NASA Ames PAH IR Spectroscopic Database

Transitions

Frequency [wavenumbers]	Wavelength [microns]	Integrated cross-section [km/mol]	Symmetry	Scaling factor
3117	3.208	5.989	A₁	0.958
3110	3.215	0.0684	A₁	0.958
3110	3.215	5.577	B₂	0.958
3103	3.223	42.98	B₂	0.958
3102	3.223	4.867	A₁	0.958
3094	3.232	5.397	B₂	0.958
3092	3.234	4.378	A₁	0.958
3081	3.246	10.24	B₂	0.958
3080	3.246	2.414	A₁	0.958
3079	3.248	2.839	B₂	0.958
3079	3.248	0.7305	A₁	0.958
3075	3.252	0.3984	B₂	0.958
3075	3.252	0.0298	A₁	0.958
1584	6.315	26.85	A₁	0.958
1580	6.329	145.8	B₂	0.958
1545	6.474	39.69	A₁	0.958
1534	6.517	0.0744	B₂	0.958
1526	6.553	60.27	A₁	0.958
1504	6.647	52.4	A₁	0.958
1498	6.675	514.1	B₂	0.958
1482	6.749	118.7	B₂	0.958
1464	6.832	2.403	A₁	0.958
1436	6.961	1.526	A₁	0.958
1436	6.965	50.39	B₂	0.958
1424	7.022	69.57	B₂	0.958
1409	7.097	17.48	A₁	0.958
1405	7.12	528.3	B₂	0.958
1368	7.311	0.2463	A₁	0.958
1367	7.314	118.1	B₂	0.958
1342	7.449	23.97	A₁	0.958
1331	7.511	861.6	B₂	0.958
1301	7.688	0.3465	A₁	0.958
1300	7.69	0.6171	B₂	0.958
1264	7.911	0.9825	A₁	0.958
1256	7.962	115.4	B₂	0.958
1239	8.072	319.9	B₂	0.958
1237	8.081	4.538	A₁	0.958
1212	8.253	122.4	B₂	0.958
1210	8.266	1.629	A₁	0.958
1191	8.394	704.2	B₂	0.958
1190	8.406	0.8423	A₁	0.958
1179	8.482	0.0255	B₂	0.958
1150	8.693	2.623	A₁	0.958
1116	8.962	42.75	B₂	0.958
1097	9.112	0.402	A₁	0.958
1027	9.739	0.9444	A₁	0.958
1022	9.781	385.9	B₂	0.958
1014	9.867	0.0241	B₁	0.958
1013	9.869	0	A₂	0.958
995.8	10.04	0	A₂	0.958
995.2	10.05	2.245	B₁	0.958
982.6	10.18	2.019	A₁	0.958
977.4	10.23	2126	B₂	0.958
969.7	10.31	4.091	B₁	0.958
968.5	10.33	0	A₂	0.958
955	10.47	267.2	B₂	0.958
917.5	10.9	5.293	B₁	0.958
879.6	11.37	26.14	B₁	0.958
879.1	11.37	0	A₂	0.958
876.7	11.41	316.6	B₂	0.958
854.4	11.7	77.56	B₁	0.958
853.5	11.72	1.516	A₁	0.958
844.1	11.85	0	A₂	0.958
786.9	12.71	5.54	B₁	0.958
783.4	12.77	0	A₂	0.958
774.1	12.92	0.8076	A₁	0.958
771.6	12.96	22.68	B₂	0.958
756.4	13.22	87.48	B₁	0.958
756.2	13.22	0	A₂	0.958
723.2	13.83	4.909	B₁	0.958
689.9	14.5	4.94	A₁	0.958
683	14.64	14.63	B₂	0.958
668.3	14.96	0	A₂	0.958
648.1	15.43	2.248	A₁	0.958
592.9	16.87	19.15	B₂	0.958
572.8	17.46	0.0927	A₁	0.958
539.7	18.53	0	A₂	0.958
530.3	18.86	1.923	B₁	0.958
523.8	19.09	97.35	B₂	0.958
520.2	19.22	1.25	A₁	0.958
500.2	19.99	0	A₂	0.958
499.3	20.03	7.901	B₁	0.958
474.3	21.08	204.5	B₂	0.958
425.1	23.52	0.1631	B₁	0.958
420.2	23.8	9.226	B₁	0.958
402.5	24.84	0	A₂	0.958
401	24.94	0.1057	A₁	0.958
362.3	27.6	458.8	B₂	0.958
298.6	33.49	0.3959	A₁	0.958
297.3	33.64	0	A₂	0.958
269	37.18	9.566	B₁	0.958
202.9	49.29	0	A₂	0.958
182.2	54.89	492.9	B₂	0.958
181.7	55.04	1.347	B₁	0.958
124.1	80.6	0.1799	B₁	0.958
113.8	87.85	0.2176	A₁	0.958
102.7	97.41	0	A₂	0.958
50.64	197.5	1.206	B₁	0.958
40.7	245.7	0	A₂	0.958

Note(s):

Dibenza(a,j)acridine cation

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