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Materials Data on LaHO by Materials Project

LaHO is Fluorite-derived structured and crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. there are three inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a body-centered cubic geometry to four equivalent H1- and four equivalent O2- atoms. All La–H bond lengths are 2.50 Å. All La–O bond lengths are 2.45 Å. In the second La3+ site, La3+ is bonded in a distorted body-centered cubic geometry to four equivalent H1- and four equivalent O2- atoms. All La–H bond lengths are 2.54 Å. All La–O bond lengths are 2.43 Å. In the third La3+ site, La3+ is bonded in a body-centered cubic geometry to four equivalent H1- and four equivalent O2- atoms. All La–H bond lengths are 2.58 Å. All La–O bond lengths are 2.41 Å. H1- is bonded to four La3+ atoms to form HLa4 tetrahedra that share corners with eight equivalent HLa4 tetrahedra, corners with eight equivalent OLa4 tetrahedra, edges with two equivalent HLa4 tetrahedra, and edges with four equivalent OLa4 tetrahedra. O2- is bonded to four La3+ atoms to form OLa4 tetrahedra that share corners with eight equivalent HLa4 tetrahedra, corners with eight equivalent OLa4 tetrahedra, edges with two equivalent OLa4 tetrahedra, and edges with four equivalent HLa4 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on La(HO)3 by Materials Project

La(OH)3 crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. La3+ is bonded in a 9-coordinate geometry to nine equivalent O2- atoms. There are three shorter (2.58 Å) and six longer (2.60 Å) La–O bond lengths. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. O2- is bonded in a single-bond geometry to three equivalent La3+ and one H1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on La(HO)3 by Materials Project

La(OH)3 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.57–2.64 Å. In the second La3+ site, La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.56–2.68 Å. There are six inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on La(HO)3 by Materials Project

La(OH)3 crystallizes in the hexagonal P6_3 space group. The structure is three-dimensional. La3+ is bonded in a 9-coordinate geometry to nine equivalent O2- atoms. There are a spread of La–O bond distances ranging from 2.53–2.68 Å. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. O2- is bonded in a single-bond geometry to three equivalent La3+ and one H1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on La(HO)3 by Materials Project

La(OH)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.56–2.64 Å. In the second La3+ site, La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.54–2.65 Å. There are six inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to three La3+ and one H1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LaHO2 by Materials Project

LaOOH crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. La3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.62 Å. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent La3+ atoms to form a mixture of edge and corner-sharing OLa4 tetrahedra. In the second O2- site, O2- is bonded in a single-bond geometry to three equivalent La3+ and one H1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on La(HO)3 by Materials Project

La(OH)3 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one La(OH)3 sheet oriented in the (1, 0, 0) direction. La3+ is bonded to six O2- atoms to form distorted edge-sharing LaO6 octahedra. There are a spread of La–O bond distances ranging from 2.42–2.49 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent La3+ and one H1+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent La3+ and one H1+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent La3+ and one H1+ atom.

36 MATERIALS SCIENCE↗