%0 Journal Article %@ 0021-9606 %A Myshakin, EM %A Jordan, KD %A Robertson, WH %A Weddle, GH %A Johnson, MA %D 2003 %F pittir:17997 %J Journal of Chemical Physics %N 11 %P 4945 - 4953 %T Dominant structural motifs of NO-·(H2O)n complexes: Infrared spectroscopic and ab initio studies %U http://d-scholarship-dev.library.pitt.edu/17997/ %V 118 %X Infrared spectra of the NO-·(H2O)n=1-5 clusters are obtained by argon predissociation spectroscopy. Thus, the spectrum of NO-·H2O revealed a free OH band and two intense red-shifted IHB bands, consistent with two asymmetric isomers with single H-bonded Cs structures. The NO- anion favors the formation of cyclic hydrates in contrast to O2-, which encourages more open hydration motifs.