Rotation axis Rotation 12 article 6 2,2' bipyridine 4 2,2'-Dipyridyl 4 Acids 4 Aqua ligands 4 Asymmetric units 4 Atoms 4 Binding energy 4 Binding modes 4 Bipyridine 4 Bose-Einstein condensation 4 Butane 4 Chemical units 4 Contact interaction 4 Dihydrate 4 Dioic acids 4 Donor atoms 4 Energy spectra 4 Gadolinium 4 Gross-Pitaevskii equation 4 Helicities 4 Holmium 4 Hydrates 4 Itaconic acids 4 Lanthanide complexes 4 Ligands 4 Liquefied petroleum gas 4 Mixing 4