NASA Ames PAH IR Spectroscopic Database

Transitions

Frequency [wavenumbers]	Wavelength [microns]	Integrated cross-section [km/mol]	Symmetry	Scaling factor
3064	3.264	6.344	A₁	0.958
3062	3.265	115.5	E₁	0.958
3062	3.265	115.5	E₁	0.958
3061	3.267	0	E₂	0.958
3061	3.267	0	E₂	0.958
3043	3.286	0	E₂	0.958
3043	3.286	0	E₂	0.958
3043	3.287	6.921	E₁	0.958
3043	3.287	6.922	E₁	0.958
3042	3.287	0	A₂	0.958
1608	6.219	0.0024	A₁	0.958
1603	6.237	0	E₂	0.958
1603	6.237	0	E₂	0.958
1599	6.255	1.521	E₁	0.958
1599	6.255	1.52	E₁	0.958
1469	6.808	0	A₂	0.958
1437	6.96	2.881	E₁	0.958
1437	6.96	2.881	E₁	0.958
1436	6.964	0	E₂	0.958
1436	6.964	0	E₂	0.958
1422	7.03	2.151	A₁	0.958
1401	7.14	0	E₂	0.958
1401	7.14	0	E₂	0.958
1399	7.148	2.782	E₁	0.958
1399	7.148	2.781	E₁	0.958
1337	7.478	0	E₂	0.958
1337	7.478	0	E₂	0.958
1304	7.669	9.804	E₁	0.958
1304	7.669	9.805	E₁	0.958
1239	8.07	1.393	A₁	0.958
1220	8.2	0	A₂	0.958
1187	8.428	0.0001	E₁	0.958
1187	8.428	0.0001	E₁	0.958
1165	8.585	0	E₂	0.958
1165	8.585	0	E₂	0.958
1146	8.73	4.37	E₁	0.958
1146	8.73	4.369	E₁	0.958
1138	8.787	0	E₂	0.958
1138	8.787	0	E₂	0.958
1068	9.361	0	E₂	0.958
1068	9.361	0	E₂	0.958
1020	9.806	1.644	A₁	0.958
967.1	10.34	0	E₂	0.958
967.1	10.34	0	E₂	0.958
957.8	10.44	0.8329	E₁	0.958
957.8	10.44	0.8335	E₁	0.958
950.3	10.52	0	A₂	0.958
927.7	10.78	0	A₂	0.958
845.2	11.83	0.1493	E₁	0.958
845.2	11.83	0.1494	E₁	0.958
843.3	11.86	129.9	A₁	0.958
819.9	12.2	6.051	E₁	0.958
819.9	12.2	6.051	E₁	0.958
790.9	12.64	0	E₂	0.958
790.9	12.64	0	E₂	0.958
753.9	13.26	0	E₂	0.958
753.9	13.26	0	E₂	0.958
747.3	13.38	2.996	E₁	0.958
747.3	13.38	2.996	E₁	0.958
659	15.17	17.31	E₁	0.958
659	15.17	17.31	E₁	0.958
645.9	15.48	0	A₂	0.958
634.1	15.77	0	E₂	0.958
634.1	15.77	0	E₂	0.958
600.2	16.66	0	E₂	0.958
600.2	16.66	0	E₂	0.958
584.1	17.12	1.747	A₁	0.958
544	18.38	15.78	A₁	0.958
539.4	18.54	0	E₂	0.958
539.4	18.54	0	E₂	0.958
531.7	18.81	0	A₂	0.958
442.9	22.58	3.425	E₁	0.958
442.9	22.58	3.425	E₁	0.958
433.9	23.04	0	E₂	0.958
433.9	23.04	0	E₂	0.958
401.9	24.88	2.389	E₁	0.958
401.9	24.88	2.389	E₁	0.958
305.6	32.73	0.0897	E₁	0.958
305.6	32.73	0.0897	E₁	0.958
274.2	36.47	0	E₂	0.958
274.2	36.47	0	E₂	0.958
143.7	69.59	5.264	A₁	0.958
138.5	72.22	0	E₂	0.958
138.5	72.22	0	E₂	0.958

Note(s):

Bowl

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

Bauschlicher, Jr., C.W., Ricca, A., Boersma, C., Allamandola, L.J., "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
Boersma, C., Bauschlicher, Jr., C.W., Ricca, A., Mattioda, A.L., Cami, J., Peeters, E., Sánchez de Armas, F., Puerta Saborido, G., Hudgins, D.M., Allamandola, L.J., "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
Ricca, A., Boersma, C., Maragkoudakis, A., Roser, J.E., Shannon, M.J., Allamandola, L.J., Bauschlicher Jr., C.W., "THE NASA AMES PAH IR SPECTROSCOPIC DATABASE: COMPUTATIONAL VERSION 4.00, SOFTWARE TOOLS, WEBSITE, AND DOCUMENTATION", The Astrophysical Journal Supplement Series, XXX, YYY, 2025 10.3847/1538-4365/ae1c38 — BibTeX - RIS