NASA Ames PAH IR Spectroscopic Database

Transitions

ν_k [cm^-1]	λ [μm]	int [km/mol]	symm.	f_scale
3103	3.223	19.1	A₁	0.958
3095	3.231	18.2	A₁	0.958
3095	3.231	14.4	B₂	0.958
3085	3.242	18	B₂	0.958
3083	3.244	29.3	A₁	0.958
3073	3.254	77.1	B₂	0.958
3072	3.256	2.22	A₁	0.958
3059	3.269	4.22	B₂	0.958
3058	3.27	21.4	A₁	0.958
3054	3.275	13.4	B₂	0.958
3054	3.275	8.55	A₁	0.958
3048	3.28	3.06	B₂	0.958
3048	3.28	0.848	A₁	0.958
1613	6.201	0.753	A₁	0.958
1601	6.247	1.33	B₂	0.958
1597	6.26	1.32	A₁	0.958
1597	6.262	20.6	B₂	0.958
1566	6.387	9.81	B₂	0.958
1543	6.479	2.75	A₁	0.958
1532	6.526	7.16	B₂	0.958
1513	6.611	5.29	A₁	0.958
1483	6.743	34.7	B₂	0.958
1469	6.809	0.0493	A₁	0.958
1452	6.889	11.2	B₂	0.958
1439	6.948	1.98	A₁	0.958
1417	7.055	5.55	B₂	0.958
1413	7.077	7.11	A₁	0.958
1373	7.284	57	B₂	0.958
1370	7.298	0.0022	A₁	0.958
1329	7.526	0.547	B₂	0.958
1322	7.565	2.82	A₁	0.958
1318	7.585	1.96	B₂	0.958
1300	7.69	2.78	A₁	0.958
1280	7.814	2.2	B₂	0.958
1280	7.815	0.369	A₁	0.958
1243	8.046	1.41	B₂	0.958
1223	8.174	2.2	B₂	0.958
1222	8.181	11.7	A₁	0.958
1218	8.21	0.0693	A₁	0.958
1197	8.354	1.82	B₂	0.958
1182	8.463	0.0015	A₁	0.958
1176	8.501	1.86	B₂	0.958
1152	8.683	1.38	A₁	0.958
1144	8.742	1.66	B₂	0.958
1103	9.067	2.02	B₂	0.958
1099	9.096	3.31	A₁	0.958
1042	9.601	1.29	A₁	0.958
1034	9.669	3.53	B₂	0.958
994.7	10.05	0	B₁	0.958
994.2	10.06	0	A₂	0.958
993.5	10.07	2.74	A₁	0.958
985.5	10.15	0.065	B₁	0.958
985.2	10.15	0	A₂	0.958
956.4	10.46	4.58	B₂	0.958
946.7	10.56	7.73	B₁	0.958
945.2	10.58	0	A₂	0.958
903.8	11.06	13.1	B₁	0.958
883.6	11.32	4.39	B₂	0.958
873.1	11.45	0	A₂	0.958
872.4	11.46	6.97	B₁	0.958
858.2	11.65	0.148	A₁	0.958
848	11.79	77.4	B₁	0.958
834.1	11.99	0	A₂	0.958
793.2	12.61	0	A₂	0.958
790.4	12.65	7.88	B₁	0.958
775	12.9	0.575	A₁	0.958
774.9	12.9	0.457	B₂	0.958
752.6	13.29	79.9	B₁	0.958
751.9	13.3	0	A₂	0.958
723.3	13.83	1.19	B₁	0.958
719.7	13.89	2.55	B₂	0.958
699.7	14.29	1.62	A₁	0.958
678.6	14.74	0	A₂	0.958
654	15.29	0.708	A₁	0.958
600.5	16.65	8.78	B₂	0.958
578.2	17.3	1.92	A₁	0.958
565	17.7	0	A₂	0.958
563.7	17.74	0.947	B₁	0.958
540.8	18.49	3.66	B₂	0.958
524.3	19.07	0	A₂	0.958
522.4	19.14	1.49	A₁	0.958
520.8	19.2	9	B₁	0.958
494.4	20.23	7.63	B₂	0.958
434.9	22.99	2.98	B₁	0.958
429.7	23.27	1.69	B₂	0.958
422.4	23.67	6.43	B₁	0.958
410.2	24.38	0	A₂	0.958
399.2	25.05	0.414	A₁	0.958
312.6	31.99	0	A₂	0.958
300.8	33.25	1.02	A₁	0.958
280.8	35.62	5.24	B₁	0.958
250.5	39.91	0.0803	B₂	0.958
208.6	47.94	0	A₂	0.958
188.3	53.1	1.03	B₁	0.958
130	76.9	0.0341	B₁	0.958
114.5	87.37	0.353	A₁	0.958
108.2	92.43	0	A₂	0.958
54.17	184.6	0.373	B₁	0.958
41.47	241.1	0	A₂	0.958

Vibrations

Note(s):

Dibenza(a,j)acridine

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