2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/18148We establish the empirical correlation between Tc and crystal chemical parameters in diborides. Our results suggest that Tc of diborides can be higher 77K.8 pages, 2 figures, 1 table, minor corrections, published in J. Superconductivity,14(6),693,(2001)SuperconductivityMaterials ScienceCrystal Chemical Estimation of Possible Exceeding of Tc of 77 K in Diboridestext