1 Department of Chemistry and Kanbar Laboratory for Nanomaterials at the Bar-Ilan University Center for Advanced Materials and Nanotechnology, Bar-Ilan University, Ramat-Gan, 52900, Israel.
Calix(6)arene (C6) and p-sulfonic calix(6)arene (p-C6) formed chemical bonds with Fe(2)O(3) and Fe(3)O(4), respectively. The complexes exhibit different nature of bonding of C6 and p-C6 to the substrates.