Spectrum Atlas

fluoranthene+OCH3 C17H12O

A2_a93989fbcf · SMILES COc1ccc2cccc3c2c1-c1ccccc1-3 · InChIKey JOSFDKXWYCAZPE-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
161.683.9+22.3
298.3113.1+14.8
3126.0138.6+12.6
4139.3150.5+11.2
5150.1154.4+4.3
6208.1219.0+10.9
7251.3258.9+7.6
8256.4261.5+5.0
9303.2309.7+6.4
10353.8362.5+8.7
11359.0363.2+4.2
12364.2369.5+5.2
13444.8452.7+7.9
14446.5458.0+11.5
15465.4469.8+4.4
16494.0497.2+3.2
17539.2550.8+11.6
18577.3580.1+2.9
19582.3596.2+13.8
20601.9607.8+5.9
21627.4633.5+6.1
22640.4645.1+4.7
23677.7692.0+14.3
24686.9697.4+10.5
25717.0720.4+3.4
26759.9774.1+14.2
27770.0782.9+13.0
28776.7783.9+7.2
29794.6808.8+14.2
30804.1820.0+15.8
31838.1855.6+17.5
32890.1911.8+21.7
33913.0921.7+8.6
34916.4941.5+25.1
35933.0947.8+14.8
36937.8969.4+31.6
37938.6971.0+32.4
38965.71001.5+35.8
39979.01004.8+25.8
40998.11012.1+14.0
411051.91058.5+6.6
421058.91067.1+8.2
431101.51116.2+14.7
441125.31135.6+10.3
451136.81142.3+5.5
461181.41173.8-7.6
471181.71183.5+1.8
481191.61186.7-4.9
491199.71193.5-6.2
501216.61219.0+2.5
511230.71228.6-2.2
521262.21268.4+6.3
531286.11293.2+7.1
541313.71314.9+1.3
551325.11331.4+6.3
561346.91339.0-7.9
571404.71400.5-4.2
581415.71418.9+3.2
591460.21465.6+5.4
601470.61480.4+9.8
611482.21497.5+15.3
621496.31505.0+8.7
631506.21516.2+10.0
641522.61530.0+7.4
651525.81539.9+14.2
661533.21552.2+19.0
671548.71573.5+24.8
681628.61660.0+31.4
691650.11685.2+35.1
701660.11692.1+31.9
711661.91705.3+43.5
721674.11717.3+43.2
733031.93067.9+36.0
743093.93141.6+47.8
753160.63203.8+43.3
763177.53220.6+43.1
773178.03221.6+43.6
783185.93230.0+44.1
793187.03230.7+43.7
803188.33231.4+43.1
813202.63245.9+43.3
823204.23246.9+42.7
833220.73263.8+43.1
843224.33269.2+44.9

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, 2026-10-04 08:46:00 → 2026-10-04 12:01:34, 11733 s, peak 7.52 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest