NEW MEMBERS OF THE POLYNUCLEAR MANGANESE FAMILY: MN II 2 MN III 2 SINGLE-MOLECULE MAGNETS AND MN II 3 MN III 8 ANTIFERROMAGNETIC COMPLEXES. SYNTHESIS AND MAGNETOSTRUCTURAL CORRELATIONS ArticleReis Conceicąõ N., Nesterova O.V., Pombeiro A.J.L., Guedes Da Silva M.F.C., Nesterov D.S., Rajnák C., Boča R.Dalton Transactions. Vol. 49. 2020. P.. 13970-13985