Self-assembly of a novel macrotricyclic Pd(ii) metallocage encapsulating a nitrate ionElectronic supplementary information (ESI) available: Crystallography section; Figs. S1–8: 1H, 13C, H–H and C–H COSY NMR spectra for 1 and 2. See http://www.rsc.org/suppdata/cc/b1/b104853h/
Abstract
Complexation of the ligand 1 with Pd(NO3)2 leads to the self-assembly of a very stable M2L4 type macrotricyclic cage that encapsulates a nitrate ion inside its cavity.