Spectrum Atlas

pyridine+CH3+F+ C6H6FN

P3c_0617e12945 · SMILES Cc1cccc(F)n1 · InChIKey UDMNVTJFUISBFD-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)

36 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
154.2121.5+67.3
2113.9147.8+33.9
3199.8211.4+11.6
4311.3317.8+6.4
5376.1386.4+10.3
6465.3469.0+3.7
7518.8521.6+2.8
8540.9549.4+8.5
9546.9566.7+19.8
10627.7645.8+18.1
11718.2724.8+6.6
12790.7809.0+18.3
13868.2900.3+32.1
14924.0937.1+13.1
15982.4992.5+10.2
161012.81026.6+13.8
171015.81032.5+16.7
181038.81046.5+7.7
191122.41129.2+6.8
201174.91164.5-10.4
211241.81252.7+11.0
221361.61376.1+14.4
231388.01395.7+7.7
241411.01431.1+20.1
251451.51454.3+2.8
261454.01467.5+13.6
271466.11469.9+3.9
281512.31522.5+10.1
291534.91556.1+21.2
301578.21608.5+30.3
313015.63052.7+37.1
323055.03109.8+54.8
333193.73235.1+41.4
343228.43266.8+38.4
353239.03276.6+37.6
363247.33285.0+37.7

Second route

Analytic Hessian (pyscf, grid 99/590) against the corpus finite differences: b3lyp max |Δω| 3 cm⁻¹; wb97x max |Δω| 12 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 09:04:43 → 2026-10-08 09:30:07, 1523 s, peak 1.77 GB, deck 37f37863836d
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest