DOI: 10.17188/1727153
title: Materials Data on Al79(Fe13Si9)2 by Materials Project

description: Al79(Fe13Si9)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are thirteen inequivalent Fe sites. In the first Fe site, Fe is bonded in a 9-coordinate geometry to six Al and three Si atoms. There are a spread of Fe–Al bond distances ranging from 2.45–2.56 Å. All Fe–Si bond lengths are 2.28 Å. In the second Fe site, Fe is bonded in a 9-coordinate geometry to six Al and three Si atoms. There are a spread of Fe–Al bond distances ranging from 2.46–2.56 Å. There are a spread of Fe–Si bond distances ranging from 2.26–2.29 Å. In the third Fe site, Fe is bonded in a 9-coordinate geometry to six Al and three Si atoms. There are a spread of Fe–Al bond distances ranging from 2.41–2.58 Å. There are a spread of Fe–Si bond distances ranging from 2.28–2.31 Å. In the fourth Fe site, Fe is bonded in a 10-coordinate geometry to nine Al and one Si atom. There are a spread of Fe–Al bond distances ranging from 2.46–2.63 Å. The Fe–Si bond length is 2.34 Å. In the fifth Fe site, Fe is bonded in a 10-coordinate geometry to nine Al and one Si atom. There are a spread of Fe–Al bond distances ranging from 2.45–2.65 Å. The Fe–Si bond length is 2.34 Å. In the sixth Fe site, Fe is bonded in a 10-coordinate geometry to nine Al and one Si atom. There are a spread of Fe–Al bond distances ranging from 2.40–2.64 Å. The Fe–Si bond length is 2.34 Å. In the seventh Fe site, Fe is bonded in a 10-coordinate geometry to nine Al and one Si atom. There are a spread of Fe–Al bond distances ranging from 2.45–2.64 Å. The Fe–Si bond length is 2.34 Å. In the eighth Fe site, Fe is bonded in a 10-coordinate geometry to nine Al and one Si atom. There are a spread of Fe–Al bond distances ranging from 2.45–2.60 Å. The Fe–Si bond length is 2.34 Å. In the ninth Fe site, Fe is bonded in a 10-coordinate geometry to nine Al and one Si atom. There are a spread of Fe–Al bond distances ranging from 2.40–2.66 Å. The Fe–Si bond length is 2.34 Å. In the tenth Fe site, Fe is bonded in a 10-coordinate geometry to nine Al and one Si atom. There are a spread of Fe–Al bond distances ranging from 2.45–2.62 Å. The Fe–Si bond length is 2.34 Å. In the eleventh Fe site, Fe is bonded in a 10-coordinate geometry to nine Al and one Si atom. There are a spread of Fe–Al bond distances ranging from 2.45–2.65 Å. The Fe–Si bond length is 2.34 Å. In the twelfth Fe site, Fe is bonded in a 10-coordinate geometry to nine Al and one Si atom. There are a spread of Fe–Al bond distances ranging from 2.40–2.65 Å. The Fe–Si bond length is 2.35 Å. In the thirteenth Fe site, Fe is bonded in a cuboctahedral geometry to twelve Al atoms. There are a spread of Fe–Al bond distances ranging from 2.63–2.71 Å. There are forty inequivalent Al sites. In the first Al site, Al is bonded in a 3-coordinate geometry to three Fe and six Al atoms. There are a spread of Al–Al bond distances ranging from 2.66–2.75 Å. In the second Al site, Al is bonded in a 3-coordinate geometry to three Fe and six Al atoms. There are three shorter (2.66 Å) and three longer (2.73 Å) Al–Al bond lengths. In the third Al site, Al is bonded in a 3-coordinate geometry to three Fe and six Al atoms. There are a spread of Al–Al bond distances ranging from 2.66–2.76 Å. In the fourth Al site, Al is bonded in a 5-coordinate geometry to three Fe, three Al, and two Si atoms. There are one shorter (2.75 Å) and one longer (2.95 Å) Al–Al bond lengths. There are one shorter (2.62 Å) and one longer (2.82 Å) Al–Si bond lengths. In the fifth Al site, Al is bonded in a 5-coordinate geometry to three Fe, two Al, and two Si atoms. The Al–Al bond length is 2.74 Å. There are one shorter (2.62 Å) and one longer (2.82 Å) Al–Si bond lengths. In the sixth Al site, Al is bonded in a 11-coordinate geometry to three Fe, two Al, and two Si atoms. The Al–Al bond length is 2.74 Å. There are one shorter (2.64 Å) and one longer (2.75 Å) Al–Si bond lengths. In the seventh Al site, Al is bonded in a 11-coordinate geometry to three Fe, three Al, and two Si atoms. There are one shorter (2.73 Å) and one longer (3.08 Å) Al–Al bond lengths. There are one shorter (2.61 Å) and one longer (2.81 Å) Al–Si bond lengths. In the eighth Al site, Al is bonded in a 5-coordinate geometry to three Fe, two Al, and two Si atoms. The Al–Al bond length is 2.75 Å. There are one shorter (2.63 Å) and one longer (2.81 Å) Al–Si bond lengths. In the ninth Al site, Al is bonded in a 11-coordinate geometry to three Fe, two Al, and two Si atoms. The Al–Al bond length is 2.86 Å. There are one shorter (2.66 Å) and one longer (2.74 Å) Al–Si bond lengths. In the tenth Al site, Al is bonded in a 11-coordinate geometry to three Fe, six Al, and two Si atoms. There are a spread of Al–Al bond distances ranging from 2.73–3.02 Å. There are one shorter (2.64 Å) and one longer (2.79 Å) Al–Si bond lengths. In the eleventh Al site, Al is bonded in a 5-coordinate geometry to three Fe, two Al, and two Si atoms. The Al–Al bond length is 2.74 Å. There are one shorter (2.62 Å) and one longer (2.81 Å) Al–Si bond lengths. In the twelfth Al site, Al is bonded in a 5-coordinate geometry to three Fe, three Al, and two Si atoms. The Al–Al bond length is 2.74 Å. There are one shorter (2.63 Å) and one longer (2.79 Å) Al–Si bond lengths. In the thirteenth Al site, Al is bonded in a 4-coordinate geometry to three Fe, four Al, and one Si atom. There are a spread of Al–Al bond distances ranging from 2.61–2.87 Å. The Al–Si bond length is 2.79 Å. In the fourteenth Al site, Al is bonded in a 12-coordinate geometry to three Fe, four Al, and one Si atom. There are a spread of Al–Al bond distances ranging from 2.61–2.87 Å. The Al–Si bond length is 2.78 Å. In the fifteenth Al site, Al is bonded in a 12-coordinate geometry to two Fe, two Al, and one Si atom. There are one shorter (2.79 Å) and one longer (2.83 Å) Al–Al bond lengths. The Al–Si bond length is 2.75 Å. In the sixteenth Al site, Al is bonded in a 4-coordinate geometry to three Fe, three Al, and one Si atom. There are a spread of Al–Al bond distances ranging from 2.61–2.87 Å. The Al–Si bond length is 2.79 Å. In the seventeenth Al site, Al is bonded in a 12-coordinate geometry to three Fe, eight Al, and one Si atom. There are a spread of Al–Al bond distances ranging from 2.61–2.83 Å. The Al–Si bond length is 2.79 Å. In the eighteenth Al site, Al is bonded in a 12-coordinate geometry to two Fe, two Al, and one Si atom. There are one shorter (2.79 Å) and one longer (2.85 Å) Al–Al bond lengths. The Al–Si bond length is 2.73 Å. In the nineteenth Al site, Al is bonded in a 4-coordinate geometry to three Fe, five Al, and one Si atom. There are a spread of Al–Al bond distances ranging from 2.61–2.86 Å. The Al–Si bond length is 2.75 Å. In the twentieth Al site, Al is bonded in a 12-coordinate geometry to three Fe, three Al, and one Si atom. There are a spread of Al–Al bond distances ranging from 2.62–2.85 Å. The Al–Si bond length is 2.78 Å. In the twenty-first Al site, Al is bonded in a 12-coordinate geometry to two Fe, three Al, and one Si atom. There are one shorter (2.80 Å) and one longer (2.85 Å) Al–Al bond lengths. The Al–Si bond length is 2.76 Å. In the twenty-second Al site, Al is bonded in a 11-coordinate geometry to three Fe, five Al, and three Si atoms. There are two shorter (2.67 Å) and one longer (2.94 Å) Al–Al bond lengths. There are one shorter (2.66 Å) and two longer (2.74 Å) Al–Si bond lengths. In the twenty-third Al site, Al is bonded in a 11-coordinate geometry to three Fe, five Al, and three Si atoms. There are a spread of Al–Al bond distances ranging from 2.67–2.93 Å. There are a spread of Al–Si bond distances ranging from 2.65–2.74 Å. In the twenty-fourth Al site, Al is bonded in a 12-coordinate geometry to two Fe, three Al, and three Si atoms. There are a spread of Al–Al bond distances ranging from 2.79–3.08 Å. There are one shorter (2.62 Å) and two longer (2.71 Å) Al–Si bond lengths. In the twenty-fifth Al site, Al is bonded in a 11-coordinate geometry to three Fe, five Al, and three Si atoms. There are one shorter (2.67 Å) and one longer (2.94 Å) Al–Al bond lengths. There are a spread of Al–Si bond distances ranging from 2.64–2.75 Å. In the twenty-sixth Al site, Al is bonded in a 11-coordinate geometry to three Fe, five Al, and three Si atoms. There are one shorter (2.66 Å) and one longer (2.93 Å) Al–Al bond lengths. There are one shorter (2.65 Å) and two longer (2.74 Å) Al–Si bond lengths. In the twenty-seventh Al site, Al is bonded in a 2-coordinate geometry to two Fe, two Al, and three Si atoms. There are one shorter (2.77 Å) and one longer (2.89 Å) Al–Al bond lengths. There are a spread of Al–Si bond distances ranging from 2.62–2.72 Å. In the twenty-eighth Al site, Al is bonded in a 11-coordinate geometry to three Fe, five Al, and three Si atoms. The Al–Al bond length is 2.94 Å. There are a spread of Al–Si bond distances ranging from 2.65–2.75 Å. In the twenty-ninth Al site, Al is bonded in a 11-coordinate geometry to three Fe, five Al, and three Si atoms. The Al–Al bond length is 2.94 Å. There are a spread of Al–Si bond distances ranging from 2.64–2.75 Å. In the thirtieth Al site, Al is bonded in a 12-coordinate geometry to two Fe, two Al, and three Si atoms. There are one shorter (2.80 Å) and one longer (2.88 Å) Al–Al bond lengths. There are a spread of Al–Si bond distances ranging from 2.61–2.72 Å. In the thirty-first Al site, Al is bonded in a cuboctahedral geometry to twelve Al atoms. In the thirty-second Al site, Al is bonded in a 4-coordinate geometry to three Fe, six Al, and one Si atom. There are one shorter (2.65 Å) and one longer (2.66 Å) Al–Al bond lengths. The Al–Si bond length is 2.80 Å. In the thirty-third Al site, Al is bonded in a 4-coordinate geometry to three Fe, six Al, and one Si atom. Both Al–Al bond lengths are 2.66 Å. The Al–Si bond length is 2.81 Å. In the thirty-fourth Al site, Al is bonded in a 3-coordinate geometry to three Fe, seven Al, and one Si atom. There are one shorter (2.64 Å) and one longer (2.65 Å) Al–Al bond lengths. The Al–Si bond length is 2.87 Å. In the thirty-fifth Al site, Al is bonded in a 4-coordinate geometry to three Fe, six Al, and one Si atom. The Al–Al bond length is 2.66 Å. The Al–Si bond length is 2.81 Å. In the thirty-sixth Al site, Al is bonded in a 4-coordinate geometry to three Fe, six Al, and one Si atom. The Al–Al bond length is 2.63 Å. The Al–Si bond length is 2.81 Å. In the thirty-seventh Al site, Al is bonded in a 3-coordinate geometry to three Fe, six Al, and one Si atom. The Al–Al bond length is 2.67 Å. The Al–Si bond length is 2.86 Å. In the thirty-eighth Al site, Al is bonded in a 4-coordinate geometry to three Fe, six Al, and one Si atom. The Al–Si bond length is 2.80 Å. In the thirty-ninth Al site, Al is bonded in a 4-coordinate geometry to three Fe, five Al, and one Si atom. The Al–Si bond length is 2.82 Å. In the fortieth Al site, Al is bonded in a 10-coordinate geometry to three Fe, six Al, and one Si atom. The Al–Si bond length is 2.85 Å. There are nine inequivalent Si sites. In the first Si site, Si is bonded in a 10-coordinate geometry to two Fe, seven Al, and one Si atom. The Si–Si bond length is 2.48 Å. In the second Si site, Si is bonded in a 10-coordinate geometry to two Fe, seven Al, and one Si atom. In the third Si site, Si is bonded in a 10-coordinate geometry to two Fe, seven Al, and one Si atom. The Si–Si bond length is 2.45 Å. In the fourth Si site, Si is bonded in a 10-coordinate geometry to two Fe, seven Al, and one Si atom. The Si–Si bond length is 2.48 Å. In the fifth Si site, Si is bonded in a 10-coordinate geometry to two Fe, seven Al, and one Si atom. In the sixth Si site, Si is bonded in a 10-coordinate geometry to two Fe, seven Al, and one Si atom. The Si–Si bond length is 2.47 Å. In the seventh Si site, Si is bonded in a 10-coordinate geometry to two Fe, seven Al, and one Si atom. The Si–Si bond length is 2.49 Å. In the eighth Si site, Si is bonded in a 10-coordinate geometry to two Fe, seven