NASA Ames PAH IR Spectroscopic Database

You need a browser with JavaScript support in order to view the molecule in 3D

C₂₀H₁₂⁺

uid	390

Transitions — Left-clk & drag: Zoom; Right-clk: reset

This species has a counterpart in the theoretical library

Transitions

Frequency [wavenumbers]	Wavelength [microns]	Integrated cross-section [km/mol]
1593	6.276	30.7
1586	6.303	10.23
1571	6.365	27.69
1561	6.407	14.45
1540	6.494	34.31
1456	6.869	6.622
1450	6.898	66.22
1401	7.137	264.9
1381	7.242	13.24
1372	7.287	26.49
1361	7.346	18.66
1352	7.395	108.4
1315	7.606	43.95
1305	7.66	39.73
1283	7.795	47.56
1268	7.888	14.45
1236	8.089	22.27
1185	8.442	28.9
1174	8.52	28.9
1143	8.752	8.428
1113	8.983	23.48
1100	9.087	90.3
935.2	10.69	9.632
907.7	11.02	10.23
836.2	11.96	6.622
825.8	12.11	10.84
788.8	12.68	21.07
751.2	13.31	23.48
742.6	13.47	46.35
627	15.95	10.23

Note(s):

The reported total integrated absorption cross-section for the CH_str band located around 3000 cm^-1 (3.3 μm) was established by disregarding any substructure seen in the band and simply integrating the entire feature, including any close-by bands.
Benzo[a]fluoranthene

You are kindly asked to consider the following references for citation when using the database:

C.W. Bauschlicher, Jr., A. Ricca, C. Boersma, L.J. Allamandola, "THE NASA AMES PAH IR SPECTROSCOPIC DATABASE: COMPUTATIONAL VERSION 3.00 WITH UPDATED CONTENT AND THE INTRODUCTION OF MULTIPLE SCALING FACTORS", The Astrophysical Journal Supplement Series, 234, 32, 2018 10.3847/1538-4365/aaa019 — BibTeX - RIS
C. Boersma, C.W. Bauschlicher, Jr., A. Ricca, A.L. Mattioda, J. Cami, E. Peeters, F. Sánchez de Armas, G. Puerta Saborido, D.M. Hudgins, and L.J. Allamandola, "THE NASA AMES PAH IR SPECTROSCOPIC DATABASE VERSION 2.00: UPDATED CONTENT, WEBSITE AND ON/OFFLINE TOOLS", The Astrophysical Journal Supplement Series, 211, 8, 2014 10.1088/0067-0049/211/1/8 — BibTeX - RIS
Mattioda, A. L., Hudgins, D. M., Boersma, C., Ricca, A., Peeters, E., Cami, J., Sánchez de Armas, F., Puerta Saborido, G., Bauschlicher, C. W., J., and Allamandola, L. J. "THE NASA AMES PAH IR SPECTROSCOPIC DATABASE: THE LABORATORY SPECTRA", The Astrophysical Journal Supplement Series, 251, 22, 2020 10.3847/1538-4365/abc2c8 — BibTeX - RIS