DOI: 10.17188/1283377
title: Materials Data on Ca6Al6Si3(HO12)2 by Materials Project

description: Ca6Al6Si3(HO12)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Ca sites. In the first Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share a cornercorner with one SiO4 tetrahedra, corners with five AlO4 tetrahedra, and edges with three CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.36–2.56 Å. In the second Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share corners with three AlO4 tetrahedra, corners with three SiO4 tetrahedra, and edges with two CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.31–2.55 Å. In the third Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share a cornercorner with one SiO4 tetrahedra, corners with five AlO4 tetrahedra, and edges with two CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.33–2.59 Å. In the fourth Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with two SiO4 tetrahedra, corners with four AlO4 tetrahedra, and edges with two CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.33–2.61 Å. In the fifth Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with three AlO4 tetrahedra, corners with three SiO4 tetrahedra, and edges with two CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.34–2.62 Å. In the sixth Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with two SiO4 tetrahedra, corners with four AlO4 tetrahedra, and edges with two CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.34–2.64 Å. In the seventh Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with two SiO4 tetrahedra, corners with four AlO4 tetrahedra, and edges with two CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.29–2.60 Å. In the eighth Ca site, Ca is bonded in a 6-coordinate geometry to one H and six O atoms. The Ca–H bond length is 2.61 Å. There are a spread of Ca–O bond distances ranging from 2.25–2.52 Å. In the ninth Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share corners with three AlO4 tetrahedra, corners with three SiO4 tetrahedra, and edges with three CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.30–2.54 Å. In the tenth 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 2.26–2.50 Å. In the eleventh Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share corners with two SiO4 tetrahedra, corners with four AlO4 tetrahedra, and edges with three CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.32–2.53 Å. In the twelfth Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share a cornercorner with one SiO4 tetrahedra, corners with five AlO4 tetrahedra, and edges with three CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.32–2.59 Å. There are twelve inequivalent Al sites. In the first Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with four CaO6 octahedra, corners with two AlO4 tetrahedra, and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 62–69°. There are a spread of Al–O bond distances ranging from 1.75–1.81 Å. In the second Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with four CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 63–70°. There are a spread of Al–O bond distances ranging from 1.75–1.81 Å. In the third Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three CaO6 octahedra, corners with two AlO4 tetrahedra, and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 65–67°. There are a spread of Al–O bond distances ranging from 1.73–1.81 Å. In the fourth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three CaO6 octahedra, corners with two AlO4 tetrahedra, and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 66–69°. There is two shorter (1.75 Å) and two longer (1.80 Å) Al–O bond length. In the fifth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three CaO6 octahedra and corners with four AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 63–67°. There is one shorter (1.76 Å) and three longer (1.77 Å) Al–O bond length. In the sixth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three CaO6 octahedra, corners with two AlO4 tetrahedra, and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 64–73°. There are a spread of Al–O bond distances ranging from 1.74–1.80 Å. In the seventh Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 64–65°. There are a spread of Al–O bond distances ranging from 1.74–1.81 Å. In the eighth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three CaO6 octahedra, a cornercorner with one AlO4 tetrahedra, and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 65–74°. There are a spread of Al–O bond distances ranging from 1.74–1.80 Å. In the ninth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 63–67°. There are a spread of Al–O bond distances ranging from 1.75–1.80 Å. In the tenth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with three CaO6 octahedra, corners with two AlO4 tetrahedra, and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 66–72°. There are a spread of Al–O bond distances ranging from 1.74–1.81 Å. In the eleventh Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with four CaO6 octahedra, a cornercorner with one AlO4 tetrahedra, and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 67–74°. There are a spread of Al–O bond distances ranging from 1.73–1.80 Å. In the twelfth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with four CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 66–69°. There are a spread of Al–O bond distances ranging from 1.74–1.81 Å. There are six inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four CaO6 octahedra and corners with four AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 63–65°. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 66–71°. There are a spread of Si–O bond distances ranging from 1.63–1.69 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 63–68°. There are a spread of Si–O bond distances ranging from 1.63–1.69 Å. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 66–70°. There are a spread of Si–O bond distances ranging from 1.63–1.69 Å. In the fifth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four CaO6 octahedra and corners with four AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 63–66°. There is one shorter (1.64 Å) and three longer (1.65 Å) Si–O bond length. In the sixth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 63–68°. There are a spread of Si–O bond distances ranging from 1.63–1.69 Å. There are four 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 0.97 Å. In the second H site, H is bonded in a single-bond geometry to one Ca and one O atom. The H–O bond length is 0.97 Å. In the third H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.97 Å. In the fourth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.97 Å. There are forty-eight inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Al, and one Si atom. In the second O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Al, and one Si atom. In the third O site, O is bonded in a trigonal non-coplanar geometry to three Ca atoms. In the fourth O site, O is bonded in a trigonal non-coplanar geometry to three Ca atoms. In the fifth O site, O is bonded in a 3-coordinate geometry to one Ca, one Al, and one Si atom. In the sixth O site, O is bonded in a trigonal planar geometry to one Ca and two Al atoms. In the seventh O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Al, and one Si atom. In the eighth O site, O is bonded in a trigonal planar geometry to one Ca and two Al atoms. In the ninth O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Al, and one Si atom. In the tenth O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Al, and one Si atom. In the eleventh O site, O is bonded in a distorted single-bond geometry to three Ca and one H atom. In the twelfth O site, O is bonded in a trigonal planar geometry to one Ca and two Al atoms. In the thirteenth O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Al, and one Si atom. In the fourteenth O site, O is bonded in a distorted single-bond geometry to three Ca and one H atom. In the fifteenth O site, O is bonded in a trigonal non-coplanar geometry to three Ca atoms. In the sixteenth O site, O is bonded in a trigonal non-coplanar geometry to three Ca atoms. In the seventeenth O site, O is bonded in a trigonal planar geometry to one Ca and two Al atoms. In the eighteenth O site, O is bonded in a 3-coordinate geometry to one Ca, one Al, and one Si atom. In the nineteenth O site, O is bonded in a 3-coordinate geometry to one Ca and two Si atoms. In the twentieth O site, O is bonded in a trigonal planar geometry to one Ca and two Al atoms. In the twenty-first O site, O is bonded in a trigonal planar geometry to one Ca and two Al atoms. In the twenty-second O site, O is bonded in a trigonal planar geometry to one Ca and two Al atoms. In the twenty-third O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Al, and one Si atom. In the twenty-fourth O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Al, and one Si atom. In the twenty-fifth O site, O is bonded in a distorted single-bo