Beyond the Born–Oppenheimer approximation: High-resolution overtone spectroscopy of H2D+ and D2H+
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چکیده
منابع مشابه
Overtone spectroscopy of H2D+ and D2H+ using laser induced reactions.
The method of laser induced reaction is used to obtain high-resolution IR spectra of H2D+ and D2H+ in collision with n-H2 at a nominal temperature of 17 K. For this purpose three cw-laser systems have been coupled to a 22-pole ion trap apparatus, two commercial diode laser systems in the ranges of 6100-6600 cm(-1) and 6760-7300 cm(-1), respectively, and a high-power optical parametric oscillato...
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The lowest-lying 1(01) <-- 0(00) transition of para-H(2)D(+) and 1(11) <-- 0(00) of ortho-D(2)H(+) has been detected by the enhancement of the D/H isotope exchange reaction in collisions with p-H2 upon rotational excitation. These are the first pure rotational spectra of molecular ions by action spectroscopy. For this purpose, a cryogenic multipole ion trap has been combined with narrow-band tu...
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High resolution overtone spectroscopy of the acetylene van der Waals dimer, ((12)C2H2)2.
CW-cavity ring down spectroscopy was used to record in a free jet expansion the spectrum of the absorption band in ((12)C(2)H(2))(2) with origin at 6547.6 cm(-1). It is a perpendicular band and corresponds to 2CH excitation in the hat unit of the T-shaped dimer. Calibration (better than ±1 × 10(-3) cm(-1) accuracy) and ring-down time (130 μs) were improved compared to a previous contribution (D...
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ژورنال
عنوان ژورنال: The Journal of Chemical Physics
سال: 2002
ISSN: 0021-9606,1089-7690
DOI: 10.1063/1.1458244