Ring-ring or nitro-ring π,π-interactions in N-(p-nitrobenzyl)iminodiacetic acid (H2NBIDA) and mixed-ligand copper(II) complexes of NBIDA and imidazole (Him), 2,2′-bipyridine (bipy) or 1,10-phenanthroline (phen). Crystal structures of H2NBIDA, [Cu(NBIDA)(Him)(H2O)], [Cu(NBIDA)(bipy)] · 3H2O and [Cu(NBIDA)(phen)]-2H2O

1. Sánchez-Moreno, M.J.
2. Choquesillo-Lazarte, D.
3. González-Pérez, J.M.
4. Carballo, R.
5. Martín-Ramos, J.D.
6. Castiñeiras, A.
7. Niclós-Gutiérrez, J.