Citation: L\'opez-Cabrelles, Javier; Romero, Jorge; Abell\'an, Gonzalo; Gim\'enez-Marqu\'es, M\'onica; Palomino, Miguel; Valencia, Susana; Rey, Fernando; M\'inguez Espallargas, Guillermo (2019). Solvent-Free Synthesis of ZIFs: A Route toward the Elusive Fe(II) Analogue of ZIF-8.. Journal of the American Chemical Society, 141, pp. 7173-7180.