NASA Ames PAH IR Spectroscopic Database

Transitions

ν_k [cm^-1]	λ [μm]	int [km/mol]	symm.	f_scale
3077	3.249	39.4	A₁	0.958
3069	3.259	2.15	A₁	0.958
3068	3.259	75.1	B₂	0.958
3058	3.27	11.2	B₂	0.958
3052	3.276	20.6	A₁	0.958
3050	3.278	0.685	A₁	0.958
3048	3.281	4.12	B₂	0.958
3047	3.282	0.407	A₁	0.958
3045	3.284	26.9	B₂	0.958
1617	6.185	4.3	A₁	0.958
1589	6.295	11.3	B₂	0.958
1575	6.349	3.88	A₁	0.958
1561	6.405	5.18	B₂	0.958
1526	6.554	3.56	A₁	0.958
1490	6.713	0.105	B₂	0.958
1441	6.94	2.54	B₂	0.958
1439	6.949	6.12	A₁	0.958
1430	6.994	14.8	A₁	0.958
1425	7.017	3.84	B₂	0.958
1395	7.166	0.523	A₁	0.958
1382	7.235	6.76	B₂	0.958
1348	7.416	4.33	B₂	0.958
1326	7.539	2.51	A₁	0.958
1279	7.818	4.06	B₂	0.958
1261	7.931	1.98	B₂	0.958
1259	7.942	4.24	A₁	0.958
1246	8.027	0.915	A₁	0.958
1211	8.26	4.6	B₂	0.958
1188	8.419	6.22	B₂	0.958
1155	8.655	1.87	B₂	0.958
1149	8.702	0.318	A₁	0.958
1124	8.898	7.71	A₁	0.958
1114	8.976	0.541	B₂	0.958
1078	9.278	3.48	A₁	0.958
1007	9.927	2.54	A₁	0.958
987.3	10.13	0.41	B₁	0.958
978.9	10.22	0	A₂	0.958
974.1	10.27	1.04	B₁	0.958
968.5	10.33	2.25	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	4.91	A₁	0.958
808.8	12.36	0	A₂	0.958
807	12.39	11.5	B₁	0.958
797.8	12.53	7.8	A₁	0.958
757.4	13.2	2.15	B₁	0.958
748.8	13.35	1.08	B₂	0.958
716.7	13.95	36.4	B₁	0.958
681	14.68	0	A₂	0.958
678.5	14.74	2.04	A₁	0.958
602.2	16.61	2.23	B₁	0.958
579	17.27	0.0005	A₁	0.958
565	17.7	0.534	B₂	0.958
519.6	19.24	0	A₂	0.958
506.3	19.75	0.394	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	0.817	A₁	0.958
459.9	21.75	0.331	B₂	0.958
402	24.87	0.502	A₁	0.958
384.8	25.98	0	A₂	0.958
351.1	28.48	0.0926	B₂	0.958
260.2	38.44	2.61	B₁	0.958
244.9	40.83	0	A₂	0.958
209	47.85	4.8	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:

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, 282, 7, 2025 10.3847/1538-4365/ae1c38 — 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
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