RT info:eu-repo/semantics/article T1 Uncovering the hidden landscape of Tris(4-pyridyl) ligands: Topological complexity derived from the bridgehead A1 Waters, Jessica E. A1 Berger, Georg A1 Peel, Andrew J. A1 García Rodríguez, Raúl A1 Bond, Andrew D. A1 Wright, Dominic Simon K1 Coordination networks K1 Redes de coordinación K1 Pnictogens K1 Pnictógeno K1 Tripodal ligands K1 Ligandos tripodales K1 Topology K1 Topología AB Supramolecular main group chemistry is a developing field which parallels the conventional domain of metallo-organic chemistry. Little explored building blocks in this area are main group metal-based ligands which have the appropriate donor symmetry to build desired molecular or extended arrangements. Tris(pyridyl) main group ligands (E(py)3, E=main group metal) are potentially highly versatile building blocks since shifting the N-donor arms from the 2- to the 3-positions and 4-positions provides a very simple way of changing the ligand character from mononuclear/chelating to multidentate/metal-bridging. Here, the coordination behaviour of the first main group metal tris(4-pyridyl) ligands, E(4-py)3 (E=Sb, Bi, Ph−Sn) is explored, as well as their ability to build metal-organic frameworks (MOFs). The complicated topology of these MOFs shows a marked influence on the counter anion and on the ability of the E(4-py)3 ligands to switch coordination mode, depending on the steric and donor character of the bridgehead. This structure-directing influence of the bridgehead provides a potential building strategy for future molecular and MOF design in this area. PB Wiley SN 1521-3765 YR 2021 FD 2021 LK https://uvadoc.uva.es/handle/10324/49359 UL https://uvadoc.uva.es/handle/10324/49359 LA eng NO Chemistry - A European Journal, 2021, vol. 27, n. 47. p. 12036-12040 NO Producción Científica DS UVaDOC RD 18-nov-2024