Spectrum Atlas

pyrene+ C16H10

P3c_cce0ad25a5 · SMILES c1cc2ccc3cccc4ccc(c1)c2c34 · InChIKey BBEAQIROQSPTKN-UHFFFAOYSA-N

Cheap level done

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

72 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
1102.1108.3+6.2
2147.9161.2+13.3
3204.6210.0+5.4
4247.5255.9+8.4
5257.3264.9+7.7
6352.9354.7+1.8
7399.2408.1+8.9
8413.3416.1+2.8
9458.6462.4+3.8
10471.5480.0+8.5
11485.6495.6+10.0
12500.0501.0+1.0
13504.1506.8+2.6
14537.9535.4-2.5
15543.4547.3+3.9
16550.2557.7+7.5
17604.3609.6+5.3
18678.7689.0+10.3
19695.4699.0+3.6
20700.7704.7+3.9
21742.9746.9+4.0
22770.2776.2+6.0
23784.5792.4+7.8
24816.2821.4+5.2
25832.7836.0+3.3
26837.7843.9+6.3
27843.9857.9+14.0
28879.8893.0+13.2
29946.4966.5+20.1
30960.5979.4+19.0
31987.51004.9+17.4
32996.61008.8+12.2
33999.61014.6+15.0
341003.51027.7+24.2
351008.21031.8+23.6
361014.21038.2+23.9
371103.71109.1+5.4
381130.91133.6+2.8
391148.31147.6-0.7
401175.41171.1-4.4
411181.21177.5-3.7
421210.91206.4-4.5
431223.41223.6+0.1
441244.91247.4+2.5
451255.01253.6-1.5
461274.11270.7-3.5
471276.21283.6+7.3
481373.21354.3-19.0
491387.31358.8-28.5
501390.21386.3-3.9
511438.71448.5+9.9
521461.71452.3-9.4
531467.21462.5-4.7
541477.01482.3+5.4
551478.11487.7+9.5
561528.71549.2+20.5
571533.71553.3+19.6
581577.41596.0+18.6
591593.71610.3+16.6
601602.01614.9+12.8
611605.21638.6+33.4
621671.71717.3+45.5
633206.63247.7+41.0
643207.13248.0+40.9
653208.13248.4+40.3
663209.63249.4+39.8
673211.73252.4+40.7
683212.43252.9+40.5
693218.93260.0+41.1
703220.73261.2+40.6
713233.13272.9+39.9
723233.83273.9+40.1

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, 2026-10-13 23:57:56 → 2026-10-14 03:02:04, 11047 s, peak 5.86 GB, deck 37f37863836d
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest