Becoming attached: Mo6Ii8 (Ii=inner iodine) cluster cores are anchored in apical positions to monocrystalline silicon surfaces. The attachment occurs via pyridine groups, end-capping an alkyl monolayer which is covalently bound to the hydrogen-terminated silicon surface. Octahedral Mo6 clusters: orange; pyridine head groups of the monolayer: green; apical pyridine units: blue.
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