Spectrum Atlas

phenanthrene+CONH2+ C15H11NO

P3c_09d0b3be91 · SMILES NC(=O)c1cccc2ccc3ccccc3c12 · InChIKey UEUACIVGVQMCNP-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)

78 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
124.758.1+33.5
259.280.0+20.9
395.5107.9+12.4
4132.7145.2+12.6
5151.6162.1+10.5
6209.6221.7+12.1
7221.1231.8+10.7
8262.5271.2+8.7
9301.5312.5+11.0
10337.3348.6+11.3
11366.5403.2+36.6
12400.6405.4+4.8
13416.5421.0+4.5
14447.8459.2+11.5
15467.5474.5+7.0
16492.1491.8-0.3
17502.7503.6+0.9
18542.7553.4+10.6
19550.2557.7+7.5
20587.4597.6+10.2
21602.4624.2+21.9
22641.0649.0+8.0
23661.0670.0+9.0
24708.4718.8+10.4
25725.2730.6+5.5
26767.9775.8+7.9
27773.5787.0+13.5
28780.0790.7+10.7
29785.4800.6+15.2
30817.2829.1+11.9
31853.6857.4+3.8
32867.2885.1+17.9
33913.8929.6+15.8
34952.0971.3+19.3
35972.0978.3+6.3
36985.21007.0+21.8
37998.01010.4+12.5
381003.41024.3+20.9
391006.61032.6+26.0
401021.01049.8+28.7
411075.91086.2+10.2
421097.61122.2+24.6
431128.91137.8+8.9
441145.41154.7+9.3
451174.11160.3-13.8
461178.11183.7+5.6
471199.61196.2-3.4
481225.71229.4+3.8
491255.61250.9-4.7
501259.91261.9+2.0
511297.51292.1-5.4
521334.81323.7-11.0
531356.61347.5-9.1
541380.71386.3+5.6
551399.51421.5+22.0
561434.31464.0+29.7
571465.91476.4+10.6
581476.41490.2+13.8
591482.31496.3+14.0
601548.71558.7+10.0
611557.41586.9+29.5
621567.11591.4+24.3
631594.01609.3+15.3
641606.81623.5+16.7
651639.11668.0+28.9
661646.91684.5+37.7
671762.81813.0+50.1
683207.43249.3+41.9
693210.13251.1+41.0
703210.93251.2+40.3
713214.03254.6+40.6
723218.03258.7+40.7
733221.43262.0+40.7
743235.73275.6+39.9
753236.23275.7+39.5
763270.83313.2+42.4
773570.03615.3+45.3
783696.23742.3+46.1

Second route

Analytic Hessian (pyscf, grid 99/590) against the corpus finite differences: b3lyp max |Δω| 2 cm⁻¹; wb97x max |Δω| 4 cm⁻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, 2026-10-08 19:17:08 → 2026-10-09 00:24:25, 18436 s, peak 6.71 GB, deck 37f37863836d
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest