Spectrum Atlas

pyrene+OCH3+ C17H12O

P3c_25fe240a5d · SMILES COc1cc2cccc3ccc4cccc1c4c32 · InChIKey LAMMJRISABQFNY-UHFFFAOYSA-N

Cheap level done

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

84 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
171.084.2+13.2
2108.2123.2+15.0
3132.7147.3+14.6
4178.3190.9+12.6
5191.8200.5+8.7
6210.4227.6+17.3
7233.4246.8+13.4
8260.3270.3+10.0
9312.4320.9+8.5
10319.9325.0+5.1
11374.5378.1+3.6
12422.0425.8+3.8
13433.0438.1+5.1
14436.9442.1+5.2
15473.9482.4+8.5
16502.4506.8+4.4
17522.9524.6+1.7
18524.5527.3+2.8
19547.3551.6+4.4
20556.5558.6+2.1
21617.3629.3+12.1
22639.1643.4+4.3
23669.9674.2+4.4
24689.0695.1+6.1
25708.9711.9+3.1
26723.0726.4+3.4
27765.2769.5+4.3
28798.6805.2+6.6
29800.2806.0+5.9
30824.9831.2+6.3
31843.1847.4+4.3
32862.2872.1+9.9
33880.0888.5+8.5
34933.2942.6+9.4
35943.2955.2+12.0
36963.2981.0+17.8
37991.61011.5+19.9
381003.11016.0+12.9
391006.21027.8+21.6
401012.81036.3+23.5
411021.11040.2+19.1
421103.81109.3+5.4
431122.01131.3+9.3
441130.51136.6+6.1
451174.91173.5-1.4
461180.61185.1+4.5
471190.71191.9+1.2
481211.51210.3-1.2
491220.51223.1+2.6
501228.61226.8-1.8
511239.51234.7-4.8
521263.51264.3+0.8
531268.21268.9+0.7
541334.21317.5-16.7
551380.61361.6-19.0
561389.91376.5-13.4
571396.21400.5+4.3
581415.31426.5+11.3
591450.01445.0-5.0
601472.11476.4+4.3
611476.11483.2+7.1
621480.41490.8+10.4
631502.21515.6+13.4
641520.91529.1+8.2
651523.61534.6+11.0
661532.51550.9+18.4
671540.91560.8+19.9
681575.81590.0+14.2
691597.61611.9+14.3
701598.71621.7+23.0
711615.21645.8+30.6
721667.41711.4+44.0
733067.53100.9+33.4
743146.93192.0+45.1
753201.93243.3+41.4
763205.53246.7+41.2
773207.93248.5+40.5
783208.23248.6+40.4
793211.23252.0+40.8
803219.83260.6+40.8
813227.53267.8+40.3
823231.83271.8+39.9
833237.13279.3+42.2
843242.33283.2+40.9

Provenance

  • Releases: none yet
  • Entered the corpus as: pool 3, chosen by rule (decision 54): cations of finished parents (layer P3c)
  • Run: ubuntu-32gb-hel1-2, 2026-10-11 12:56:21 → 2026-10-11 18:45:56, 20975 s, peak 7.55 GB, deck 37f37863836d
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest