Chem. sci. Chem. sci. [MIII2MII3]n+ trigonal bipyramidal cages based on diamagnetic and paramagnetic metalloligands Sanz Sergio O'Connor Helen M. Martí-Centelles Vicente Comar Priyanka Pitak Mateusz B. Coles Simon J. Lorusso Giulia Palacios Elías Universidad de Zaragoza Evangelisti Marco Universidad de Zaragoza Baldansuren Amga Chilton Nicholas F. Weihe Høgni McInnes Eric J.L. PLusby Paul J. Brechin Euan K. 2017 research-article