Spectrum Atlas

fluoranthene+CF3 C17H9F3

A2_27370742a0 · SMILES FC(F)(F)c1ccc2c3c(cccc13)-c1ccccc1-2 · InChIKey AFPOMNUUXJWBOJ-UHFFFAOYSA-N

Cheap level done analytic check agrees

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

81 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
149.165.3+16.2
258.674.0+15.5
3117.3131.5+14.2
4134.8138.2+3.4
5136.5149.3+12.8
6169.8183.3+13.6
7203.8207.0+3.2
8243.0249.9+6.9
9281.6282.7+1.1
10299.8305.7+5.9
11326.8331.4+4.6
12390.1399.8+9.7
13421.3424.9+3.7
14442.4451.2+8.8
15469.6479.9+10.3
16474.0483.4+9.4
17499.9504.6+4.7
18516.4522.4+5.9
19549.5558.8+9.3
20567.0573.0+6.0
21580.8587.4+6.7
22594.6605.4+10.8
23616.6617.2+0.6
24644.0648.9+4.8
25650.0661.2+11.1
26689.4699.0+9.6
27698.7711.4+12.8
28739.4745.2+5.8
29759.9773.1+13.3
30776.2789.0+12.7
31796.9807.4+10.5
32802.2812.8+10.6
33831.3846.3+15.0
34841.3848.4+7.1
35865.4888.1+22.7
36890.9913.8+22.9
37918.8942.3+23.5
38938.6947.3+8.6
39940.0973.2+33.3
40956.9988.6+31.7
41975.71011.1+35.4
42980.61014.2+33.5
431009.51015.0+5.6
441051.61059.1+7.5
451059.81063.6+3.8
461103.11114.6+11.5
471118.21121.4+3.1
481134.21143.9+9.7
491172.51184.9+12.4
501178.31187.4+9.1
511193.81195.7+2.0
521198.31198.2-0.2
531223.11235.0+12.0
541238.51241.7+3.1
551250.61252.8+2.1
561295.51297.3+1.8
571326.91330.7+3.8
581338.01349.6+11.6
591358.11359.7+1.5
601402.71396.9-5.7
611420.51431.0+10.4
621452.41460.8+8.4
631475.41490.3+14.9
641484.71499.4+14.8
651503.01516.0+13.1
661521.31545.0+23.7
671544.41577.5+33.1
681633.31664.5+31.2
691657.71692.4+34.7
701663.51702.4+38.8
711667.11707.9+40.8
721670.51711.6+41.0
733182.03225.1+43.1
743187.23230.4+43.2
753189.93232.2+42.3
763197.93240.7+42.8
773198.63241.1+42.4
783204.43246.9+42.5
793210.03254.2+44.2
803229.13272.4+43.3
813232.83276.0+43.2

Second route

Analytic Hessian (pyscf, grid 99/590) against the corpus finite differences: b3lyp max |Δω| 6 cm⁻¹; wb97x max |Δω| 4 cm⁻¹.

Provenance

  • Releases: layerA2_2026-09-23, layerA2_2026-09-23b, layerA2_2026-09-24
  • Entered the corpus as: substituted three- and four-ring cores, enumerated from the parents (layer A′) (layer A2)
  • Run: ubuntu-32gb-hel1-9, 2026-09-21 23:00:27 → 2026-09-22 01:57:17, 10610 s, peak 8.69 GB, deck 97ed2d67c66b
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest