Fig. 5. Build-up of the (A) Au108,¹⁰⁵ (B) Au70 (ref. 104) and (C) Au₂₂ core from Au70 marked inside the Au₄₄ core from Au108 and Au₄₄ core marked inside the solid state structure of elemental gold.¹¹³ Ph groups are omitted for clarity. Au gold, blue; S yellow; P violet.