Counterions Asymmetric unit 4 Carborane anions 4 Carborane cages 4 Negative ions 4 Positive ions 4 Pyridinium salts 4 Title compounds 4 Ab initio quantum chemistry methods 2 Aromatic compounds 2 Bioinformatics 2 Carboxylation 2 Chemical agent 2 Computer simulation 2 DNA 2 Dimerization 2 Electrode potentials 2 Fluorine compounds 2 Hydratation 2 In-situ 2 Infrared spectroscopy 2 Intermolecular interactions 2 Ion exchange 2 Ionic strength 2 Ions 2 Layer-by-layers 2 Molecular dynamics 2 Molecular species 2 Multilayers 2 Nernst equation 2