Materials Data on SnPO3 by Materials Project
SnPO3 crystallizes in the monoclinic Cc space group. The structure is two-dimensional and consists of two SnPO3 sheets oriented in the (0, 1, 0) direction. Sn2+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Sn–O bond distances ranging from 2.17–2.22 Å. P4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Sn2+ and one P4+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Sn2+ and one P4+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sn2+ and one P4+ atom.