bonded in a distorted rectangular see-saw-like geometry to three Mg and one Si atom. In the sixth O site, O is bonded in a distorted rectangular see-saw-like geometry to three Mg and one Si atom. In the seventh O site, O is bonded in a 2-coordinate geometry to two equivalent K, one Al, and one Si atom. In the eighth O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent K, one Al, and one Si atom. In the ninth O site, O is bonded in a 2-coordinate geometry to two equivalent K, one Al, and one Si atom. In the tenth O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent K and two Si atoms. In the eleventh O site, O is bonded in a trigonal non-coplanar geometry to three Mg atoms. F is bonded in a distorted trigonal non-coplanar geometry to three Mg atoms.},
doi = {10.17188/1752657},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {4}
}
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DOI: https://doi.org/10.17188/1752657
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