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. 2020 Jul 3;11:3316. doi: 10.1038/s41467-020-17198-1

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a Total cluster structure of SD/Ag90a incorporating Van der Waals surfaces. Hydrogen atoms are removed for clarity. Color legend: Ag, purple; P, brown; S, yellow; O, red; C, gray. b The ball-and-stick mode of the triply nested polyhedral silver skeleton, viewed down an axis through the front silver 5-gon. The three different shells are individually colored. c The icosahedral Ag₆₀ rhombicosidodecahedron. d The octahedral Ag₂₄ truncated octahedron. e The octahedral Ag₆ octahedron. f The interactions between eight PO₄³⁻ and three different shells. g The detailed coordination of PO₄³⁻ towards different silver polygons in three different shells. All PO₄³⁻ ions are shown as yellow tetrahedra. h Six μ₈-S²⁻ ions intercalate the aperture between Ag₂₄ and Ag₆₀ shells of SD/Ag90a by linking two 4-gons up and down from these shells, respectively.