Citation: Matos, Cati\'ucia R M O; S Junior, Henrique C; D'Amato, Dayenny L; de Souza, Ac\'acio S; Pinheiro, S\'ergio; Guedes, Guilherme P.; Ferreira, Glaucio B.; Alves, Odivaldo C.; de Almeida, Filipe B.; Garcia, Fl\'avio; Ronconi, C\'elia M (2020). Spin-frustration with two quasi-degenerated spin states of a copper(II) heptanuclear complex obtained from an amino acid ligand.. Dalton transactions (Cambridge, England : 2003), 49, pp. 16359-16367.