NASA Ames PAH IR Spectroscopic Database

Transitions

ν_k [cm^-1]	λ [μm]	int [km/mol]	symm.	f_scale
3559	2.81	44	B₂	0.958
3456	2.894	155	A₁	0.958
3103	3.222	0	A₁	0.958
3103	3.223	9.37	B₂	0.958
3090	3.236	7.78	A₁	0.958
3090	3.236	0.0294	B₂	0.958
3077	3.25	0.153	A₁	0.958
3076	3.251	0.556	B₂	0.958
3071	3.256	0.103	A₁	0.958
3067	3.26	9.42	A₁	0.958
3067	3.261	0.68	B₂	0.958
1670	5.99	270	A₁	0.958
1580	6.328	40.6	A₁	0.958
1558	6.417	1.16	B₂	0.958
1543	6.482	8.71	A₁	0.958
1534	6.52	9.24	B₂	0.958
1507	6.635	8.37	B₂	0.958
1495	6.69	10.8	A₁	0.958
1461	6.846	53.7	A₁	0.958
1451	6.893	23.4	B₂	0.958
1430	6.993	106	A₁	0.958
1411	7.087	8.76	B₂	0.958
1360	7.351	98.4	B₂	0.958
1347	7.421	9.93	A₁	0.958
1334	7.494	171	B₂	0.958
1297	7.708	1.49	A₁	0.958
1265	7.903	0.146	A₁	0.958
1261	7.933	0.044	B₂	0.958
1210	8.266	22.8	B₂	0.958
1200	8.334	1.33	A₁	0.958
1189	8.408	3.04	B₂	0.958
1173	8.525	7.33	A₁	0.958
1119	8.934	10.1	B₂	0.958
1116	8.958	0.289	A₁	0.958
1106	9.04	3.96	B₂	0.958
1035	9.663	0.922	A₁	0.958
1030	9.711	1.35	B₂	0.958
1015	9.856	0.116	B₁	0.958
1013	9.867	0	A₂	0.958
966	10.35	4.81	B₁	0.958
962.7	10.39	0	A₂	0.958
901.6	11.09	0.749	B₂	0.958
898.1	11.13	15.7	B₁	0.958
868.3	11.52	1.52	A₁	0.958
866.2	11.54	0	A₂	0.958
846.9	11.81	18.6	B₁	0.958
821.4	12.17	0.381	B₂	0.958
788.9	12.68	0.335	B₁	0.958
753.9	13.26	0	A₂	0.958
742	13.48	183	B₁	0.958
727.4	13.75	0	A₂	0.958
696.1	14.37	0.0077	A₁	0.958
677.8	14.75	213	B₁	0.958
647.8	15.44	0.206	A₁	0.958
614.8	16.26	0.513	B₂	0.958
613.4	16.3	33.2	B₁	0.958
565.6	17.68	1.28	B₂	0.958
525.7	19.02	0.0037	A₁	0.958
517.9	19.31	0	A₂	0.958
516.3	19.37	0.41	B₁	0.958
482.1	20.74	0	A₂	0.958
416	24.04	0.172	B₂	0.958
394.4	25.36	6.18	B₁	0.958
380	26.32	0.875	A₁	0.958
368.1	27.17	0	A₂	0.958
350.4	28.54	0.105	B₂	0.958
302.9	33.01	5.41	B₁	0.958
242.6	41.22	0.0205	A₁	0.958
220.7	45.3	0	A₂	0.958
124	80.62	9.07	B₁	0.958
97.71	102.3	0	A₂	0.958
39.38	254	1.23	B₁	0.958

Vibrations

Note(s):

9NH2-anthracene cation

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