DOI: 10.17188/1300117
title: Materials Data on Na5Fe2P2(CO7)2 by Materials Project

description: Na5Fe2P2(CO7)2 crystallizes in the triclinic P-1 space group. The structure is two-dimensional and consists of one Na5Fe2P2(CO7)2 sheet oriented in the (0, 0, 1) direction. there are five inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 1-coordinate geometry to one C4+ and three O2- atoms. The Na–C bond length is 1.75 Å. There are a spread of Na–O bond distances ranging from 2.36–2.65 Å. In the second Na1+ site, Na1+ is bonded in a 1-coordinate geometry to one C4+ and three O2- atoms. The Na–C bond length is 1.63 Å. There are a spread of Na–O bond distances ranging from 2.18–2.93 Å. In the third Na1+ site, Na1+ is bonded in a 2-coordinate geometry to one P5+ and three O2- atoms. The Na–P bond length is 2.29 Å. There are a spread of Na–O bond distances ranging from 2.05–2.58 Å. In the fourth Na1+ site, Na1+ is bonded in a 1-coordinate geometry to one P5+ and three O2- atoms. The Na–P bond length is 2.31 Å. There are a spread of Na–O bond distances ranging from 1.98–2.60 Å. In the fifth Na1+ site, Na1+ is bonded in a 2-coordinate geometry to one P5+ and three O2- atoms. The Na–P bond length is 2.20 Å. There are a spread of Na–O bond distances ranging from 2.22–2.53 Å. There are two inequivalent Fe+2.50+ sites. In the first Fe+2.50+ site, Fe+2.50+ is bonded in a distorted single-bond geometry to four O2- atoms. There are a spread of Fe–O bond distances ranging from 1.31–2.28 Å. In the second Fe+2.50+ site, Fe+2.50+ is bonded in a distorted single-bond geometry to four O2- atoms. There are a spread of Fe–O bond distances ranging from 1.22–2.07 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a 1-coordinate geometry to one Na1+ and three O2- atoms. There are a spread of C–O bond distances ranging from 0.78–2.09 Å. In the second C4+ site, C4+ is bonded in a 1-coordinate geometry to one Na1+ and three O2- atoms. There are a spread of C–O bond distances ranging from 0.76–2.13 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a 1-coordinate geometry to two Na1+ and four O2- atoms. There are a spread of P–O bond distances ranging from 1.57–2.09 Å. In the second P5+ site, P5+ is bonded in a 1-coordinate geometry to one Na1+ and four O2- atoms. There are a spread of P–O bond distances ranging from 1.54–2.07 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+ and one C4+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+ and one C4+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two Na1+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Na1+ and one C4+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Fe+2.50+, and one C4+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Fe+2.50+, and one C4+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Fe+2.50+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Fe+2.50+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Fe+2.50+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a bent 120 degrees geometry to one Fe+2.50+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to one Fe+2.50+, one P5+, and one O2- atom. The O–O bond length is 1.50 Å. In the twelfth O2- site, O2- is bonded in a distorted L-shaped geometry to one Fe+2.50+, one P5+, and one O2- atom. The O–O bond length is 1.53 Å. In the thirteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one P5+, and one O2- atom. In the fourteenth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+, one P5+, and one O2- atom.