Spectrum Atlas

pyridine+CF3+vinyl C8H6F3N

B_1ea2112c1f · SMILES C=Cc1ccc(C(F)(F)F)cn1 · InChIKey MJCNJWLJTBXLFW-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
125.763.7+38.0
268.881.4+12.6
3126.1127.7+1.6
4149.4155.0+5.6
5217.5218.0+0.4
6240.8246.8+6.0
7304.1307.5+3.5
8387.7391.8+4.1
9395.5400.2+4.7
10417.0427.1+10.1
11486.0492.4+6.4
12491.6493.9+2.3
13573.7579.1+5.4
14595.8603.1+7.3
15632.1637.6+5.5
16652.4657.0+4.6
17664.4670.5+6.2
18746.3752.9+6.5
19809.6823.0+13.4
20837.4846.6+9.2
21876.0890.9+14.9
22965.3978.3+13.0
23972.41001.0+28.6
24988.51016.7+28.1
251032.01037.1+5.1
261032.41042.4+10.0
271058.31058.2-0.1
281106.41117.8+11.4
291165.51172.0+6.5
301188.31213.3+25.0
311208.31216.9+8.6
321244.21259.4+15.2
331311.01282.9-28.1
341345.31347.8+2.5
351352.01357.4+5.4
361356.51378.5+22.1
371426.71443.2+16.5
381464.31469.9+5.5
391536.31561.3+25.0
401613.01645.8+32.8
411658.71702.6+43.9
421712.61745.9+33.2
433167.53208.4+40.9
443182.73223.7+41.0
453191.73235.3+43.6
463202.53246.0+43.4
473222.63265.5+42.9
483268.83311.9+43.2

Second route

Analytic Hessian (pyscf, grid 99/590) against the corpus finite differences: b3lyp max |Δω| 4 cm⁻¹; wb97x max |Δω| 8 cm⁻¹.

Provenance

  • Releases: none yet
  • Entered the corpus as: cores with one or two substituents, enumerated from the parents (layer B)
  • Run: ubuntu-32gb-hel1-16, 2026-09-28 07:58:12 → 2026-09-28 08:28:53, 1840 s, peak 3.31 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest