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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on BaP2(HO)2 by Materials Project

BaP2(HO)2 crystallizes in the orthorhombic Ccce space group. The structure is two-dimensional and consists of two BaP2(HO)2 sheets oriented in the (0, 1, 0) direction. Ba2+ is bonded in a distorted body-centered cubic geometry to eight equivalent O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.07 Å. P1+ is bonded in a distorted single-bond geometry to one H and one O2- atom. The P–H bond length is 1.44 Å. The P–O bond length is 1.66 Å. H is bonded in a single-bond geometry to one P1+ atom. O2- is bonded in a 1-coordinate geometry to four equivalent Ba2+ and one P1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaP2(HO)4 by Materials Project

Ba(H2PO2)2 crystallizes in the orthorhombic Ccce space group. The structure is two-dimensional and consists of two Ba(H2PO2)2 sheets oriented in the (0, 1, 0) direction. Ba2+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.82 Å) and four longer (2.83 Å) Ba–O bond lengths. P1+ is bonded in a distorted tetrahedral geometry to two equivalent H1+ and two equivalent O2- atoms. Both P–H bond lengths are 1.42 Å. Both P–O bond lengths are 1.53 Å. H1+ is bonded in a single-bond geometry to one P1+ atom. O2- is bonded in a distorted single-bond geometry to two equivalent Ba2+ and one P1+ atom.

36 MATERIALS SCIENCE↗