NASA Ames PAH IR Spectroscopic Database

Transitions

ν_k [cm^-1]	λ [μm]	int [km/mol]	symm.	f_scale
3089	3.237	29.9	A₁	0.958
3089	3.238	11.5	B₂	0.958
3080	3.247	3.1	A₁	0.958
3080	3.247	74.9	B₂	0.958
3079	3.248	0.0452	A₁	0.958
3079	3.248	53.9	A₁	0.958
3078	3.248	11	B₂	0.958
3071	3.256	0.894	B₂	0.958
3071	3.256	0.941	A₁	0.958
3065	3.263	4.01	A₁	0.958
3065	3.263	4.32	B₂	0.958
3062	3.266	0.0015	A₁	0.958
3062	3.266	10.5	B₂	0.958
3061	3.267	2.82	A₁	0.958
3060	3.268	0.626	B₂	0.958
3058	3.27	10.6	A₁	0.958
3058	3.27	6.02	B₂	0.958
3057	3.271	0.427	A₁	0.958
1624	6.157	23.5	A₁	0.958
1610	6.209	75.6	A₁	0.958
1608	6.218	38	B₂	0.958
1601	6.245	63.3	B₂	0.958
1593	6.276	0.807	B₂	0.958
1592	6.282	12.1	A₁	0.958
1588	6.298	0.233	B₂	0.958
1586	6.305	2.21	A₁	0.958
1577	6.343	8.49	B₂	0.958
1572	6.36	8.89	A₁	0.958
1569	6.373	0.264	A₁	0.958
1560	6.411	1.7	B₂	0.958
1550	6.45	1.01	B₂	0.958
1543	6.482	0.391	A₁	0.958
1505	6.645	7.6	B₂	0.958
1500	6.666	17.4	A₁	0.958
1496	6.684	65.1	B₂	0.958
1491	6.709	0.0331	A₁	0.958
1481	6.751	8.6	B₂	0.958
1480	6.757	0.893	A₁	0.958
1469	6.805	6.64	A₁	0.958
1462	6.839	4.41	B₂	0.958
1459	6.854	12.8	A₁	0.958
1453	6.88	7.38	A₁	0.958
1452	6.886	0.005	B₂	0.958
1446	6.916	0.447	A₁	0.958
1442	6.934	5.36	B₂	0.958
1427	7.005	0.0945	B₂	0.958
1421	7.039	0.079	A₁	0.958
1419	7.046	2.23	B₂	0.958
1409	7.099	10.7	B₂	0.958
1405	7.116	2.24	A₁	0.958
1399	7.15	0.0001	A₁	0.958
1398	7.151	15.8	B₂	0.958
1395	7.169	7.93	B₂	0.958
1393	7.177	20.2	A₁	0.958
1389	7.198	0.179	B₂	0.958
1384	7.223	0.0001	A₁	0.958
1384	7.227	0.742	B₂	0.958
1377	7.263	10.9	B₂	0.958
1367	7.316	1.1	B₂	0.958
1365	7.327	20.8	A₁	0.958
1356	7.376	43.1	B₂	0.958
1352	7.399	0.0708	A₁	0.958
1346	7.432	26.5	A₁	0.958
1328	7.53	0.319	A₁	0.958
1325	7.55	0.0694	B₂	0.958
1319	7.583	5.31	A₁	0.958
1311	7.627	4.65	B₂	0.958
1300	7.69	1.56	A₁	0.958
1293	7.737	21.1	B₂	0.958
1293	7.737	0.441	A₁	0.958
1291	7.748	16.7	B₂	0.958
1276	7.836	11	A₁	0.958
1276	7.838	4.97	B₂	0.958
1270	7.873	3.2	A₁	0.958
1259	7.94	0.646	B₂	0.958
1254	7.977	81.6	A₁	0.958
1234	8.105	3.18	A₁	0.958
1232	8.117	2.02	B₂	0.958
1219	8.203	0.206	B₂	0.958
1207	8.285	0.0855	A₁	0.958
1198	8.348	0.213	B₂	0.958
1197	8.357	0.176	A₁	0.958
1193	8.379	4.42	A₁	0.958
1191	8.398	3.08	B₂	0.958
1173	8.522	23.5	B₂	0.958
1173	8.528	9.71	A₁	0.958
1160	8.62	11.8	B₂	0.958
1149	8.706	3.59	B₂	0.958
1146	8.724	0.528	A₁	0.958
1126	8.88	0.391	A₁	0.958
1113	8.987	0.472	B₂	0.958
1107	9.029	1.02	A₁	0.958
1096	9.125	0.0563	B₂	0.958
1088	9.187	0.648	B₂	0.958
1029	9.721	2.79	B₂	0.958
1022	9.787	4.08	A₁	0.958
999.4	10.01	0.0965	A₁	0.958
992.8	10.07	0.0013	B₁	0.958
990.2	10.1	0	A₂	0.958
989.3	10.11	0.0011	B₁	0.958
989	10.11	4.12	B₂	0.958
987.1	10.13	0	A₂	0.958
986.1	10.14	0.0363	B₁	0.958
983.6	10.17	0	A₂	0.958
981.6	10.19	1.56	B₂	0.958
977.7	10.23	2.92	A₁	0.958
977.5	10.23	1.62	A₁	0.958
932.1	10.73	80.6	B₁	0.958
918	10.89	123	B₁	0.958
913	10.95	0	A₂	0.958
906.8	11.03	20.4	B₁	0.958
901.5	11.09	0	A₂	0.958
898.2	11.13	1.2	B₁	0.958
883.1	11.32	0.0119	A₁	0.958
865.2	11.56	1.59	B₁	0.958
864.7	11.56	0.167	B₂	0.958
841.1	11.89	6.79	B₂	0.958
840.1	11.9	5.11	A₁	0.958
836.7	11.95	0.0014	A₁	0.958
835.4	11.97	0.15	B₂	0.958
829.1	12.06	0	A₂	0.958
819.6	12.2	0.149	B₁	0.958
819.6	12.2	0	A₂	0.958
811.9	12.32	0.0149	A₁	0.958
806.7	12.4	0.317	B₂	0.958
805	12.42	0	A₂	0.958
800.7	12.49	0.37	B₁	0.958
798.6	12.52	0	A₂	0.958
792.9	12.61	7.23	B₁	0.958
789.8	12.66	47.6	B₁	0.958
778.3	12.85	0.417	B₁	0.958
777.6	12.86	0	A₂	0.958
773.9	12.92	0.164	B₁	0.958
762.5	13.12	0	A₂	0.958
757.9	13.19	0.0138	B₂	0.958
748.6	13.36	0.005	A₁	0.958
746.5	13.4	0.305	B₂	0.958
728.4	13.73	29.4	B₁	0.958
720.4	13.88	0.004	A₁	0.958
718.5	13.92	1.3	B₁	0.958
715.7	13.97	0	A₂	0.958
698.9	14.31	0.0225	B₁	0.958
697.3	14.34	0	A₂	0.958
656	15.24	0.0629	A₁	0.958
655	15.27	0.117	B₂	0.958
650.4	15.37	2.76	A₁	0.958
650.2	15.38	2.98	B₂	0.958
627.8	15.93	0.338	A₁	0.958
625.2	16	0.0014	B₂	0.958
623.8	16.03	0.248	A₁	0.958
622.5	16.06	0	A₂	0.958
620.3	16.12	0.0957	B₁	0.958
614.7	16.27	0.048	B₁	0.958
613.6	16.3	0	A₂	0.958
610.9	16.37	0.0002	B₁	0.958
598	16.72	0.0336	B₂	0.958
597.4	16.74	0.169	A₁	0.958
585.1	17.09	0	A₂	0.958
575.2	17.38	0	A₂	0.958
566.5	17.65	1.75	B₁	0.958
563.8	17.74	0	A₂	0.958
561	17.82	23.7	B₁	0.958
559.9	17.86	0.735	B₂	0.958
557.4	17.94	0.829	A₁	0.958
537.2	18.61	0.0016	B₂	0.958
535.5	18.67	0.765	B₂	0.958
535.2	18.69	0	A₂	0.958
533.4	18.75	0.0469	B₁	0.958
504.2	19.84	4.11	B₂	0.958
501	19.96	2.75	A₁	0.958
493.4	20.27	0.325	B₂	0.958
483.1	20.7	0.0217	A₁	0.958
466.6	21.43	0.128	B₂	0.958
465.8	21.47	0.147	A₁	0.958
459.9	21.74	0.0055	B₁	0.958
442.2	22.61	0	A₂	0.958
441.6	22.64	0.0149	B₁	0.958
391	25.57	0.0203	B₁	0.958
387.4	25.81	0	A₁	0.958
387.2	25.82	0	A₂	0.958
384.2	26.03	0.0762	B₁	0.958
376.4	26.57	0	A₂	0.958
373.6	26.76	0.0569	A₁	0.958
372.7	26.83	0.212	B₂	0.958
370.2	27.01	0.0316	B₁	0.958
345	28.98	0.0188	B₁	0.958
341.1	29.32	0	A₂	0.958
341	29.33	1.21	B₂	0.958
319.3	31.31	0.0102	A₁	0.958
299	33.44	0	A₂	0.958
286.3	34.92	0.903	B₁	0.958
286.2	34.94	0	A₂	0.958
266.5	37.52	3.74	B₂	0.958
265.1	37.72	3.39	A₁	0.958
250.6	39.9	0.108	A₁	0.958
250.3	39.96	0.114	B₂	0.958
234.4	42.66	0	A₂	0.958
231.7	43.16	2.71	B₁	0.958
228.6	43.75	4.39	B₁	0.958
212.2	47.13	0.0013	B₁	0.958
210.7	47.47	0	A₂	0.958
142	70.44	0.037	B₁	0.958
139.8	71.51	0	A₂	0.958
132.6	75.41	0.0061	B₁	0.958
127.8	78.27	0	A₂	0.958
98.41	101.6	0.0262	B₁	0.958
73.31	136.4	0	A₂	0.958
57.23	174.7	3.83	B₁	0.958
38.8	257.7	0.0587	B₁	0.958
38.04	262.9	0	A₂	0.958

Vibrations

Note(s):

Circumcoronene with N at 21

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