DOE OSTI2020
V2Pb14O17Cl4 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. V5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of V–O bond distances ranging from 1.73–1.78 Å. There are seven inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.28–2.96 Å. In the second Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and four Cl1- atoms. There are a spread of Pb–O bond distances ranging from 2.40–2.51 Å. There are a spread of Pb–Cl bond distances ranging from 3.42–3.55 Å. In the third Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to four O2- and three Cl1- atoms. There are a spread of Pb–O bond distances ranging from 2.32–2.83 Å. There are a spread of Pb–Cl bond distances ranging from 3.05–3.41 Å. In the fourth Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to three O2- and four Cl1- atoms. There are one shorter (2.25 Å) and two longer (2.37 Å) Pb–O bond lengths. There are a spread of Pb–Cl bond distances ranging from 3.22–3.64 Å. In the fifth Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to three O2- and four Cl1- atoms. There are a spread of Pb–O bond distances ranging from 2.28–2.55 Å. There are a spread of Pb–Cl bond distances ranging from 3.35–3.72 Å. In the sixth Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.30–3.02 Å. In the seventh Pb2+ site, Pb2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Pb–O bond distances ranging from 2.23–3.15 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one V5+ and three Pb2+ atoms. In the second O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of corner and edge-sharing OPb4 tetrahedra. In the third O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of corner and edge-sharing OPb4 tetrahedra. In the fourth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of corner and edge-sharing OPb4 tetrahedra. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one V5+ and two Pb2+ atoms. In the sixth O2- site, O2- is bonded in a single-bond geometry to one V5+ and four Pb2+ atoms. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one V5+ and three Pb2+ atoms. In the eighth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of corner and edge-sharing OPb4 tetrahedra. In the ninth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of corner and edge-sharing OPb4 tetrahedra. In the tenth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted corner and edge-sharing OPb4 tetrahedra. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted body-centered cubic geometry to eight Pb2+ atoms. In the second Cl1- site, Cl1- is bonded in a 2-coordinate geometry to seven Pb2+ atoms.