NASA Ames PAH IR Spectroscopic Database

Transitions

ν_k [cm^-1]	λ [μm]	int [km/mol]	symm.	f_scale
3093	3.233	48	A₁	0.958
3082	3.244	9.66	B₂	0.958
3080	3.247	0.275	A₁	0.958
3080	3.247	178	B₂	0.958
3075	3.252	22.5	A₁	0.958
3067	3.26	0.132	B₂	0.958
3066	3.262	66.8	A₁	0.958
3065	3.262	53.4	A₁	0.958
3065	3.262	0.0161	B₂	0.958
3056	3.272	3.16	A₁	0.958
3055	3.273	23.2	B₂	0.958
3054	3.274	8.02	A₁	0.958
3054	3.274	3.88	B₂	0.958
3052	3.277	16	A₁	0.958
3052	3.277	52.3	B₂	0.958
3048	3.281	0.102	B₂	0.958
3048	3.281	1.09	A₁	0.958
3047	3.282	1.29	B₂	0.958
3044	3.285	12.3	A₁	0.958
3043	3.286	0.786	B₂	0.958
1623	6.161	10.3	A₁	0.958
1622	6.167	0.579	B₂	0.958
1602	6.243	5.32	A₁	0.958
1596	6.265	26.2	B₂	0.958
1596	6.268	2.01	A₁	0.958
1594	6.273	18.3	B₂	0.958
1588	6.298	3.62	B₂	0.958
1585	6.308	1.21	A₁	0.958
1577	6.339	0.0004	A₁	0.958
1572	6.359	8.16	B₂	0.958
1572	6.362	0.303	A₁	0.958
1561	6.405	5.77	B₂	0.958
1560	6.409	0.0964	A₁	0.958
1544	6.478	0.0154	B₂	0.958
1522	6.57	5.24	A₁	0.958
1520	6.578	15	B₂	0.958
1479	6.763	65.9	B₂	0.958
1477	6.771	0.372	A₁	0.958
1475	6.782	0.108	B₂	0.958
1470	6.804	7.04	A₁	0.958
1460	6.851	2.62	B₂	0.958
1451	6.89	7.32	A₁	0.958
1442	6.935	3.75	A₁	0.958
1438	6.955	66	B₂	0.958
1433	6.98	153	B₂	0.958
1432	6.981	11.3	A₁	0.958
1424	7.023	0.0458	B₂	0.958
1418	7.05	8.29	A₁	0.958
1417	7.059	3.13	A₁	0.958
1409	7.099	34.6	B₂	0.958
1396	7.164	4.06	B₂	0.958
1381	7.242	27.3	B₂	0.958
1374	7.276	3.02	A₁	0.958
1361	7.349	0.54	A₁	0.958
1358	7.362	0.0108	B₂	0.958
1347	7.422	39.3	B₂	0.958
1346	7.428	13.9	A₁	0.958
1333	7.5	10.4	A₁	0.958
1327	7.535	1.18	B₂	0.958
1326	7.543	2.8	A₁	0.958
1311	7.626	4.15	A₁	0.958
1310	7.631	0.0268	B₂	0.958
1308	7.648	1.06	B₂	0.958
1303	7.676	7.07	A₁	0.958
1294	7.729	0.0744	A₁	0.958
1290	7.752	16.7	B₂	0.958
1267	7.891	0.0006	A₁	0.958
1264	7.914	4.59	B₂	0.958
1262	7.923	0.701	A₁	0.958
1247	8.018	4.15	A₁	0.958
1239	8.073	0.275	B₂	0.958
1233	8.111	3.94	A₁	0.958
1210	8.261	0.396	B₂	0.958
1203	8.315	0.924	A₁	0.958
1194	8.373	1.71	B₂	0.958
1189	8.414	2.63	A₁	0.958
1183	8.45	4.05	B₂	0.958
1176	8.503	4.45	B₂	0.958
1176	8.505	4.45	A₁	0.958
1172	8.53	0.598	A₁	0.958
1157	8.646	1.12	A₁	0.958
1156	8.649	4.8	B₂	0.958
1137	8.795	7.85	B₂	0.958
1137	8.798	3.49	A₁	0.958
1112	8.992	30.3	B₂	0.958
1103	9.063	0.0757	A₁	0.958
1089	9.179	0.907	A₁	0.958
1077	9.288	2.09	B₂	0.958
1073	9.32	0.255	A₁	0.958
1037	9.641	0.445	A₁	0.958
1025	9.759	10.7	B₂	0.958
1022	9.787	9.99	B₂	0.958
1014	9.86	0.0346	A₁	0.958
1003	9.974	8.57	B₂	0.958
989	10.11	0.0136	A₁	0.958
982	10.18	0.0079	B₁	0.958
982	10.18	0	A₂	0.958
974.1	10.27	0	A₂	0.958
965.9	10.35	7.16	B₂	0.958
956.9	10.45	0	A₂	0.958
946.6	10.56	0.35	B₁	0.958
941	10.63	0	A₂	0.958
939.5	10.64	0.0778	B₂	0.958
938.3	10.66	2.02	B₁	0.958
938.1	10.66	0	A₂	0.958
917.5	10.9	71.6	B₁	0.958
913.3	10.95	0	A₂	0.958
906	11.04	0.332	A₁	0.958
883.7	11.32	0.134	B₂	0.958
880.9	11.35	5.16	B₁	0.958
877.2	11.4	0	A₂	0.958
870.1	11.49	0.145	B₁	0.958
863.7	11.58	0	A₂	0.958
858.3	11.65	0.0244	A₁	0.958
830.4	12.04	0.119	A₁	0.958
829.5	12.06	2.89	B₁	0.958
827.6	12.08	0	A₂	0.958
820.7	12.19	61.5	B₁	0.958
814.8	12.27	0.263	B₂	0.958
800.7	12.49	0	A₂	0.958
796.2	12.56	14.8	B₁	0.958
792.5	12.62	5.09	B₂	0.958
792.4	12.62	28.7	B₁	0.958
778.8	12.84	0	A₂	0.958
762.6	13.11	0	A₂	0.958
759.9	13.16	24.8	B₁	0.958
755.7	13.23	38.3	B₁	0.958
753.8	13.27	0.0955	A₁	0.958
753	13.28	0	A₂	0.958
748.5	13.36	0	A₂	0.958
743.2	13.46	0.0062	A₁	0.958
732.5	13.65	52.2	B₁	0.958
722.4	13.84	1.06	B₂	0.958
707.7	14.13	0	A₂	0.958
694.5	14.4	7.95	B₂	0.958
681.6	14.67	0	A₁	0.958
680.2	14.7	0.239	B₁	0.958
676.9	14.77	0.979	B₂	0.958
670.1	14.92	0	A₂	0.958
662.7	15.09	0.0212	A₁	0.958
653.4	15.31	1.91	B₂	0.958
644.9	15.51	0.12	B₁	0.958
632.6	15.81	0	A₂	0.958
628	15.92	0.317	B₂	0.958
627.9	15.93	0.245	A₁	0.958
623.7	16.03	2.71	B₁	0.958
602.9	16.59	0	A₂	0.958
590.1	16.95	7.89	B₂	0.958
588.8	16.98	0.0788	B₁	0.958
582.3	17.17	0.103	A₁	0.958
580.7	17.22	0.274	B₂	0.958
576.5	17.34	0.226	A₁	0.958
566.9	17.64	3.47	B₂	0.958
557.4	17.94	6.21	B₁	0.958
552.7	18.09	0	A₂	0.958
537.6	18.6	0.255	A₁	0.958
520.3	19.22	0	A₂	0.958
515.2	19.41	0.266	B₂	0.958
511.3	19.56	0.0247	B₁	0.958
489	20.45	3.33	B₂	0.958
488.2	20.48	0.963	A₁	0.958
483.8	20.67	0	A₂	0.958
465	21.51	0	A₂	0.958
446.7	22.39	5	B₁	0.958
443.4	22.55	1.16	B₁	0.958
440.4	22.7	0.169	A₁	0.958
433.8	23.05	0	A₂	0.958
418.4	23.9	0.196	A₁	0.958
408	24.51	0.72	B₂	0.958
399.1	25.06	0	A₂	0.958
371.5	26.92	0.273	A₁	0.958
366.6	27.28	0	A₂	0.958
364.6	27.43	0.48	B₁	0.958
344.7	29.01	1.02	B₁	0.958
332.1	30.11	0.789	B₂	0.958
319.9	31.26	0.579	B₁	0.958
317.2	31.52	1.09	B₂	0.958
314.5	31.79	0	A₂	0.958
289.7	34.52	0.0776	B₂	0.958
276.2	36.21	0	A₂	0.958
268.5	37.24	0.394	B₁	0.958
239.5	41.76	0.0577	A₁	0.958
239.4	41.78	0	A₂	0.958
219.9	45.48	0.124	B₁	0.958
178	56.19	0.0339	A₁	0.958
176.3	56.72	2.61	B₁	0.958
166.5	60.04	0	A₂	0.958
142.7	70.09	0.0686	B₂	0.958
137	72.99	0.462	B₁	0.958
134	74.64	0	A₂	0.958
121.8	82.1	0	A₂	0.958
116.2	86.05	0.922	B₁	0.958
90.57	110.4	0.169	A₁	0.958
77.26	129.4	0.879	B₁	0.958
71.49	139.9	0.604	B₁	0.958
44.85	222.9	0	A₂	0.958
42.57	234.9	0	A₂	0.958
18.47	541.4	0.115	B₁	0.958

Vibrations

Note(s):

C48h20

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