Materials Data on TePb3(ClO2)2 by Materials Project

Abstract

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.