Collaborations Università di Bologna – Bologna, Italy Free Jet Microwave Spectroscopy Group Dr. Assimo Maris, Dr. Sonia Melandri Instituto de Química Médica (IQM) del CSIC, Madrid, SpainQQuiralDr. Ibon Alkorta University of Virginia – Charlottesville, United States Pate Group Dr. Brooks H. Pate Università di Bologna – Bologna, Italy Rotational and Computational Spectroscopy Dr. Cristina Puzzarini Max Planck Institute for the Structure and Dynamics of Matter – Hamburg, GermanyStructure and Dynamics of Cold and Controlled Molecules GroupDr. Melanie Schnell Newcastle University – Newcastle upon Tyne, United Kingdom Molecular Spectroscopy and Dynamics GroupDr. Nick Walker University of Alberta – Edmonton, CanadaYunjie Xu´s Group – Laboratory for the Study of Intermolecular Interactions Dr. Yunjie Xu – Dr. Wolfgang Jäger Institute of Physics, Polish Academy of Science – Warsaw, PolandGroup of Milimetre and Submilimetre SpectroscopyDr. Zbigniew Kisiel