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Materials Data on Pb(ClO2)2 by Materials Project

Pb(O2Cl)2 crystallizes in the orthorhombic Ccce space group. The structure is two-dimensional and consists of two Pb(O2Cl)2 sheets oriented in the (0, 1, 0) direction. Pb is bonded in a 8-coordinate geometry to eight equivalent O atoms. There are four shorter (2.69 Å) and four longer (2.70 Å) Pb–O bond lengths. O is bonded in a distorted trigonal planar geometry to two equivalent Pb and one Cl atom. The O–Cl bond length is 1.59 Å. Cl is bonded in a water-like geometry to two equivalent O atoms.

36 MATERIALS SCIENCE↗

Materials Data on CuPb3(ClO2)2 by Materials Project

CuPb3(O2Cl)2 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Cu2+ is bonded in a square co-planar geometry to four O2- atoms. All Cu–O bond lengths are 1.86 Å. There are three inequivalent Pb+2.67+ sites. In the first Pb+2.67+ site, Pb+2.67+ is bonded in a 4-coordinate geometry to four equivalent O2- and four Cl1- atoms. There are two shorter (2.31 Å) and two longer (2.33 Å) Pb–O bond lengths. There are a spread of Pb–Cl bond distances ranging from 3.33–3.42 Å. In the second Pb+2.67+ site, Pb+2.67+ is bonded in a 3-coordinate geometry to three O2- and four Cl1- atoms. There are two shorter (2.34 Å) and one longer (2.37 Å) Pb–O bond lengths. There are a spread of Pb–Cl bond distances ranging from 3.08–3.41 Å. In the third Pb+2.67+ site, Pb+2.67+ is bonded in a 3-coordinate geometry to three O2- and four Cl1- atoms. There are one shorter (2.39 Å) and two longer (2.41 Å) Pb–O bond lengths. There are a spread of Pb–Cl bond distances ranging from 3.24–3.35 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to four Pb+2.67+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cu2+, one Pb+2.67+, and one Cl1- atom. The O–Cl bond length is 3.55 Å. In the third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cu2+, one Pb+2.67+, and one Cl1- atom. The O–Cl bond length is 3.51 Å. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 8-coordinate geometry to seven Pb+2.67+ and one O2- atom. In the second Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Pb+2.67+ and one O2- atom.

36 MATERIALS SCIENCE↗

Materials Data on CuH4Pb2(ClO2)2 by Materials Project

Pb2Cu(OH)4Cl2 crystallizes in the tetragonal P4mm space group. The structure is two-dimensional and consists of one hydrochloric acid molecule and one CuPb2H4O4Cl sheet oriented in the (0, 0, 1) direction. In the CuPb2H4O4Cl sheet, Cu2+ is bonded in a 4-coordinate geometry to four equivalent O2- and one Cl1- atom. All Cu–O bond lengths are 2.00 Å. The Cu–Cl bond length is 2.58 Å. Pb2+ is bonded in a 4-coordinate geometry to four equivalent O2- atoms. All Pb–O bond lengths are 2.50 Å. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. O2- is bonded in a 1-coordinate geometry to one Cu2+, two equivalent Pb2+, and one H1+ atom. Cl1- is bonded in a 1-coordinate geometry to one Cu2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CuPb2(ClO2)2 by Materials Project

CuPb2(O2Cl)2 crystallizes in the tetragonal P4mm space group. The structure is two-dimensional and consists of one CuPb2(O2Cl)2 sheet oriented in the (0, 0, 1) direction. Cu2+ is bonded in a 4-coordinate geometry to four equivalent O2- and one Cl1- atom. All Cu–O bond lengths are 1.84 Å. The Cu–Cl bond length is 2.67 Å. Pb4+ is bonded in a 4-coordinate geometry to four equivalent O2- and two equivalent Cl1- atoms. All Pb–O bond lengths are 2.27 Å. Both Pb–Cl bond lengths are 3.14 Å. O2- is bonded in a 3-coordinate geometry to one Cu2+ and two equivalent Pb4+ atoms. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted single-bond geometry to one Cu2+ atom. In the second Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four equivalent Pb4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on TePb3(ClO2)2 by Materials Project

Pb3Te(O2Cl)2 is Hazelwoodite-derived structured and crystallizes in the orthorhombic Amm2 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 four Cl1- atoms. All Pb–O bond lengths are 2.54 Å. There are two shorter (3.31 Å) and two longer (3.38 Å) Pb–Cl bond lengths. In the second Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four equivalent O2- and four Cl1- atoms. All Pb–O bond lengths are 2.48 Å. There are two shorter (3.31 Å) and two longer (3.38 Å) Pb–Cl bond lengths. In the third Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four equivalent O2- and four Cl1- atoms. All Pb–O bond lengths are 2.43 Å. There are two shorter (3.36 Å) and two longer (3.41 Å) Pb–Cl bond lengths. Te4+ is bonded in a distorted trigonal pyramidal geometry to four equivalent O2- atoms. All Te–O bond lengths are 2.03 Å. O2- is bonded to three Pb2+ and one Te4+ atom to form a mixture of distorted edge and corner-sharing OTePb3 tetrahedra. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted hexagonal planar geometry to six Pb2+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted hexagonal planar geometry to six Pb2+ atoms.

36 MATERIALS SCIENCE↗