Materials Data on Na6Ni3B9P6H3O38 by Materials Project
Na6Ni3B9P6H3O38 crystallizes in the hexagonal P6_3 space group. The structure is three-dimensional. there are four inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.46–2.59 Å. In the second Na1+ site, Na1+ is bonded in a 3-coordinate geometry to six O2- atoms. There are three shorter (2.34 Å) and three longer (2.83 Å) Na–O bond lengths. In the third Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.35–2.70 Å. In the fourth Na1+ site, Na1+ is bonded to four O2- atoms to form distorted NaO4 tetrahedra that share corners with six BO4 tetrahedra. There are one shorter (2.45 Å) and three longer (2.80 Å) Na–O bond lengths. Ni+3.33+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with two BO4 tetrahedra and corners with four PO4 tetrahedra. There are a spread of Ni–O bond distances ranging from 2.02–2.28 Å. There are three inequivalent B3+ sites. In the first B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one NiO6 octahedra, a cornercorner with one NaO4 tetrahedra, a cornercorner with one BO4 tetrahedra, and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 61°. There are a spread of B–O bond distances ranging from 1.44–1.51 Å. In the second B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one NiO6 octahedra, a cornercorner with one NaO4 tetrahedra, a cornercorner with one BO4 tetrahedra, and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 63°. There are a spread of B–O bond distances ranging from 1.44–1.53 Å. In the third 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 two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent NiO6 octahedra and corners with two BO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–54°. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent NiO6 octahedra and corners with two BO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–53°. There are a spread of P–O bond distances ranging from 1.52–1.58 Å. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Na1+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one P5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one B3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one B3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one B3+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ni+3.33+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ni+3.33+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+, one Ni+3.33+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Ni+3.33+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Na1+ and two B3+ atoms. In the eleventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Na1+, one Ni+3.33+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Ni+3.33+, and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted water-like geometry to two Na1+, one B3+, and one H1+ atom. In the fourteenth O2- site, O2- is bonded in a single-bond geometry to one Na1+ atom.