Materials Data on Sr2Pb by Materials Project
Sr2Pb is Cotunnite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Sr sites. In the first Sr site, Sr is bonded in a 5-coordinate geometry to five equivalent Pb atoms. There are a spread of Sr–Pb bond distances ranging from 3.54–4.02 Å. In the second Sr site, Sr is bonded to four equivalent Pb atoms to form a mixture of edge and corner-sharing SrPb4 tetrahedra. There are a spread of Sr–Pb bond distances ranging from 3.38–3.48 Å. Pb is bonded in a 9-coordinate geometry to nine Sr atoms.
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