An intermediate-sized atomically precise metalloid silver nanocluster [Ag₇₁(SR)₃₁(Dppm)](SbF₆)₂ (Dppm = bis (diphenylphosphino)methane, SR = S-^tBu) is reported, which comprises one building block Ag₆₄, six SR₅ pentagons, one sole SR ligand, a DppmAg₂ handle, and an Ag₅ lid. Structurally, a decahedron Ag₂₃ kernel is observed in the metalloid silver nanocluster. Moreover, the Ag₆₄ unit provides insights into the growth of large clusters such as Ag₁₃₆(SR)₆₄Cl₃ and Ag₁₄₁(SR)₄₀Br₁₂ via assembly. The observed decahedron Ag₂₃ provides a deeper understanding on Marks decahedron in larger nanoclusters, and the [Ag₇₁(S-^tBu)₃₁(Dppm)](SbF₆)₂ uses Ag₆₄ as a building block to predict the structure of larger metalloid nanoclusters.

中文翻译：

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[Ag71(S-tBu)31(Dppm)](SbF6)2：一种中等大小的准金属银纳米团簇，包含一个 Ag64 结构单元

据报道，一种中等大小的原子级精确准金属银纳米团簇 [Ag ₇₁ (SR) ₃₁ (Dppm)](SbF ₆ ) ₂ (Dppm = 双 (二苯基膦) 甲烷，SR = S- ^t Bu)，其包含一个积木 Ag ₆₄、六个SR ₅五边形、一个唯一的SR配体、一个DppmAg ₂手柄和一个Ag ₅盖子。在结构上，在准金属银纳米团簇中观察到十面体 Ag ₂₃核。此外，Ag ₆₄单元提供了对诸如 Ag ₁₃₆ (SR) ₆₄ Cl ₃和 Ag等大型团簇生长的洞察₁₄₁ (SR) ₄₀ Br ₁₂ 通过组装。观察到的十面体 Ag ₂₃提供了对较大纳米团簇中 Marks 十面体的更深入理解，[Ag ₇₁ (S- ^t Bu) ₃₁ (Dppm)](SbF ₆ ) ₂使用 Ag ₆₄作为构建块来预测较大纳米团簇的结构。类金属纳米团簇。