2023-08-102023-08-102016MARTINS, Felipe Terra et al. Lower rim dimerization of a calixarene through the encapsulation of sodium ions. CrystEngComm, Cambridge, v. 18, n. 37, p. 6987-6991, 2016. DOI: 10.1039/C6CE01387B. DisponÃvel em: https://pubs.rsc.org/en/content/articlelanding/2016/CE/C6CE01387B. Acesso em: 28 jun. 2023.e- 1466-8033https://pubs.rsc.org/en/content/articlelanding/2016/CE/C6CE01387BHere we report the tail-to-tail dimerization of tetra(carboxymethoxy)calix[4]arene in both solution and solid state phases using ESI-orbitrap UHRMS, 1H-NMR and single-crystal X-ray diffraction techniques. Three sodium ions are encapsulated into the dimeric structure which is also stabilized by hydrogen bonds between carboxyl moieties undergoing partial deprotonation.engAcesso RestritoLower rim dimerization of a calixarene through the encapsulation of sodium ionsArtigo10.1039/C6CE01387B