Spectrum Atlas

benzo[a]pyrene+OCH3 C21H14O

P3_0bf323c494 · SMILES COc1ccc2ccc3cc4ccccc4c4ccc1c2c34 · InChIKey KDSMQHXNODATQB-UHFFFAOYSA-N

Cheap level done

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

102 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
150.761.8+11.1
269.085.9+16.9
391.2104.2+13.0
4131.6140.6+9.0
5155.6162.2+6.7
6156.9164.1+7.1
7218.9222.1+3.1
8239.5250.4+10.9
9253.6260.5+6.9
10272.4282.3+9.9
11303.9306.8+2.9
12306.0316.8+10.9
13343.1353.6+10.4
14363.5366.7+3.2
15420.6425.5+4.9
16432.2442.9+10.7
17450.8456.0+5.2
18469.9478.4+8.5
19494.8500.0+5.3
20514.6527.7+13.1
21531.9535.3+3.4
22537.8548.1+10.3
23561.0569.8+8.8
24565.0570.6+5.5
25579.6583.9+4.3
26614.4628.5+14.1
27634.5639.2+4.7
28655.1659.9+4.8
29681.9694.4+12.5
30712.3717.3+5.0
31716.9723.5+6.6
32718.1729.1+11.0
33755.0766.6+11.6
34768.5780.3+11.8
35801.2814.7+13.6
36814.6823.1+8.5
37821.5836.0+14.5
38836.3851.3+15.0
39838.8855.5+16.7
40858.3865.0+6.7
41863.9881.4+17.5
42889.3897.2+8.0
43897.4914.4+17.1
44908.1923.3+15.2
45925.1954.0+28.9
46940.9975.5+34.6
47965.3998.2+32.9
48973.51008.3+34.8
49983.01013.7+30.7
501042.31051.1+8.8
511054.71062.3+7.6
521070.01081.5+11.5
531126.51133.4+6.9
541143.61141.2-2.5
551166.01156.6-9.5
561183.41182.7-0.8
571185.01188.0+3.0
581196.61190.7-5.8
591204.51198.5-5.9
601209.61217.6+8.0
611231.91237.1+5.2
621237.11238.7+1.6
631269.01261.3-7.7
641276.81283.9+7.1
651300.91305.2+4.2
661303.41310.7+7.3
671345.31347.5+2.3
681364.41371.6+7.2
691386.61380.1-6.5
701401.61400.6-1.0
711411.01421.3+10.3
721446.21451.2+5.0
731454.21461.8+7.7
741457.81477.4+19.6
751475.11488.5+13.4
761499.91510.8+10.9
771510.41530.9+20.4
781518.51532.8+14.2
791521.01538.2+17.2
801533.61546.2+12.6
811554.21580.8+26.6
821565.41590.6+25.3
831615.51642.9+27.4
841627.01666.0+39.0
851649.91678.0+28.1
861655.91689.0+33.1
871671.11717.0+46.0
881686.21728.2+41.9
893027.53063.8+36.3
903088.63136.8+48.2
913158.83202.1+43.3
923173.43219.0+45.5
933176.03220.2+44.2
943178.83222.1+43.3
953184.73228.8+44.1
963188.93232.4+43.5
973194.93238.5+43.6
983202.63246.7+44.1
993209.73254.2+44.5
1003223.23268.9+45.7
1013227.53271.6+44.2
1023233.93278.6+44.7

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 11:28:37 → 2026-10-15 17:34:40, 21963 s, peak 10.72 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest