1 Correction to: Theor Chem Acc (2017) 136:122 https://doi.org/10.1007/s00214-017-2152-5

In the original publication, Fig. 5 was incorrect. The correct version of Fig. 5 is given for your reading.

Fig. 5
figure 5

Calculated structures for Ir3M clusters (M is Ag, Co, Cu and Rh from top to bottom). The numbers under the structures are the relative total energies (in eV) with respect to those of the lowest energy isomers. The multiplicity of the clusters is consigned in parenthesis. Ag ( ), Ir ( ), Co ( ), Cu ( ), Rh ( )