Spectrum Atlas

quinoline+OH C9H7NO

B_0399263529 · SMILES Oc1ccnc2ccccc12 · InChIKey PMZDQRJGMBOQBF-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)

48 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
1101.8129.5+27.8
2173.8192.1+18.3
3262.3271.9+9.5
4272.4309.9+37.5
5301.7351.5+49.8
6435.7451.9+16.2
7480.4486.4+6.0
8482.9493.0+10.1
9494.7501.4+6.8
10532.5538.8+6.2
11582.0586.2+4.2
12598.9612.9+13.9
13655.3671.3+16.0
14729.9737.6+7.7
15764.0778.1+14.1
16787.9807.5+19.6
17823.6828.1+4.4
18852.2868.7+16.5
19866.5892.8+26.3
20890.8900.9+10.1
21942.7971.7+28.9
22979.21002.6+23.3
23997.61030.3+32.7
241049.11055.4+6.3
251066.91077.7+10.7
261119.71126.2+6.4
271170.61167.1-3.5
281199.01198.6-0.4
291217.61229.4+11.8
301256.71253.7-3.0
311310.11311.2+1.2
321321.91326.6+4.8
331388.31396.0+7.7
341410.71419.7+9.0
351441.51452.8+11.3
361482.31492.2+9.8
371512.01531.0+19.0
381565.01593.4+28.3
391619.71655.4+35.7
401664.31690.3+25.9
411683.31727.8+44.4
423149.63198.0+48.4
433163.73207.6+43.9
443192.03234.8+42.8
453207.13249.8+42.7
463221.53264.4+42.9
473225.83268.8+42.9
483765.23804.8+39.6

Second route

Analytic Hessian (pyscf, grid 99/590) against the corpus finite differences: b3lyp max |Δω| 0 cm⁻¹; wb97x max |Δω| 5 cm⁻¹.

Provenance

  • Releases: layerB_interim_2026-09-25
  • Entered the corpus as: cores with one or two substituents, enumerated from the parents (layer B)
  • Run: ubuntu-32gb-hel1-18, 2026-09-25 13:30:09 → 2026-09-25 14:00:44, 1834 s, peak 3.28 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest