Materials Data on Li2B4H4O9 by Materials Project
Li2B4O5(OH)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are eight inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with six BO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.98–2.00 Å. In the second Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.03–2.28 Å. In the third Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.97–2.16 Å. In the fourth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 2.00–2.29 Å. In the fifth Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share corners with six BO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.96–2.06 Å. In the sixth Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.01–2.37 Å. In the seventh Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.98–2.40 Å. In the eighth Li1+ site, Li1+ is bonded to five O2- atoms to form distorted LiO5 square pyramids that share corners with two BO4 tetrahedra. There are a spread of Li–O bond distances ranging from 2.02–2.14 Å. There are sixteen inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.40 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. In the third B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one LiO4 tetrahedra and a cornercorner with one BO4 tetrahedra. There is two shorter (1.47 Å) and two longer (1.50 Å) B–O bond length. In the fourth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and corners with two equivalent LiO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.44–1.52 Å. In the fifth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one LiO5 square pyramid, a cornercorner with one BO4 tetrahedra, and a cornercorner with one LiO4 trigonal pyramid. There are a spread of B–O bond distances ranging from 1.47–1.51 Å. In the sixth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and corners with two equivalent LiO4 trigonal pyramids. There are a spread of B–O bond distances ranging from 1.46–1.51 Å. In the seventh B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and corners with two equivalent LiO4 trigonal pyramids. There are a spread of B–O bond distances ranging from 1.44–1.53 Å. In the eighth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. In the ninth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. In the tenth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one LiO5 square pyramid, a cornercorner with one BO4 tetrahedra, and a cornercorner with one LiO4 trigonal pyramid. There are a spread of B–O bond distances ranging from 1.46–1.51 Å. In the eleventh B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one LiO4 tetrahedra and a cornercorner with one BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.46–1.51 Å. In the twelfth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and corners with two equivalent LiO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.51 Å. In the thirteenth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.37 Å) and two longer (1.39 Å) B–O bond length. In the fourteenth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. In the fifteenth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.39 Å) B–O bond length. In the sixteenth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. There are fifteen 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 0.99 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 0.99 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 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. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the eleventh 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 twelfth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the thirteenth 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 fourteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fifteenth H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. There are thirty-six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one Li1+ and two equivalent H1+ atoms. In the second O2- site, O2- is bonded to two Li1+ and two B3+ atoms to form distorted corner-sharing OLi2B2 trigonal pyramids. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Li1+, one B3+, and one H1+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Li1+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Li1+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+ and two B3+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two B3+ atoms. In the tenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Li1+ and two H1+ atoms. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two B3+ atoms. In the twelfth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two B3+ atoms. In the thirteenth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the fourteenth O2- site, O2- is bonded to two Li1+ and two B3+ atoms to form corner-sharing OLi2B2 tetrahedra. In the fifteenth O2- site, O2- is bonded to two Li1+ and two B3+ atoms to form corner-sharing OLi2B2 tetrahedra. In the sixteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two B3+ atoms. In the seventeenth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the eighteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two B3+ atoms. In the nineteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one H1+ atom. In the twentieth O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one H1+ atom. In the twenty-first O2- site, O2- is bonded to two Li1+ and two H1+ atoms to form distorted corner-sharing OLi2H2 tetrahedra. In the twenty-second O2- site, O2- is bonded in a distorted water-like geometry to two Li1+ and two H1+ atoms. In the twenty-third O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two B3+ atoms. In the twenty-fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two H1+ atoms. In the twenty-fifth O2- site, O2- is bonded to two Li1+ and two B3+ atoms to form distorted corner-sharing OLi2B2 tetrahedra. In the twenty-sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one B3+, and one H1+ atom. In the twenty-seventh O2- site, O2- is bonded in a bent 120 degrees geometry to two B3+ atoms. In the twenty-eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+ and two B3+ atoms. In the twenty-ninth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the thirtieth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two B3+ atoms. In the thirty-first O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two B3+ atoms. In the thirty-second O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two B3+ atoms. In the thirty-third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two B3+ atoms. In the thirty-fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two B3+ atoms. In the thirty-fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two B3+ atoms. In the thirty-sixth O2- site, O2- is bonded in a distorted water-like geometry to one Li1+ and two H1+ atoms.