Materials Data on Be3P2(H2O5)2 by Materials Project
Be3P2(H2O5)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Be2+ sites. In the first Be2+ site, Be2+ is bonded to four O2- atoms to form BeO4 tetrahedra that share corners with two equivalent BeO4 tetrahedra and corners with four equivalent PO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.59–1.68 Å. In the second Be2+ site, Be2+ is bonded to four O2- atoms to form BeO4 tetrahedra that share corners with two equivalent PO4 tetrahedra. There is two shorter (1.61 Å) and two longer (1.67 Å) Be–O bond length. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with five BeO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.53–1.60 Å. There are two 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 1.00 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Be2+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Be2+ and one P5+ atom. In the third O2- site, O2- is bonded in a trigonal non-coplanar geometry to one Be2+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Be2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one P5+ atom.