Materials Data on Bi17P5Pb5O43 by Materials Project
Pb5Bi17P5O43 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are four inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Pb–O bond distances ranging from 2.32–3.06 Å. In the second Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Pb–O bond distances ranging from 2.42–3.04 Å. In the third Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Pb–O bond distances ranging from 2.50–2.95 Å. In the fourth Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Pb–O bond distances ranging from 2.34–2.97 Å. There are eleven inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.16–3.12 Å. In the second Bi3+ site, Bi3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are three shorter (2.16 Å) and two longer (2.69 Å) Bi–O bond lengths. In the third Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.16–2.69 Å. In the fourth Bi3+ site, Bi3+ is bonded to five O2- atoms to form distorted BiO5 square pyramids that share corners with four PO4 tetrahedra. There are a spread of Bi–O bond distances ranging from 2.09–2.34 Å. In the fifth Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to three O2- atoms. There are a spread of Bi–O bond distances ranging from 2.10–2.16 Å. In the sixth Bi3+ site, Bi3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Bi–O bond distances ranging from 2.12–2.62 Å. In the seventh Bi3+ site, Bi3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.13–2.79 Å. In the eighth Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.13–2.90 Å. In the ninth Bi3+ site, Bi3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Bi–O bond distances ranging from 2.13–2.56 Å. In the tenth Bi3+ site, Bi3+ is bonded to six O2- atoms to form distorted BiO6 octahedra that share corners with three PO4 tetrahedra. There are a spread of Bi–O bond distances ranging from 2.14–2.88 Å. In the eleventh Bi3+ site, Bi3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.16–2.94 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one BiO5 square pyramid. There are a spread of P–O bond distances ranging from 1.55–1.58 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one BiO6 octahedra and a cornercorner with one BiO5 square pyramid. The corner-sharing octahedral tilt angles are 49°. There are a spread of P–O bond distances ranging from 1.54–1.60 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one BiO6 octahedra. The corner-sharing octahedral tilt angles are 48°. There is two shorter (1.56 Å) and two longer (1.58 Å) P–O bond length. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Pb2+ and two Bi3+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Bi3+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to four Bi3+ atoms. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Bi3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Pb2+ and two Bi3+ atoms. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Pb2+ and three Bi3+ atoms. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two Bi3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one Pb2+, two Bi3+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to two Bi3+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to two Pb2+ and two Bi3+ atoms. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to one Pb2+ and three Bi3+ atoms. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one Pb2+, two Bi3+, and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a single-bond geometry to two Bi3+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Pb2+ and two Bi3+ atoms. In the fifteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Pb2+ and three Bi3+ atoms. In the sixteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Pb2+, two Bi3+, and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a 4-coordinate geometry to four Bi3+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted single-bond geometry to two Bi3+ and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Bi3+ and one P5+ atom. In the twentieth O2- site, O2- is bonded in a 4-coordinate geometry to one Pb2+ and three Bi3+ atoms. In the twenty-first O2- site, O2- is bonded to three Pb2+ and one Bi3+ atom to form distorted edge-sharing OBiPb3 tetrahedra. In the twenty-second O2- site, O2- is bonded in a 4-coordinate geometry to one Pb2+ and three Bi3+ atoms. In the twenty-third O2- site, O2- is bonded in a distorted single-bond geometry to one Pb2+, two Bi3+, and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Pb2+ and two Bi3+ atoms.