4,5-dihydropyrene : C16H12 - Gas - Experimental


Species

Name 4,5-dihydropyrene
Formula C16H12
Structure
Phase Gas
Conformer
1.0

Experiment

Category Experimental
Instruments ESPOIRS
Temperature range (K) 373-623
Spectral range (cm-1) 8000-350

Analysis

cosmicPAHmfit
2024-07-26
K. Demyk (karine.demyk@cnrs.fr)
IRAP, Toulouse, France
K. Demyk (IRAP)
L. de Bentzmann (IRAP)
Published: Anyone can see these data.

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473 K

Available bands for this dataset.
Click on a band number to get more details.

Band: 840

Band: 3030

Position

Band range Lorentzian Intensity Selected Fit range Origin Anharmonicity factors
μm cm⁻¹ Gaussian At 473 K Components K Y(0) c1 c2 c3
ratio # νpeak 473 K (cm⁻¹) cm⁻¹ 10² cm⁻¹.T⁻¹ 10⁴ cm⁻¹.T⁻² 10⁶ cm⁻¹.T⁻³
11.9 840
0.0 0.0 1 3052 523 ; 623 3063.13 -2.28
0.0 0.0 1 3052 423 ; 523 3066.49 -2.91

FWHM

Band range Lorentzian Intensity Selected Fit range Origin Anharmonicity factors
μm cm⁻¹ Gaussian At 473 K Components K Y(0) c1 c2 c3
ratio # νpeak 473 K (cm⁻¹) cm⁻¹ 10² cm⁻¹.T⁻¹ 10⁴ cm⁻¹.T⁻² 10⁶ cm⁻¹.T⁻³
11.9 840
0.0 0.0 1 3052 523 ; 623 16.1 1.69
0.0 0.0 1 3052 423 ; 523 25.53 -0.09

Intensity

Components Intensity (cm⁻¹)
νpeak 473 K (cm⁻¹) 423.0 K 473.0 K 523.0 K 573.0 K 623.0 K
3052.8 0.0 0.0 0.0 0.0 0.0
18.7 2946.39 2946.62 2950.62 2952.62 2954.62
0.0 19.68 20.79 30.79 35.79 40.79
0.0 0.0 0.0 0.0 0.0 0.0
0.1 0.0 0.0 0.0 0.0 0.0
0.0 0.19 0.41 0.5 0.32 0.17
3086.9 0.0 0.0 0.0 0.0 0.0
46.4 3008.1 3008.1 3006.2 3009.27 3009.81
Total intensity 5974.37 5975.92 5988.11 5998.0 6005.39

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Analysis

Anharmonicity Tables