Spectrum Atlas

pyrene+OH C16H10O

A2_fe568a45a8 · SMILES Oc1cc2ccc3cccc4ccc(c1)c2c34 · InChIKey NKFFJDXMGAZKEQ-UHFFFAOYSA-N

Cheap level done

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

75 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
178.089.4+11.4
2155.2174.2+19.1
3187.5193.6+6.1
4223.0229.4+6.4
5252.0260.6+8.6
6268.2274.9+6.7
7350.6364.4+13.9
8357.6379.8+22.1
9377.0417.4+40.3
10404.1427.1+23.1
11420.2428.2+8.0
12480.0482.6+2.6
13507.4512.0+4.6
14510.3516.9+6.6
15512.1523.8+11.7
16544.3550.6+6.3
17550.8563.7+12.9
18572.9577.1+4.2
19579.8582.9+3.1
20626.8635.3+8.5
21630.2646.0+15.8
22687.9701.7+13.9
23718.4731.7+13.3
24772.0780.9+8.9
25775.8783.5+7.7
26778.6784.6+6.0
27804.0823.3+19.4
28819.3832.8+13.5
29832.3841.0+8.7
30838.0858.8+20.9
31858.4880.0+21.5
32876.6901.3+24.7
33911.0939.6+28.6
34965.0998.2+33.2
35971.91007.0+35.1
36980.61007.4+26.8
371000.71013.6+12.9
381009.51019.5+10.0
391015.11024.0+8.9
401112.61118.9+6.3
411138.81140.4+1.6
421169.31149.8-19.5
431180.81173.3-7.5
441203.01205.9+3.0
451211.61213.0+1.4
461223.41227.0+3.6
471246.91259.8+12.9
481270.31281.8+11.5
491276.41284.9+8.5
501346.01325.6-20.5
511360.01360.0-0.1
521369.31375.2+5.9
531421.61405.7-15.8
541446.31448.0+1.8
551450.31473.4+23.1
561468.31487.8+19.6
571481.71502.1+20.4
581504.51528.3+23.8
591530.51564.1+33.7
601553.91580.2+26.3
611620.51644.7+24.2
621640.51682.1+41.7
631660.01691.9+31.9
641665.91697.5+31.6
651687.81735.2+47.4
663162.03206.7+44.7
673174.63218.7+44.1
683175.83219.9+44.2
693177.93221.4+43.4
703185.13228.9+43.8
713193.03236.7+43.7
723195.83239.4+43.6
733204.53247.7+43.2
743207.63251.0+43.5
753750.93790.2+39.3

Provenance

  • Releases: none yet
  • Entered the corpus as: substituted three- and four-ring cores, enumerated from the parents (layer A′) (layer A2)
  • Run: ubuntu-32gb-hel1-2, 2026-10-05 10:58:08 → 2026-10-05 13:21:55, 8627 s, peak 6.61 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest