NASA Ames PAH IR Spectroscopic Database

Transitions

Frequency [wavenumbers]	Wavelength [microns]	Integrated cross-section [km/mol]	Symmetry	Scaling factor
3077	3.249	39.42	A₁	0.958
3069	3.259	2.147	A₁	0.958
3068	3.259	75.08	B₂	0.958
3058	3.27	11.22	B₂	0.958
3052	3.276	20.59	A₁	0.958
3050	3.278	0.6851	A₁	0.958
3048	3.281	4.119	B₂	0.958
3047	3.282	0.4075	A₁	0.958
3045	3.284	26.94	B₂	0.958
1617	6.185	4.295	A₁	0.958
1589	6.295	11.35	B₂	0.958
1575	6.349	3.883	A₁	0.958
1561	6.405	5.176	B₂	0.958
1526	6.554	3.561	A₁	0.958
1490	6.713	0.1053	B₂	0.958
1441	6.94	2.54	B₂	0.958
1439	6.949	6.118	A₁	0.958
1430	6.994	14.76	A₁	0.958
1425	7.017	3.838	B₂	0.958
1395	7.166	0.5231	A₁	0.958
1382	7.235	6.762	B₂	0.958
1348	7.416	4.325	B₂	0.958
1326	7.539	2.513	A₁	0.958
1279	7.818	4.061	B₂	0.958
1261	7.931	1.979	B₂	0.958
1259	7.942	4.239	A₁	0.958
1246	8.027	0.9148	A₁	0.958
1211	8.26	4.602	B₂	0.958
1188	8.419	6.22	B₂	0.958
1155	8.655	1.866	B₂	0.958
1149	8.702	0.3184	A₁	0.958
1124	8.898	7.711	A₁	0.958
1114	8.976	0.541	B₂	0.958
1078	9.278	3.483	A₁	0.958
1007	9.927	2.536	A₁	0.958
987.3	10.13	0.4096	B₁	0.958
978.9	10.22	0	A₂	0.958
974.1	10.27	1.036	B₁	0.958
968.5	10.33	2.253	B₂	0.958
935.4	10.69	0	A₂	0.958
904.9	11.05	41.4	B₁	0.958
904.2	11.06	0	A₂	0.958
839.6	11.91	51.1	B₁	0.958
819.8	12.2	4.912	A₁	0.958
808.8	12.36	0	A₂	0.958
807	12.39	11.46	B₁	0.958
797.8	12.53	7.802	A₁	0.958
757.4	13.2	2.151	B₁	0.958
748.8	13.35	1.082	B₂	0.958
716.7	13.95	36.37	B₁	0.958
681	14.68	0	A₂	0.958
678.5	14.74	2.037	A₁	0.958
602.2	16.61	2.232	B₁	0.958
579	17.27	0.0005	A₁	0.958
565	17.7	0.5336	B₂	0.958
519.6	19.24	0	A₂	0.958
506.3	19.75	0.3935	B₁	0.958
501.7	19.93	0.0243	B₂	0.958
501.5	19.94	0.0975	B₁	0.958
496.8	20.13	0.8165	A₁	0.958
459.9	21.75	0.331	B₂	0.958
402	24.87	0.5025	A₁	0.958
384.8	25.98	0	A₂	0.958
351.1	28.48	0.0926	B₂	0.958
260.2	38.44	2.615	B₁	0.958
244.9	40.83	0	A₂	0.958
209	47.85	4.802	B₁	0.958
154	64.92	0	A₂	0.958
99.45	100.6	0.186	B₁	0.958

Vibrations

Note(s):

2-azapyrene

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