1. Hargittai, M., Hargittai, I.: The Molecular Geometries of Coordination Compounds in the Vapour Phase. Elsevier, Amsterdam (1977) 342p
2. Dvorak, M.A., Ford, R.S., Suenram, R.D., Lovas, F.J., Leopold, K.R.: van der Waals vs. covalent bonding: microwave characterization of a structurally intermediate case. JACS 114, 108–115 (1992)
3. Poleshchuk, O. Kh., Legon, A.C.: Density functional theory studies of bonding in complexes H3N...XY of ammonia and dihalogen molecules: a comparison with experimental results from rotational spectroscopy. Z. Naturforsch. 57a, 537–543 (2002)
4. Poleshchuk, O. Kh., Yureva, A.G., Fateev, A.V., Brabchadel, V.: Investigation of the electronic structure of SO3 and I2 complexes by density functional theory. Butlerov. Communs. 9, 10–20 (2006)
5. Poleshchuk, O. Kh., Fateev, A.V., Legon, A.C., Frenking, G.: Hyperfine interactions and DFT study of the bonding in complexes of metal halides, interhalogen diatomicsin SO3 with Lewis bases. Trends Phys. Chem. 15, 13–43 (2014)