THE HIGH RESOLUTION INFRARED SPECTRUM OF $N_{2}-H^{+}-N_{2}$

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2000

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Ohio State University

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The first high resolution infrared spectrum of the ionic complex N2−H+−N2 and its deuterated derivative is reported. The spectra were obtained in direct absorption in a supersonic planar plasma. The observed rovibrational transitions were assigned to the antisymmetric NN stretching vibration and the spectrum is consistent with a linear centrosymmetric equilibrium structure. The band origin is found at 2352.2364(6)cm−1 and the ground state rotational constant is determined as B′′=0.081809(14)cm−1. The assignment is supported by ab initio calculations. The best estimate for the equilibrium struture is Re(NN)=1.095\AA and re(N−H)=1.277\AA.a

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aD. Verdes, H. Linnartz, J.P. Maier, P. Botschwina, R. Oswald, P. Rosmus, and P.J. Knowles, J. Chem. Phys. 111. 8400(1999).


Author Institution: Department of Physical Chemistry, University of Basel; Department of Physical Chemistry, Institut f""ur Physikalische Chemie; Theoretical Chemistry Group, Universit'e de Marne-la-Vall'ee; School of Chemistry, University of Birmingham

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http://hdl.handle.net/1811/19630

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Abstracts of OSU International Symposium on Molecular Spectroscopy 2000-2009