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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on P3Pb5O12F by Materials Project

Pb5(PO4)3F crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. there are two inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Pb–O bond distances ranging from 2.62–2.99 Å. In the second Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to six O2- and one F1- atom. There are a spread of Pb–O bond distances ranging from 2.50–3.04 Å. The Pb–F bond length is 2.49 Å. P5+ is bonded in a tetrahedral geometry to four 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 distorted single-bond geometry to three Pb2+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one P5+ atom. F1- is bonded in a trigonal planar geometry to three equivalent Pb2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on P3Pb5O12F by Materials Project

Pb5(PO4)3F crystallizes in the hexagonal P6_3 space group. The structure is three-dimensional. there are six inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to six O2- and two equivalent F1- atoms. There are a spread of Pb–O bond distances ranging from 2.42–2.98 Å. There are one shorter (2.77 Å) and one longer (3.16 Å) Pb–F bond lengths. In the second Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to six O2- and two equivalent F1- atoms. There are a spread of Pb–O bond distances ranging from 2.42–2.98 Å. There are one shorter (2.77 Å) and one longer (3.16 Å) Pb–F bond lengths. In the third Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to six O2- and two equivalent F1- atoms. There are a spread of Pb–O bond distances ranging from 2.42–2.98 Å. There are one shorter (2.77 Å) and one longer (3.16 Å) Pb–F bond lengths. In the fourth Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to six O2- and two equivalent F1- atoms. There are a spread of Pb–O bond distances ranging from 2.42–2.98 Å. There are one shorter (2.77 Å) and one longer (3.16 Å) Pb–F bond lengths. In the fifth Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Pb–O bond distances ranging from 2.55–2.89 Å. In the sixth Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Pb–O bond distances ranging from 2.55–2.90 Å. P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one P5+ atom. F1- is bonded in a 6-coordinate geometry to six Pb2+ atoms.

36 MATERIALS SCIENCE↗