DOI: 10.17188/1719359
title: Materials Data on Ca8Al9Fe3Si12(HO13)4 by Materials Project

description: Ca8Fe3Al9Si12(HO13)4 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are eight inequivalent Ca sites. In the first Ca site, Ca is bonded in a 1-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.26–2.85 Å. In the second Ca site, Ca is bonded in a 1-coordinate geometry to ten O atoms. There are a spread of Ca–O bond distances ranging from 2.27–3.04 Å. In the third Ca site, Ca is bonded in a 1-coordinate geometry to ten O atoms. There are a spread of Ca–O bond distances ranging from 2.26–3.04 Å. In the fourth Ca site, Ca is bonded in a 1-coordinate geometry to ten O atoms. There are a spread of Ca–O bond distances ranging from 2.26–3.04 Å. In the fifth Ca site, Ca is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Ca–O bond distances ranging from 2.30–2.59 Å. In the sixth Ca site, Ca is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Ca–O bond distances ranging from 2.32–2.59 Å. In the seventh Ca site, Ca is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Ca–O bond distances ranging from 2.32–2.59 Å. In the eighth Ca site, Ca is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Ca–O bond distances ranging from 2.33–2.59 Å. There are three inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with five SiO4 tetrahedra and edges with two equivalent AlO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.90–2.27 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with five SiO4 tetrahedra and edges with two equivalent AlO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.90–2.26 Å. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with five SiO4 tetrahedra and edges with two equivalent AlO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.91–2.28 Å. There are five inequivalent Al sites. In the first Al site, Al is bonded to six O atoms to form AlO6 octahedra that share corners with four SiO4 tetrahedra and edges with two equivalent AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.96 Å. In the second Al site, Al is bonded to six O atoms to form AlO6 octahedra that share corners with four SiO4 tetrahedra and edges with two equivalent AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.95 Å. In the third Al site, Al is bonded to six O atoms to form AlO6 octahedra that share corners with four SiO4 tetrahedra, an edgeedge with one FeO6 octahedra, and edges with three AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.99 Å. In the fourth Al site, Al is bonded to six O atoms to form AlO6 octahedra that share corners with four SiO4 tetrahedra, edges with two FeO6 octahedra, and edges with two equivalent AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.86–1.99 Å. In the fifth Al site, Al is bonded to six O atoms to form distorted AlO6 octahedra that share corners with five SiO4 tetrahedra and edges with two equivalent AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.80–2.29 Å. There are twelve inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with six AlO6 octahedra. The corner-sharing octahedra tilt angles range from 47–54°. There are a spread of Si–O bond distances ranging from 1.65–1.68 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent FeO6 octahedra and corners with four AlO6 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Si–O bond distances ranging from 1.64–1.69 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent FeO6 octahedra and corners with four AlO6 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Si–O bond distances ranging from 1.64–1.68 Å. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent FeO6 octahedra and corners with four AlO6 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Si–O bond distances ranging from 1.64–1.69 Å. In the fifth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO6 octahedra and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–57°. There are a spread of Si–O bond distances ranging from 1.59–1.67 Å. In the sixth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent FeO6 octahedra, corners with two equivalent AlO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–56°. There are a spread of Si–O bond distances ranging from 1.59–1.67 Å. In the seventh Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent FeO6 octahedra, corners with two equivalent AlO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–56°. There are a spread of Si–O bond distances ranging from 1.59–1.67 Å. In the eighth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent FeO6 octahedra, corners with two equivalent AlO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–56°. There are a spread of Si–O bond distances ranging from 1.59–1.67 Å. In the ninth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three AlO6 octahedra and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 28–52°. There is one shorter (1.61 Å) and three longer (1.64 Å) Si–O bond length. In the tenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one FeO6 octahedra, corners with two equivalent AlO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 35–54°. There are a spread of Si–O bond distances ranging from 1.61–1.65 Å. In the eleventh Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one FeO6 octahedra, corners with two equivalent AlO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 36–54°. There are a spread of Si–O bond distances ranging from 1.61–1.65 Å. In the twelfth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one FeO6 octahedra, corners with two equivalent AlO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 35–54°. There are a spread of Si–O bond distances ranging from 1.61–1.65 Å. There are three inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the third H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. There are forty inequivalent O sites. In the first O site, O is bonded in a trigonal non-coplanar geometry to three Al atoms. In the second O site, O is bonded in a trigonal non-coplanar geometry to one Fe and two equivalent Al atoms. In the third O site, O is bonded in a trigonal non-coplanar geometry to one Fe and two equivalent Al atoms. In the fourth O site, O is bonded in a trigonal non-coplanar geometry to one Fe and two equivalent Al atoms. In the fifth O site, O is bonded in a 2-coordinate geometry to two Ca, one Al, and one Si atom. In the sixth O site, O is bonded in a 4-coordinate geometry to two Ca, one Fe, and one Si atom. In the seventh O site, O is bonded in a 4-coordinate geometry to two Ca, one Fe, and one Si atom. In the eighth O site, O is bonded in a 4-coordinate geometry to two Ca, one Fe, and one Si atom. In the ninth O site, O is bonded in a 4-coordinate geometry to one Ca, two equivalent Al, and one Si atom. In the tenth O site, O is bonded in a 4-coordinate geometry to one Ca, two equivalent Al, and one Si atom. In the eleventh O site, O is bonded in a 4-coordinate geometry to one Ca, two equivalent Al, and one Si atom. In the twelfth O site, O is bonded in a 4-coordinate geometry to one Ca, two equivalent Al, and one Si atom. In the thirteenth O site, O is bonded in a distorted single-bond geometry to one Ca, two equivalent Al, and one H atom. In the fourteenth O site, O is bonded in a distorted single-bond geometry to one Ca, two equivalent Al, and one H atom. In the fifteenth O site, O is bonded in a distorted single-bond geometry to one Ca, two equivalent Al, and one H atom. The O–H bond length is 0.98 Å. In the sixteenth O site, O is bonded in a distorted single-bond geometry to one Ca, two equivalent Al, and one H atom. In the seventeenth O site, O is bonded in a bent 150 degrees geometry to one Al and one Si atom. In the eighteenth O site, O is bonded in a bent 150 degrees geometry to two equivalent Ca, one Fe, and one Si atom. In the nineteenth O site, O is bonded in a bent 150 degrees geometry to two equivalent Ca, one Fe, and one Si atom. In the twentieth O site, O is bonded in a bent 150 degrees geometry to two equivalent Ca, one Fe, and one Si atom. In the twenty-first O site, O is bonded in a distorted trigonal planar geometry to two Ca and one Si atom. In the twenty-second O site, O is bonded in a distorted trigonal planar geometry to two Ca and one Si atom. In the twenty-third O site, O is bonded in a distorted trigonal planar geometry to two Ca and one Si atom. In the twenty-fourth O site, O is bonded in a distorted trigonal planar geometry to two Ca and one Si atom. In the twenty-fifth O site, O is bonded in a 3-coordinate geometry to two equivalent Al and one Si atom. In the twenty-sixth O site, O is bonded in a 3-coordinate geometry to two equivalent Al and one Si atom. In the twenty-seventh O site, O is bonded in a 3-coordinate geometry to two equivalent Al and one Si atom. In the twenty-eighth O site, O is bonded in a 3-coordinate geometry to two equivalent Al and one Si atom. In the twenty-ninth O site, O is bonded to one Ca, two Al, and one Si atom to form a mixture of distorted corner and edge-sharing OCaAl2Si tetrahedra. In the thirtieth O site, O is bonded to one Ca, one Fe, one Al, and one Si atom to form a mixture of distorted corner and edge-sharing OCaAlFeSi tetrahedra. In the thirty-first O site, O is bonded to one Ca, one Fe, one Al, and one Si atom to form a mixture of distorted corner and edge-sharing OCaAlFeSi tetrahedra. In the thirty-second O site, O is bonded to one Ca, one Fe, one Al, and one Si atom to form distorted OCaAlFeSi tetrahedra that share corners with two OCaAl2Si tetrahedra and an edgeedge with one OCaAlFeSi tetrahedra. In the thirty-third O site, O is bonded in a 4-coordinate geometry to two Ca, one Al, and one Si atom. In the thirty-fourth O site, O is bonded in a 4-coordinate geometry to two Ca, one Al, and one Si atom. In the thirty-fifth O site, O is bonded in a 4-coordinate geometry to two Ca, one Al, and one Si atom. In the thirty-sixth O site, O is bonded in a 4-coordinate geometry to two Ca, one Al, and one Si atom. In the thirty-seventh O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the thirty-eighth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the thirty-ninth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the fortieth O sit