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Rovibrational spectrum of the Ar-NO complex in 5.3 μm region
72th Meeting - June 19-23, 2017 Champaign-Urbana, Illinois Rovibrational spectrum of the Ar-NO complex in 5.3 μm region Chuanxi Duan (段传喜) Central China Normal University Wuhan, China
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R. P. Orenha et al., J. Chem. Educ. 91, 1064 (2014 )
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Contour plot of the PES of Ar-NO
A’ symmetry with respect to De = cm-1. A” symmetry with respect to De = cm-1. M. H. Alexander, J. Chem. Phys. 111, 7426 (1999)
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Rotationally resolved spectrum of Ar-NO (X2Π, v=2 ←0)
H. Meyer, J. Chem. Phys. 136, (2012)
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Energy levels of Rg-NO: Meyer’s model
ω-splitting P-doubling Int. Rev. Phys. Chem. 20, 219 (2001)
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Our experimental setup
ultipass cell to pump Laser controller IR P Nozzle Valve Reference gas cell NI-DAQ Detector ulse generator Etalon Gas supply Wavemeter Our experimental setup DFB-QCL Astigmatic multi-pass cell
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Segmented Rapid-scan with DFB-QCL
Successively moving pulsed jet ~1.5 ms Reference gas Passive frequency locking Merged jet spectrum 10 × 1.0 ms J. Mol. Spectrosc. 334, 22 (2017)
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The fundamental and overtone bands of Ar-NO
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The v1 band of (NO)2
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Theoretic model Fine Structure Hamiltonian: Basis set:
W. M. Fawzy and J. T. Hougen, J. Mol. Spectrosc. 137, (1989) Fine Structure Hamiltonian: Basis set:
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Preliminary analysis of Ar-NO
(a) Observed spectrum (b) Simulated spectrum with SpecView
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Summary The N-O stretching fundamental band of Ar-NO open-shell complex has been measured using a segmented rapid-scan pulsed jet absorption spectrometer based on DFB-QCLs. Four subbands are identified. The rotational analysis is still on the way. Any suggestions and collaborations are welcome!
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Acknowledgement Wei LUO (left) Yuluan ZHANG (middle)
Zhuang LIU (right) SpecView: Drs. Jinjun Liu and Shenghai Wu
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