Citation: Orsi, Angelica; Price, David J.; Kahr, J\"urgen; Pillai, Renjith S.; Sneddon, Scott; Cao, Shuai; Benoit, Virginie; \/Lozi\'nska, Magdalena M.; Cordes, David B.; Slawin, Alexandra M. Z.; Llewellyn, Philip L.; Casely, Ian; Ashbrook, Sharon E.; Maurin, Guillaume; Wright, Paul A. (2017). Porous zinc and cobalt 2-nitroimidazolate frameworks with six-membered ring windows and a layered cobalt 2-nitroimidazolate polymorph. CrystEngComm, 19, pp. 1377-.