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These rules are traditionally expressed using cationic templates with reliable metal\u2010ligand bonding but use of anions is rare on account of weak anion\u2013host contacts. We investigate an approach that relies on host\u2013host interactions to fortify assemblies formed between bisulfate anion dimers, [HSO4\u22c5\u22c5\u22c5HSO4]<jats:sup>2\u2212<\/jats:sup>, and shape\u2010persistent macrocycles called tricarbazole triazolophanes. These macrocycles have significant self\u2010association. In chloroform, they form high fidelity, triple\u2010decker stacks with bisulfate dimers. The strength of host\u2013host interactions allows for preferential formation of the 3:2 tricarb:bisulfate architecture over an ion\u2010paired architecture seen with analogous macrocycles with much weaker self\u2010association. Solvent was expected and found to tune host\u2013host contacts enabling formation of a 2:2 complex and solvent\u2010driven switching between triple\u2010 and double\u2010stacked structures. Crystallography of the 2:2:2 complex supports the idea that significant host\u2013host interactions with tricarb arises from dipole\u2010stabilized \u03c0\u2010stacking. Computational studies were also conducted further highlighting the importance of host\u2013host interactions in stacked complexes of tricarb. These findings unambiguously verify the importance of host\u2013host interactions in the assembly and stability of discrete, responsive anion\u2010templated architectures.<\/jats:p>","DOI":"10.1002\/chem.201800827","type":"journal-article","created":{"date-parts":[[2018,4,17]],"date-time":"2018-04-17T16:11:17Z","timestamp":1523981477000},"page":"9841-9852","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Host\u2013Host Interactions Control Self\u2010assembly and Switching of Triple and Double Decker Stacks of Tricarbazole Macrocycles Co\u2010assembled with anti\u2010Electrostatic Bisulfate Dimers"],"prefix":"10.1002","volume":"24","author":[{"given":"James R.","family":"Dobscha","sequence":"first","affiliation":[{"name":"Department of Chemistry Indiana University  800 E. 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