Materials Data on Sr2Pb3 by Materials Project
Sr2Pb3 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Sr is bonded in a 6-coordinate geometry to ten Pb atoms. There are a spread of Sr–Pb bond distances ranging from 3.44–3.99 Å. There are two inequivalent Pb sites. In the first Pb site, Pb is bonded in a 9-coordinate geometry to six equivalent Sr and three Pb atoms. There are one shorter (3.07 Å) and two longer (3.31 Å) Pb–Pb bond lengths. In the second Pb site, Pb is bonded to eight equivalent Sr and four equivalent Pb atoms to form a mixture of face and corner-sharing PbSr8Pb4 cuboctahedra.
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