Spectrum Atlas

benzo[e]pyrene C20H12

P3_2b5a6c3201 · SMILES c1ccc2c(c1)c1cccc3ccc4cccc2c4c31 · InChIKey TXVHTIQJNYSSKO-UHFFFAOYSA-N

Cheap level done

Harmonic frequencies at the cheap level (deck v1: B3LYP and ωB97X, 6-31G*, at the B3LYP geometry)

90 vibrational modes; imaginary modes negative. Shift = ωB97X − B3LYP.

0500100015002000250030003500 wavenumber (cm⁻¹) 3 µm4 µm5 µm6 µm8 µm10 µm15 µm25 µm B3LYP ωB97X 0500100015002000250030003500 wavenumber (cm⁻¹) 3 µm4 µm5 µm6 µm8 µm10 µm15 µm25 µm B3LYP ωB97X 0100020003000 wavenumber (cm⁻¹) 3 µm5 µm10 µm20 µm B3LYP ωB97X

Band heights are not computed for this molecule yet (no dipole derivatives); positions only, at unit height. High wavenumbers on the left; the table below is the same data.

#B3LYP (cm⁻¹)ωB97X (cm⁻¹)shift
148.768.0+19.4
276.794.6+17.9
3129.6141.1+11.5
4160.2179.2+19.0
5225.0233.9+8.9
6257.9265.6+7.6
7282.8291.7+8.9
8295.6304.2+8.6
9343.6348.0+4.4
10388.3391.6+3.3
11411.3414.3+3.0
12433.3446.0+12.7
13438.5447.2+8.7
14463.1467.7+4.5
15501.2512.5+11.3
16513.2517.7+4.5
17539.9552.1+12.3
18565.4567.7+2.3
19573.6577.9+4.3
20573.8588.1+14.3
21589.8594.9+5.1
22623.5627.7+4.2
23654.5663.1+8.6
24659.0669.6+10.5
25720.2729.1+8.9
26724.8735.0+10.2
27751.2766.8+15.6
28766.2778.5+12.3
29783.0793.8+10.8
30786.0798.8+12.7
31787.6799.4+11.9
32793.2801.6+8.4
33839.5856.5+17.0
34845.0865.8+20.8
35865.3889.5+24.2
36894.0902.5+8.5
37894.5925.6+31.1
38901.0931.1+30.1
39935.4968.1+32.7
40961.0971.0+10.0
41962.4995.6+33.2
42966.91000.4+33.5
43976.31010.7+34.4
44980.51014.2+33.6
451014.91023.5+8.6
461072.21078.2+6.0
471103.01110.9+7.9
481104.31114.1+9.9
491121.31128.0+6.7
501138.61143.2+4.7
511183.31164.7-18.6
521186.41185.3-1.2
531202.81199.3-3.5
541228.81227.9-0.9
551234.61238.0+3.4
561250.51242.0-8.5
571273.51275.6+2.1
581289.81281.9-7.8
591300.11305.2+5.1
601342.01326.3-15.7
611352.21362.8+10.6
621361.61364.8+3.1
631374.21373.5-0.8
641404.71388.8-15.9
651443.71460.0+16.3
661447.91465.1+17.2
671472.21480.1+8.0
681482.41500.8+18.4
691518.51542.2+23.7
701521.61543.2+21.6
711551.61574.4+22.8
721569.91596.4+26.6
731620.81649.3+28.4
741634.61673.0+38.4
751647.51679.7+32.2
761657.31693.8+36.5
771666.81706.5+39.7
781682.71724.9+42.2
793176.13220.3+44.2
803181.73225.0+43.3
813182.23225.4+43.1
823186.53229.6+43.2
833194.53238.9+44.4
843198.33241.6+43.3
853198.83242.2+43.3
863202.33245.2+42.9
873214.33259.3+45.0
883217.33261.5+44.3
893232.83279.7+46.9
903235.23281.5+46.3

Provenance

  • Releases: none yet
  • Entered the corpus as: pool 3, chosen by rule (decision 54): aza four-rings and five-ring systems (layer P3)
  • Run: ubuntu-32gb-hel1-2, 2026-10-15 09:13:04 → 2026-10-15 13:20:41, 14856 s, peak 9.17 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest