Spectrum Atlas

pyrene+Cl C16H9Cl

A2_93b01a9fe6 · SMILES Clc1cc2ccc3cccc4ccc(c1)c2c34 · InChIKey DFVQWJMAJLJZAA-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
165.178.1+13.0
2154.6173.0+18.4
3164.7173.2+8.5
4190.1197.2+7.2
5222.5227.7+5.2
6252.6260.9+8.3
7313.1313.9+0.8
8328.7342.6+13.8
9396.5402.5+6.0
10403.7419.3+15.5
11473.5476.1+2.6
12497.9503.0+5.1
13511.1516.3+5.2
14511.8516.8+5.1
15512.8524.8+12.0
16538.8549.2+10.4
17543.1552.0+8.8
18566.3568.2+1.9
19595.4616.9+21.6
20611.5619.4+7.9
21688.0701.6+13.6
22722.4735.4+13.1
23753.7759.1+5.4
24770.8775.6+4.8
25773.9785.8+12.0
26816.8831.1+14.3
27822.4836.2+13.9
28830.0837.5+7.5
29851.7868.4+16.7
30881.6894.6+13.0
31883.6910.5+26.9
32884.5914.4+29.9
33914.3941.9+27.7
34969.41002.1+32.7
35975.11007.3+32.2
36984.31010.1+25.8
37999.61016.7+17.1
381014.71023.3+8.5
391107.91116.1+8.1
401136.01140.5+4.5
411138.11144.0+5.9
421179.21152.6-26.5
431186.21180.2-6.0
441213.21214.2+1.0
451233.81233.4-0.3
461267.11267.4+0.3
471278.61286.5+8.0
481285.21298.1+12.9
491358.11316.2-41.9
501363.91378.2+14.3
511411.91397.5-14.4
521422.21424.5+2.3
531443.51468.5+25.0
541463.81477.0+13.2
551472.61484.1+11.5
561496.21522.7+26.5
571510.61548.1+37.5
581544.41569.8+25.4
591605.81632.2+26.5
601635.31677.6+42.3
611645.71682.9+37.2
621660.41687.7+27.3
631686.01733.3+47.3
643179.43223.3+43.9
653179.93223.6+43.8
663181.23224.3+43.1
673188.33231.7+43.4
683197.83241.0+43.3
693199.43243.1+43.7
703207.13249.1+42.0
713214.53257.6+43.1
723215.83257.8+42.1

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 23:41:42 → 2026-10-04 02:00:37, 8335 s, peak 6.54 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest