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Materials Data on Pb9(Br5O2)2 by Materials Project

Pb9(O2Br5)2 crystallizes in the tetragonal P4/n space group. The structure is three-dimensional. there are three inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a distorted square pyramidal geometry to five Br1- atoms. There are one shorter (2.77 Å) and four longer (3.11 Å) Pb–Br bond lengths. In the second Pb2+ site, Pb2+ is bonded in a 1-coordinate geometry to one O2- and six Br1- atoms. The Pb–O bond length is 2.30 Å. There are a spread of Pb–Br bond distances ranging from 2.91–3.82 Å. In the third Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to three equivalent O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.35–2.40 Å. There are one shorter (3.54 Å) and one longer (3.59 Å) Pb–Br bond lengths. O2- is bonded to four Pb2+ and one Br1- atom to form a mixture of distorted edge, face, and corner-sharing OPb4Br tetrahedra. The O–Br bond length is 3.57 Å. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 1-coordinate geometry to five Pb2+ atoms. In the second Br1- site, Br1- is bonded in a 1-coordinate geometry to one Pb2+ atom. In the third Br1- site, Br1- is bonded in a 12-coordinate geometry to eight Pb2+ and four equivalent O2- atoms. In the fourth Br1- site, Br1- is bonded in a 2-coordinate geometry to five Pb2+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Pb3(BrO)2 by Materials Project

Pb3O2Br2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are three inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four equivalent O2- and three Br1- atoms. There are two shorter (2.39 Å) and two longer (2.49 Å) Pb–O bond lengths. There are two shorter (3.53 Å) and one longer (3.67 Å) Pb–Br bond lengths. In the second Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two equivalent O2- and four Br1- atoms. Both Pb–O bond lengths are 2.26 Å. There are a spread of Pb–Br bond distances ranging from 3.04–3.68 Å. In the third Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to two equivalent O2- and five Br1- atoms. Both Pb–O bond lengths are 2.31 Å. There are a spread of Pb–Br bond distances ranging from 3.16–3.81 Å. O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 1-coordinate geometry to five Pb2+ atoms. In the second Br1- site, Br1- is bonded in a 7-coordinate geometry to seven Pb2+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Pb13(Br3O5)2 by Materials Project

Pb13(O5Br3)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twenty-six inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and three Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.36–2.59 Å. There are a spread of Pb–Br bond distances ranging from 3.51–3.73 Å. In the second Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to three O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.24–2.38 Å. There are one shorter (3.41 Å) and one longer (3.54 Å) Pb–Br bond lengths. In the third Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to two O2- and three Br1- atoms. There are one shorter (2.24 Å) and one longer (2.30 Å) Pb–O bond lengths. There are a spread of Pb–Br bond distances ranging from 3.12–3.51 Å. In the fourth Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two O2- and four Br1- atoms. Both Pb–O bond lengths are 2.29 Å. There are two shorter (3.12 Å) and two longer (3.61 Å) Pb–Br bond lengths. In the fifth Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to three O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.24–2.38 Å. There are one shorter (3.39 Å) and one longer (3.54 Å) Pb–Br bond lengths. In the sixth Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two O2- and one Br1- atom. There are one shorter (2.21 Å) and one longer (2.26 Å) Pb–O bond lengths. The Pb–Br bond length is 3.05 Å. In the seventh Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.38–2.48 Å. There are one shorter (3.64 Å) and one longer (3.67 Å) Pb–Br bond lengths. In the eighth Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to three O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.24–2.38 Å. There are one shorter (3.41 Å) and one longer (3.54 Å) Pb–Br bond lengths. In the ninth Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to four O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.34–2.91 Å. There are one shorter (3.49 Å) and one longer (3.55 Å) Pb–Br bond lengths. In the tenth Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two O2- and one Br1- atom. There are one shorter (2.21 Å) and one longer (2.26 Å) Pb–O bond lengths. The Pb–Br bond length is 3.02 Å. In the eleventh Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two O2- and three Br1- atoms. There are one shorter (2.24 Å) and one longer (2.31 Å) Pb–O bond lengths. There are a spread of Pb–Br bond distances ranging from 3.13–3.51 Å. In the twelfth Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two O2- and three Br1- atoms. There are one shorter (2.24 Å) and one longer (2.31 Å) Pb–O bond lengths. There are a spread of Pb–Br bond distances ranging from 3.12–3.52 Å. In the thirteenth Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and three Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.36–2.58 Å. There are a spread of Pb–Br bond distances ranging from 3.56–3.70 Å. In the fourteenth Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two O2- and one Br1- atom. There are one shorter (2.21 Å) and one longer (2.25 Å) Pb–O bond lengths. The Pb–Br bond length is 3.03 Å. In the fifteenth Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two O2- and one Br1- atom. There are one shorter (2.21 Å) and one longer (2.26 Å) Pb–O bond lengths. The Pb–Br bond length is 3.05 Å. In the sixteenth Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.38–2.48 Å. There are one shorter (3.63 Å) and one longer (3.65 Å) Pb–Br bond lengths. In the seventeenth Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to four O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.33–2.95 Å. There are one shorter (3.47 Å) and one longer (3.52 Å) Pb–Br bond lengths. In the eighteenth Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two O2- and four Br1- atoms. Both Pb–O bond lengths are 2.29 Å. There are a spread of Pb–Br bond distances ranging from 3.11–3.60 Å. In the nineteenth Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and three Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.36–2.58 Å. There are a spread of Pb–Br bond distances ranging from 3.53–3.72 Å. In the twentieth Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to three O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.24–2.38 Å. There are one shorter (3.41 Å) and one longer (3.53 Å) Pb–Br bond lengths. In the twenty-first Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.39–2.47 Å. There are one shorter (3.61 Å) and one longer (3.66 Å) Pb–Br bond lengths. In the twenty-second Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.38–2.48 Å. There are one shorter (3.61 Å) and one longer (3.66 Å) Pb–Br bond lengths. In the twenty-third Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to four O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.34–2.92 Å. There are one shorter (3.50 Å) and one longer (3.56 Å) Pb–Br bond lengths. In the twenty-fourth Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two O2- and three Br1- atoms. There are one shorter (2.24 Å) and one longer (2.31 Å) Pb–O bond lengths. There are a spread of Pb–Br bond distances ranging from 3.12–3.52 Å. In the twenty-fifth Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to four O2- and two Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.34–2.88 Å. There are one shorter (3.49 Å) and one longer (3.55 Å) Pb–Br bond lengths. In the twenty-sixth Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and three Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.36–2.58 Å. There are a spread of Pb–Br bond distances ranging from 3.55–3.71 Å. There are twenty inequivalent O2- sites. In the first O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the second O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the third O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to four Pb2+ atoms. In the fifth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to four Pb2+ atoms. In the seventh O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to four Pb2+ atoms. In the ninth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the tenth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the eleventh O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the twelfth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the thirteenth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to four Pb2+ atoms. In the fifteenth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the sixteenth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the seventeenth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the eighteenth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the nineteenth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the twentieth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. There are twelve inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 1-coordinate geometry to five Pb2+ atoms. In the second Br1- site, Br1- is bonded in a 2-coordinate geometry to two Pb2+ atoms. In the third Br1- site, Br1- is bonded in a 1-coordinate geometry to five Pb2+ atoms. In the fourth Br1- site, Br1- is bonded in a 2-coordinate geometry to two Pb2+ atoms. In the fifth Br1- site, Br1- is bonded in a 1-coordinate geometry to five Pb2+ atoms. In the sixth Br1- site, Br1- is bonded in a 8-coordinate geometry to eight Pb2+ atoms. In the seventh Br1- site, Br1- is bonded in a distorted body-centered cubic geometry to eight Pb2+ atoms. In the eighth Br1- site, Br1- is bonded in a 8-coordinate geometry to eight Pb2+ atoms. In the ninth Br1- site, Br1- is bonded in a 8-coordinate geometry to eight Pb2+ atoms. In the tenth Br1- site, Br1- is bonded in a 1-coordinate geometry to five Pb2+ atoms. In the eleventh Br1- site, Br1- is bonded in a 2-coordinate geometry to two Pb2+ atoms. In the twelfth Br1- site, Br1- is bonded in a 2-coordinate geometry to two Pb2+ atoms.

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Materials Data on Pb(BrO3)2 by Materials Project

Pb(O3Br)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Pb2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Pb–O bond distances ranging from 2.69–3.03 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Pb2+ and one Br5+ atom. The O–Br bond length is 1.69 Å. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Pb2+ and one Br5+ atom. The O–Br bond length is 1.69 Å. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Pb2+ and one Br5+ atom. The O–Br bond length is 1.70 Å. Br5+ is bonded in a trigonal non-coplanar geometry to three O2- atoms.

36 MATERIALS SCIENCE↗

Materials Data on Pb(BrO3)2 by Materials Project

Pb(O3Br)2 crystallizes in the orthorhombic Pbcn space group. The structure is two-dimensional and consists of two Pb(O3Br)2 sheets oriented in the (0, 0, 1) direction. Pb2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Pb–O bond distances ranging from 2.46–2.94 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Pb2+ and one Br5+ atom. The O–Br bond length is 1.75 Å. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Pb2+ and one Br5+ atom. The O–Br bond length is 1.70 Å. In the third O2- site, O2- is bonded in a single-bond geometry to one Br5+ atom. The O–Br bond length is 1.66 Å. Br5+ is bonded in a trigonal non-coplanar geometry to three O2- atoms.

36 MATERIALS SCIENCE↗

Materials Data on Pb3BrO3 by Materials Project

Pb6O6BrBr crystallizes in the orthorhombic Pmc2_1 space group. The structure is two-dimensional and consists of two hydrobromic acid molecules and one Pb6O6Br sheet oriented in the (0, 1, 0) direction. In the Pb6O6Br sheet, there are six inequivalent Pb sites. In the first Pb site, Pb is bonded in a 3-coordinate geometry to three O atoms. There are one shorter (2.16 Å) and two longer (2.40 Å) Pb–O bond lengths. In the second Pb site, Pb is bonded in a 4-coordinate geometry to four O atoms. There are two shorter (2.43 Å) and two longer (2.45 Å) Pb–O bond lengths. In the third Pb site, Pb is bonded in a 3-coordinate geometry to three O atoms. There are one shorter (2.14 Å) and two longer (2.48 Å) Pb–O bond lengths. In the fourth Pb site, Pb is bonded in a 5-coordinate geometry to four O and one Br atom. All Pb–O bond lengths are 2.19 Å. The Pb–Br bond length is 2.76 Å. In the fifth Pb site, Pb is bonded in a 3-coordinate geometry to three O atoms. There are one shorter (2.16 Å) and two longer (2.42 Å) Pb–O bond lengths. In the sixth Pb site, Pb is bonded in a 3-coordinate geometry to three O atoms. There are one shorter (2.19 Å) and two longer (2.35 Å) Pb–O bond lengths. There are four inequivalent O sites. In the first O site, O is bonded to four Pb atoms to form a mixture of corner and edge-sharing OPb4 tetrahedra. In the second O site, O is bonded to four Pb atoms to form a mixture of corner and edge-sharing OPb4 tetrahedra. In the third O site, O is bonded in a bent 150 degrees geometry to two Pb atoms. In the fourth O site, O is bonded in a bent 150 degrees geometry to two Pb atoms. Br is bonded in a single-bond geometry to one Pb atom.

36 MATERIALS SCIENCE↗

Materials Data on PbBr2O7 by Materials Project

PbO7Br2 crystallizes in the monoclinic C2/c space group. The structure is one-dimensional and consists of two PbO7Br2 ribbons oriented in the (1, 0, 1) direction. Pb4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.64–2.73 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Br5+ atom. The O–Br bond length is 1.69 Å. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Pb4+ and one Br5+ atom. The O–Br bond length is 1.69 Å. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Pb4+ and one Br5+ atom. The O–Br bond length is 1.70 Å. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Pb4+ atom. Br5+ is bonded in a trigonal non-coplanar geometry to three O2- atoms.

36 MATERIALS SCIENCE↗