Mimicking oxide surfaces: different types of defects and ligand coordination at well defined positions of a molybdenum oxide based nanocluster

The mixed valence cluster anion of the compound (NH<SUB>4</SUB>)<SUB>32</SUB>[Mo<SUP>VI</SUP><SUB>110</SUB>Mo<SUP>V</SUP><SUB>28</SUB>O<SUB>416</SUB>H<SUB>6</SUB>(H<SUB>2</SUB>O)<SUB>58</SUB>(CH<SUB>3</SUB>CO<SUB>2</SUB>)<SUB>6</SUB>]·xH<SUB>2</SUB>O 1 (x~250), synthesized under one-pot conditions, contains well-defined different types of defects-missing groups compared to the complete parent {Mo<SUB>154</SUB>} type cluster with full D<SUB>7d</SUB> symmetry-and acetate ligand coordination; this proves that the giant-wheel type anion can be considered as an object with a variety of nanoscale structural features ("nanostructured landscape") allowing reactions at a variety of well defined centers