NASA Ames PAH IR Spectroscopic Database

Transitions

ν_k [cm^-1]	λ [μm]	int [km/mol]	symm.	f_scale
3054	3.275	29.7	A	0.958
2954	3.386	66.2	A	0.958
2952	3.388	33.6	A	0.958
2951	3.389	38.9	A	0.958
2948	3.392	29.1	A	0.958
2947	3.393	106	A	0.958
2947	3.393	38.3	A	0.958
2946	3.395	18.6	A	0.958
2945	3.396	72.8	A	0.958
2945	3.396	12.8	A	0.958
2944	3.397	12.3	A	0.958
2931	3.412	17.3	A	0.958
2864	3.492	43.8	A	0.958
2862	3.494	34.7	A	0.958
2862	3.494	37.4	A	0.958
2858	3.5	128	A	0.958
2857	3.501	49.8	A	0.958
2855	3.502	34.1	A	0.958
2852	3.507	72.4	A	0.958
2850	3.509	15.2	A	0.958
2850	3.509	75.5	A	0.958
2847	3.513	0.854	A	0.958
2845	3.515	14.1	A	0.958
2844	3.516	96.3	A	0.958
2843	3.518	68.5	A	0.958
2836	3.525	29.6	A	0.958
2835	3.527	37.1	A	0.958
2834	3.529	33.5	A	0.958
2824	3.541	23.2	A	0.958
2823	3.543	131	A	0.958
2813	3.555	14	A	0.958
2806	3.564	41.7	A	0.958
2792	3.582	75.6	A	0.958
2791	3.583	73.6	A	0.958
2787	3.588	68.1	A	0.958
1646	6.076	116	A	0.958
1637	6.108	36.2	A	0.958
1629	6.139	10.9	A	0.958
1622	6.165	45.4	A	0.958
1605	6.23	260	A	0.958
1590	6.291	331	A	0.958
1588	6.296	57.6	A	0.958
1570	6.369	243	A	0.958
1564	6.393	86.6	A	0.958
1555	6.432	1.8	A	0.958
1551	6.448	10.6	A	0.958
1539	6.496	25.9	A	0.958
1517	6.593	45.6	A	0.958
1503	6.655	195	A	0.958
1492	6.702	18.6	A	0.958
1464	6.829	49.4	A	0.958
1464	6.832	16.9	A	0.958
1463	6.834	44.6	A	0.958
1463	6.837	9.73	A	0.958
1461	6.843	0.553	A	0.958
1461	6.845	0.791	A	0.958
1458	6.859	14	A	0.958
1457	6.862	26.3	A	0.958
1457	6.864	9.5	A	0.958
1456	6.866	14.6	A	0.958
1455	6.871	39.2	A	0.958
1452	6.885	161	A	0.958
1447	6.911	15.6	A	0.958
1433	6.979	14	A	0.958
1431	6.988	16	A	0.958
1430	6.994	33.5	A	0.958
1427	7.007	88.8	A	0.958
1425	7.017	272	A	0.958
1419	7.046	76.5	A	0.958
1409	7.095	141	A	0.958
1409	7.099	217	A	0.958
1405	7.116	63.5	A	0.958
1402	7.133	4.85	A	0.958
1397	7.156	7.14	A	0.958
1394	7.175	186	A	0.958
1382	7.235	644	A	0.958
1375	7.272	68.9	A	0.958
1374	7.28	19.5	A	0.958
1372	7.288	43.5	A	0.958
1369	7.304	6.79	A	0.958
1358	7.362	195	A	0.958
1350	7.407	2.47	A	0.958
1347	7.426	15.1	A	0.958
1344	7.441	46.7	A	0.958
1341	7.458	30.3	A	0.958
1336	7.484	7.98	A	0.958
1331	7.51	59.5	A	0.958
1328	7.531	14.7	A	0.958
1325	7.546	1.93	A	0.958
1324	7.551	3.44	A	0.958
1324	7.555	0.278	A	0.958
1322	7.562	19.3	A	0.958
1322	7.564	27.7	A	0.958
1320	7.573	16.1	A	0.958
1319	7.58	36	A	0.958
1310	7.631	217	A	0.958
1298	7.702	8.82	A	0.958
1296	7.717	35.7	A	0.958
1291	7.748	52.8	A	0.958
1286	7.779	51.1	A	0.958
1249	8.005	1.07	A	0.958
1246	8.028	0.768	A	0.958
1245	8.031	82.8	A	0.958
1243	8.047	66.2	A	0.958
1241	8.055	1.27	A	0.958
1239	8.069	10.1	A	0.958
1239	8.073	1.16	A	0.958
1231	8.122	0.99	A	0.958
1229	8.14	1.27	A	0.958
1219	8.201	16.1	A	0.958
1217	8.219	7.31	A	0.958
1214	8.236	2.54	A	0.958
1205	8.301	16.2	A	0.958
1204	8.308	39.3	A	0.958
1195	8.367	3.27	A	0.958
1191	8.394	15.1	A	0.958
1187	8.422	1.25	A	0.958
1174	8.518	1.07	A	0.958
1166	8.578	1.43	A	0.958
1165	8.587	5.57	A	0.958
1156	8.648	4.77	A	0.958
1149	8.705	0.252	A	0.958
1145	8.734	0.292	A	0.958
1143	8.75	1.84	A	0.958
1142	8.753	1.27	A	0.958
1141	8.763	0.374	A	0.958
1139	8.776	1.07	A	0.958
1133	8.823	13.9	A	0.958
1129	8.86	37.3	A	0.958
1127	8.876	8.98	A	0.958
1119	8.937	8.54	A	0.958
1114	8.979	1.64	A	0.958
1096	9.123	5.31	A	0.958
1090	9.172	8.66	A	0.958
1080	9.262	0.499	A	0.958
1068	9.365	3.77	A	0.958
1062	9.414	8.88	A	0.958
1046	9.559	5.75	A	0.958
1032	9.694	26.8	A	0.958
1030	9.709	34.1	A	0.958
1026	9.747	9.35	A	0.958
1023	9.779	0.361	A	0.958
1020	9.805	0.301	A	0.958
1014	9.862	2.86	A	0.958
1004	9.961	1.45	A	0.958
997.3	10.03	5.95	A	0.958
992.8	10.07	8.02	A	0.958
988.5	10.12	33.8	A	0.958
977.2	10.23	13.4	A	0.958
967.7	10.33	16.4	A	0.958
960.6	10.41	1.1	A	0.958
959.7	10.42	2.84	A	0.958
948.9	10.54	5.05	A	0.958
939.3	10.65	3.88	A	0.958
927	10.79	63.1	A	0.958
920.4	10.86	39.8	A	0.958
913.4	10.95	9.46	A	0.958
910.8	10.98	3.31	A	0.958
904.2	11.06	0.662	A	0.958
893.4	11.19	1.86	A	0.958
891.2	11.22	0.444	A	0.958
887.7	11.26	0.706	A	0.958
881.9	11.34	4.77	A	0.958
876.2	11.41	0.462	A	0.958
855.8	11.69	6.84	A	0.958
835.2	11.97	13.4	A	0.958
832.1	12.02	0.359	A	0.958
821.9	12.17	8.16	A	0.958
818.9	12.21	6.2	A	0.958
804.6	12.43	1.37	A	0.958
798.9	12.52	11	A	0.958
785.1	12.74	14.4	A	0.958
776.5	12.88	3.86	A	0.958
772.7	12.94	22.2	A	0.958
762.2	13.12	0.901	A	0.958
751.1	13.31	0.478	A	0.958
746.3	13.4	5.64	A	0.958
733.2	13.64	1.74	A	0.958
727.2	13.75	1.28	A	0.958
722	13.85	6.85	A	0.958
706.1	14.16	0.277	A	0.958
704.8	14.19	0.309	A	0.958
698.6	14.31	0.147	A	0.958
692.5	14.44	0.733	A	0.958
678.9	14.73	3.77	A	0.958
671.2	14.9	0.166	A	0.958
668.8	14.95	5.05	A	0.958
656.7	15.23	0.161	A	0.958
648.4	15.42	0.47	A	0.958
638.4	15.66	0.782	A	0.958
630.4	15.86	0.462	A	0.958
614.5	16.27	0.267	A	0.958
608.6	16.43	0.961	A	0.958
605.8	16.51	2.78	A	0.958
593.8	16.84	27.9	A	0.958
592.6	16.87	5.15	A	0.958
584.8	17.1	15.4	A	0.958
570.4	17.53	1.87	A	0.958
561.8	17.8	0.573	A	0.958
560.6	17.84	0.458	A	0.958
559.4	17.88	1.48	A	0.958
547.7	18.26	0.331	A	0.958
547.1	18.28	4.27	A	0.958
545.3	18.34	4.97	A	0.958
542.2	18.44	3.32	A	0.958
526.7	18.99	2.13	A	0.958
513.6	19.47	3.18	A	0.958
506.9	19.73	0.261	A	0.958
498.1	20.08	1.28	A	0.958
494.6	20.22	0.299	A	0.958
482.6	20.72	2.32	A	0.958
481.1	20.79	6.6	A	0.958
470.1	21.27	0.588	A	0.958
456	21.93	3.93	A	0.958
451.5	22.15	0.352	A	0.958
446.2	22.41	2.03	A	0.958
444.8	22.48	1.18	A	0.958
439.9	22.73	8.91	A	0.958
437	22.88	4.57	A	0.958
404.2	24.74	3.22	A	0.958
395.4	25.29	3.35	A	0.958
390.4	25.61	3.01	A	0.958
375.9	26.6	0.434	A	0.958
371.9	26.89	2.83	A	0.958
359.9	27.79	0.556	A	0.958
353.8	28.27	0.268	A	0.958
348.2	28.72	0.909	A	0.958
345.1	28.98	0.164	A	0.958
331.5	30.17	0.982	A	0.958
323.7	30.9	2.69	A	0.958
323.1	30.95	1.17	A	0.958
320.5	31.2	4.4	A	0.958
315.3	31.71	0.161	A	0.958
306.2	32.66	1.69	A	0.958
296	33.79	0.283	A	0.958
257.6	38.82	0.941	A	0.958
252.6	39.58	0.288	A	0.958
245.2	40.78	0.234	A	0.958
240.9	41.51	1.86	A	0.958
239.7	41.72	0.136	A	0.958
224.3	44.58	2.23	A	0.958
220.8	45.29	6.44	A	0.958
201.6	49.6	3.01	A	0.958
195.2	51.22	1.56	A	0.958
187.9	53.22	0.961	A	0.958
181	55.25	0.898	A	0.958
176.1	56.8	0.24	A	0.958
170.4	58.68	0.391	A	0.958
159.2	62.8	0.333	A	0.958
136.9	73.02	2.96	A	0.958
127.1	78.69	0.15	A	0.958
125.5	79.71	0.2	A	0.958
116.3	85.98	0.177	A	0.958
107.5	92.99	0.175	A	0.958
87.91	113.8	0.494	A	0.958
81.76	122.3	0.202	A	0.958
69.09	144.7	0.102	A	0.958
59.56	167.9	5.37	A	0.958
53.05	188.5	0.113	A	0.958
22.45	445.4	0.0583	A	0.958
20.42	489.6	0.0573	A	0.958

Vibrations

Note(s):

All but one h2

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