Structure of molecular complexes in liquid CO2 solutions of water

The calculated anharmonic frequencies and intensities of simultaneous vibrational transitions in CO₂−H₂O and (CO₂)₂−H₂O hydrogen-bonded complexes are compared with known experimental data. Hydrogen-bonded complexes form in liquid CO₂ solutions of water under normal conditions, unlike the gas phase in which the CO₂ and H₂O molecules are coupled by van der Waals bonds. The majority of these complexes are 2∶1 complexes. N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences. Translated fromZhurnal Strukturnoi Khimii, Vol. 36, No. 2, pp. 375–379, March–April, 1995. Translated from E. Taskaeva