DIODE LASER SPECTROSCOPY OF N2--D2O COMPLEX IN THE V2 BEND REGION OF D2O
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Publisher:Ohio State University
The rovibrational spectrum of N2--D2O complex was measured in the v2 bend region of D2O using a rapid-scan diode laser spectrometer to probe a pulsed supersonic slit jet. Three subbands, namely Ka = 1--0, 0--0, and 0--1, were recorded. All the transitions in the spectrum are doubled, due to D2O tunneling within the complex. The spectrum was analyzed in terms of a standard asymmetric rotor Hamiltonian, yielding band origins, rotational and centrifugal distortion constants for the upper and lower tunneling levels. The band origin of N2--D2O is slightly blue-shfited from the monomer, indicating that the intermolecular bond becomes weaker upon vibrational exciation of the v2 bend mode of D2O. The tunneling dynamics within the complex will be discussed.
Author Institution: College of Physical Science and Technology, Central China Normal University, Wuhan 430079, China
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