Spectrum Atlas

fluoranthene+OCH3 C17H12O

A2_7f8e85ab0f · SMILES COc1cc2c3c(cccc3c1)-c1ccccc1-2 · InChIKey LGOIUULEFLARCS-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
160.876.3+15.6
295.8105.5+9.7
3115.5127.7+12.2
4153.3160.6+7.3
5153.8163.1+9.3
6215.2218.3+3.1
7245.9255.6+9.7
8270.6275.8+5.2
9295.1301.6+6.5
10314.2320.3+6.0
11332.8338.1+5.4
12384.0388.7+4.7
13441.2452.8+11.6
14451.9463.4+11.6
15464.9470.9+6.0
16525.9530.8+4.9
17530.0539.9+9.9
18545.6547.7+2.1
19604.8607.3+2.5
20614.4627.0+12.5
21624.8628.3+3.5
22633.8643.3+9.5
23657.3668.4+11.1
24668.4674.3+5.9
25729.0736.1+7.0
26757.8769.2+11.4
27770.4781.5+11.2
28794.2808.5+14.4
29817.0823.5+6.6
30822.0832.7+10.7
31867.1888.7+21.6
32871.2893.4+22.1
33888.1903.9+15.8
34894.8914.7+19.9
35909.9933.5+23.6
36934.5950.6+16.1
37943.9972.5+28.6
38969.5999.5+30.0
39976.11002.5+26.4
40992.71008.6+15.9
411052.21064.1+11.9
421056.01065.1+9.0
431073.71087.0+13.4
441111.01118.6+7.6
451146.61152.0+5.4
461183.51178.5-5.1
471189.01187.6-1.4
481192.91188.0-4.9
491196.81193.3-3.5
501203.61209.2+5.6
511222.81220.7-2.1
521249.81257.0+7.2
531277.91280.3+2.4
541314.41311.1-3.4
551333.11333.8+0.7
561359.81356.0-3.8
571399.31404.6+5.3
581416.41427.6+11.2
591446.41457.0+10.6
601461.11470.4+9.2
611489.31504.4+15.2
621497.11508.8+11.8
631514.91531.2+16.3
641518.51533.0+14.5
651522.81538.5+15.7
661534.71539.7+5.0
671540.51570.9+30.4
681631.11663.4+32.3
691647.81682.8+35.1
701658.81696.7+37.9
711665.21707.8+42.6
721676.71720.0+43.3
733021.93058.8+36.9
743082.13130.2+48.1
753155.23198.3+43.1
763177.53221.0+43.6
773179.43222.7+43.2
783185.13228.5+43.4
793191.43234.4+43.0
803194.73237.9+43.2
813202.83245.6+42.8
823206.53250.0+43.5
833209.53253.6+44.1
843220.33265.7+45.4

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, 2026-10-03 15:18:43 → 2026-10-03 18:27:06, 11302 s, peak 7.42 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest