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Title: Materials Data on YAl6Si30(N15O)3 by Materials Project

Abstract

YAl6Si30(N15O)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. Y is bonded in a 7-coordinate geometry to six N and one O atom. There are a spread of Y–N bond distances ranging from 2.33–2.80 Å. The Y–O bond length is 2.75 Å. There are six inequivalent Al sites. In the first Al site, Al is bonded to three N and one O atom to form AlN3O trigonal pyramids that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Al–N bond distances ranging from 1.78–1.86 Å. The Al–O bond length is 1.98 Å. In the second Al site, Al is bonded to four N atoms to form AlN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Al–N bond distances ranging from 1.79–1.92 Å. In the third Al site, Al is bonded to four N atoms to form AlN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Al–N bond distances ranging from 1.84–1.88 Å. In the fourth Al site, Al ismore » bonded to four N atoms to form AlN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Al–N bond distances ranging from 1.81–1.88 Å. In the fifth Al site, Al is bonded to four N atoms to form AlN4 tetrahedra that share corners with eight SiN3O tetrahedra. There are a spread of Al–N bond distances ranging from 1.82–1.87 Å. In the sixth Al site, Al is bonded to four N atoms to form AlN4 tetrahedra that share corners with two AlN4 tetrahedra, corners with five SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There is one shorter (1.83 Å) and three longer (1.84 Å) Al–N bond length. There are thirty inequivalent Si sites. In the first Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.68–1.75 Å. The Si–O bond length is 1.82 Å. In the second Si site, Si is bonded to three N and one O atom to form corner-sharing SiN3O tetrahedra. There is one shorter (1.72 Å) and two longer (1.73 Å) Si–N bond length. The Si–O bond length is 1.83 Å. In the third Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.73 Å. The Si–O bond length is 1.84 Å. In the fourth Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.69–1.74 Å. The Si–O bond length is 1.83 Å. In the fifth Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.69–1.73 Å. The Si–O bond length is 1.85 Å. In the sixth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.78 Å. In the seventh Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.79 Å. In the eighth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra, corners with five SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.69–1.80 Å. In the ninth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN4 tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.71–1.83 Å. In the tenth Si site, Si is bonded to four N atoms to form corner-sharing SiN4 tetrahedra. There is one shorter (1.74 Å) and three longer (1.77 Å) Si–N bond length. In the eleventh Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There is one shorter (1.72 Å) and three longer (1.77 Å) Si–N bond length. In the twelfth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.72–1.78 Å. In the thirteenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.72–1.77 Å. In the fourteenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.79 Å. In the fifteenth Si site, Si is bonded to four N atoms to form corner-sharing SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.76–1.79 Å. In the sixteenth Si site, Si is bonded to four N atoms to form corner-sharing SiN4 tetrahedra. There is one shorter (1.76 Å) and three longer (1.77 Å) Si–N bond length. In the seventeenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.70–1.80 Å. In the eighteenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There is two shorter (1.70 Å) and two longer (1.78 Å) Si–N bond length. In the nineteenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.69–1.79 Å. In the twentieth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.74–1.80 Å. In the twenty-first Si site, Si is bonded to four N atoms to form corner-sharing SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.74–1.79 Å. In the twenty-second Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.86 Å. In the twenty-third Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.66–1.83 Å. In the twenty-fourth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.71–1.79 Å. In the twenty-fifth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.72–1.85 Å. In the twenty-sixth Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.68–1.76 Å. The Si–O bond length is 1.82 Å. In the twenty-seventh Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share corners with two AlN4 tetrahedra, corners with five SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.68–1.79 Å. The Si–O bond length is 1.82 Å. In the twenty-eighth Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN4 tetrahedra. There is one shorter (1.69 Å) and two longer (1.75 Å) Si–N bond length. The Si–O bond length is 1.81 Å. In the twenty-ninth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.70–1.82 Å. In the thirtieth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.71–1.77 Å. There are forty-five inequivalent N sites. In the first N site, N is bonded in a trigonal planar geometry to three Si atoms. In the second N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the third N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the fourth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the fifth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the sixth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the seventh N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the eighth N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the ninth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the tenth N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the eleventh N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the twelfth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the thirteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the fourteenth N site, N is bonded in a trigonal non-coplanar geometry to one Al and two Si atoms. In the fifteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the sixteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the seventeenth N site, N is bonded in a distorted trigonal planar geometry to one Y and three Si atoms. In the eighteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the nineteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twentieth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twenty-first N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the twenty-second N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the twenty-third N site, N is bonded to one Y, two Al, and one Si atom to form distorted NYAl2Si trigonal pyramids that share a cornercorner with one NYSi3 tetrahedra, a cornercorner with one NYSi3 trigonal pyramid, and an edgeedge with one NYAl3 trigonal pyramid. In the twenty-fourth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twenty-fifth N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the twenty-sixth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twenty-seventh N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twenty-eighth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twen« less

Authors:
Publication Date:
Other Number(s):
mp-677140
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; YAl6Si30(N15O)3; Al-N-O-Si-Y
OSTI Identifier:
1283272
DOI:
https://doi.org/10.17188/1283272

Citation Formats

The Materials Project. Materials Data on YAl6Si30(N15O)3 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1283272.
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The Materials Project. Materials Data on YAl6Si30(N15O)3 by Materials Project. United States. doi:https://doi.org/10.17188/1283272
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The Materials Project. 2020. "Materials Data on YAl6Si30(N15O)3 by Materials Project". United States. doi:https://doi.org/10.17188/1283272. https://www.osti.gov/servlets/purl/1283272. Pub date:Fri May 29 00:00:00 EDT 2020
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@article{osti_1283272,
title = {Materials Data on YAl6Si30(N15O)3 by Materials Project},
author = {The Materials Project},
abstractNote = {YAl6Si30(N15O)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. Y is bonded in a 7-coordinate geometry to six N and one O atom. There are a spread of Y–N bond distances ranging from 2.33–2.80 Å. The Y–O bond length is 2.75 Å. There are six inequivalent Al sites. In the first Al site, Al is bonded to three N and one O atom to form AlN3O trigonal pyramids that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Al–N bond distances ranging from 1.78–1.86 Å. The Al–O bond length is 1.98 Å. In the second Al site, Al is bonded to four N atoms to form AlN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Al–N bond distances ranging from 1.79–1.92 Å. In the third Al site, Al is bonded to four N atoms to form AlN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Al–N bond distances ranging from 1.84–1.88 Å. In the fourth Al site, Al is bonded to four N atoms to form AlN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Al–N bond distances ranging from 1.81–1.88 Å. In the fifth Al site, Al is bonded to four N atoms to form AlN4 tetrahedra that share corners with eight SiN3O tetrahedra. There are a spread of Al–N bond distances ranging from 1.82–1.87 Å. In the sixth Al site, Al is bonded to four N atoms to form AlN4 tetrahedra that share corners with two AlN4 tetrahedra, corners with five SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There is one shorter (1.83 Å) and three longer (1.84 Å) Al–N bond length. There are thirty inequivalent Si sites. In the first Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.68–1.75 Å. The Si–O bond length is 1.82 Å. In the second Si site, Si is bonded to three N and one O atom to form corner-sharing SiN3O tetrahedra. There is one shorter (1.72 Å) and two longer (1.73 Å) Si–N bond length. The Si–O bond length is 1.83 Å. In the third Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.73 Å. The Si–O bond length is 1.84 Å. In the fourth Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.69–1.74 Å. The Si–O bond length is 1.83 Å. In the fifth Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.69–1.73 Å. The Si–O bond length is 1.85 Å. In the sixth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.78 Å. In the seventh Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.79 Å. In the eighth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra, corners with five SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.69–1.80 Å. In the ninth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN4 tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.71–1.83 Å. In the tenth Si site, Si is bonded to four N atoms to form corner-sharing SiN4 tetrahedra. There is one shorter (1.74 Å) and three longer (1.77 Å) Si–N bond length. In the eleventh Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There is one shorter (1.72 Å) and three longer (1.77 Å) Si–N bond length. In the twelfth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.72–1.78 Å. In the thirteenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.72–1.77 Å. In the fourteenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.79 Å. In the fifteenth Si site, Si is bonded to four N atoms to form corner-sharing SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.76–1.79 Å. In the sixteenth Si site, Si is bonded to four N atoms to form corner-sharing SiN4 tetrahedra. There is one shorter (1.76 Å) and three longer (1.77 Å) Si–N bond length. In the seventeenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.70–1.80 Å. In the eighteenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There is two shorter (1.70 Å) and two longer (1.78 Å) Si–N bond length. In the nineteenth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.69–1.79 Å. In the twentieth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.74–1.80 Å. In the twenty-first Si site, Si is bonded to four N atoms to form corner-sharing SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.74–1.79 Å. In the twenty-second Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.70–1.86 Å. In the twenty-third Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.66–1.83 Å. In the twenty-fourth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.71–1.79 Å. In the twenty-fifth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share corners with two AlN4 tetrahedra and corners with six SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.72–1.85 Å. In the twenty-sixth Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.68–1.76 Å. The Si–O bond length is 1.82 Å. In the twenty-seventh Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share corners with two AlN4 tetrahedra, corners with five SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.68–1.79 Å. The Si–O bond length is 1.82 Å. In the twenty-eighth Si site, Si is bonded to three N and one O atom to form SiN3O tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN4 tetrahedra. There is one shorter (1.69 Å) and two longer (1.75 Å) Si–N bond length. The Si–O bond length is 1.81 Å. In the twenty-ninth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra, corners with six SiN3O tetrahedra, and a cornercorner with one AlN3O trigonal pyramid. There are a spread of Si–N bond distances ranging from 1.70–1.82 Å. In the thirtieth Si site, Si is bonded to four N atoms to form SiN4 tetrahedra that share a cornercorner with one AlN4 tetrahedra and corners with seven SiN3O tetrahedra. There are a spread of Si–N bond distances ranging from 1.71–1.77 Å. There are forty-five inequivalent N sites. In the first N site, N is bonded in a trigonal planar geometry to three Si atoms. In the second N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the third N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the fourth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the fifth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the sixth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the seventh N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the eighth N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the ninth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the tenth N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the eleventh N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the twelfth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the thirteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the fourteenth N site, N is bonded in a trigonal non-coplanar geometry to one Al and two Si atoms. In the fifteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the sixteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the seventeenth N site, N is bonded in a distorted trigonal planar geometry to one Y and three Si atoms. In the eighteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the nineteenth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twentieth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twenty-first N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the twenty-second N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the twenty-third N site, N is bonded to one Y, two Al, and one Si atom to form distorted NYAl2Si trigonal pyramids that share a cornercorner with one NYSi3 tetrahedra, a cornercorner with one NYSi3 trigonal pyramid, and an edgeedge with one NYAl3 trigonal pyramid. In the twenty-fourth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twenty-fifth N site, N is bonded in a trigonal planar geometry to one Al and two Si atoms. In the twenty-sixth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twenty-seventh N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twenty-eighth N site, N is bonded in a trigonal planar geometry to three Si atoms. In the twen},
doi = {10.17188/1283272},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri May 29 00:00:00 EDT 2020},
month = {Fri May 29 00:00:00 EDT 2020}
}
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DOI: https://doi.org/10.17188/1283272
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