NASA Ames PAH IR Spectroscopic Database

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104 PAHs matching query, showing PAHs 1 - 50

C₁₃H₉N^-

uid	278
id	28243
symmetry	₂-A"
scaling factor	multiple (3)

C₁₃H₉N

uid	276
id	23644
symmetry	???
scaling factor	multiple (3)

C₁₃H₉N

uid	274
id	23642
symmetry	???
scaling factor	multiple (3)

C₁₃H₉N⁺

uid	277
id	23645
symmetry	???
scaling factor	multiple (3)

C₁₃H₉N⁺

uid	275
id	23643
symmetry	???
scaling factor	multiple (3)

C₁₅H₉N

uid	271
id	23639
symmetry	???
scaling factor	multiple (3)

C₁₅H₉N⁺

uid	272
id	23640
symmetry	???
scaling factor	multiple (3)

C₁₆H₁₀N₂

uid	299
id	23666
symmetry	???
scaling factor	multiple (3)

C₁₆H₁₀N₂⁺

uid	300
id	23667
symmetry	???
scaling factor	multiple (3)

C₁₇H₁₁N

uid	293
id	23660
symmetry	???
scaling factor	multiple (3)

C₁₇H₁₁N

uid	285
id	23652
symmetry	₁-A'
scaling factor	multiple (3)

C₁₇H₁₁N

uid	297
id	28257
symmetry	₁-A'
scaling factor	multiple (3)

C₁₇H₁₁N

uid	295
id	28255
symmetry	₁-A'
scaling factor	multiple (3)

C₁₇H₁₁N

uid	289
id	28251
symmetry	₁-A'
scaling factor	multiple (3)

C₁₇H₁₁N

uid	287
id	28249
symmetry	₁-A'
scaling factor	multiple (3)

C₁₇H₁₁N⁺

uid	294
id	23661
symmetry	???
scaling factor	multiple (3)

C₁₇H₁₁N⁺

uid	286
id	23653
symmetry	???
scaling factor	multiple (3)

C₁₇H₁₁N⁺

uid	298
id	28258
symmetry	₂-A"
scaling factor	multiple (3)

C₁₇H₁₁N⁺

uid	296
id	28256
symmetry	₂-A"
scaling factor	multiple (3)

C₁₇H₁₁N⁺

uid	290
id	28252
symmetry	₂-A"
scaling factor	multiple (3)

C₁₇H₁₁N⁺

uid	288
id	28250
symmetry	₂-A"
scaling factor	multiple (3)

C₂₁H₁₃N

uid	311
id	23678
symmetry	₁-A₁
scaling factor	multiple (3)

C₂₁H₁₃N

uid	303
id	23670
symmetry	₁-A'
scaling factor	multiple (3)

C₂₁H₁₃N⁺

uid	313
id	23679
symmetry	???
scaling factor	multiple (3)

C₂₁H₁₃N⁺

uid	304
id	23671
symmetry	???
scaling factor	multiple (3)

C₂₂H₁₄

uid	305
id	23672
symmetry	₁-A₁
scaling factor	multiple (3)

C₂₂H₁₄

uid	301
id	23668
symmetry	₁-AG
scaling factor	multiple (3)

C₂₂H₁₄⁺

uid	306
id	23673
symmetry	???
scaling factor	multiple (3)

C₂₂H₁₄⁺

uid	302
id	23669
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₁N

uid	223
id	23592
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₂N

uid	226
id	23595
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₂N

uid	229
id	28238
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₃N

uid	232
id	23601
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₃N

uid	231
id	23600
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₃N

uid	230
id	23599
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₃N

uid	227
id	23596
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₁N⁺

uid	224
id	23593
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₂N⁺

uid	228
id	23597
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₂N⁺

uid	225
id	23594
symmetry	???
scaling factor	multiple (3)

C₂₃H₁₂N⁺

uid	233
id	28239
symmetry	???
scaling factor	multiple (3)

C₂₄H₁₂Mg⁺

uid	26
id	28157
symmetry	???
scaling factor	multiple (3)

C₂₄H₁₂Mg⁺

uid	25
id	28156
symmetry	₂-A₁
scaling factor	multiple (3)

C₂₄H₁₂Fe⁺

uid	24
id	28155
symmetry	₄-A
scaling factor	multiple (3)

C₂₄H₁₂Fe⁺

uid	22
id	28153
symmetry	???
scaling factor	multiple (3)

C₂₄H₁₂⁺²

uid	31
id	28161
symmetry	₃-B₃G
scaling factor	multiple (3)

C₂₄H₁₂Mg⁺²

uid	28
id	23398
symmetry	???
scaling factor	multiple (3)

C₂₄H₁₂Mg⁺²

uid	27
id	28158
symmetry	₁-A₁
scaling factor	multiple (3)

C₂₄H₁₂Fe⁺²

uid	23
id	28154
symmetry	₅-A
scaling factor	multiple (3)

C₂₄H₁₄⁺²

uid	33
id	28162
symmetry	₁-A
scaling factor	multiple (3)

C₂₅H₁₄

uid	314
id	23680
symmetry	???
scaling factor	multiple (3)

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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
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
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

4,233 species present in version 3.20 of the theoretical database (Sep 12, 2019)