Spectrum Atlas

phenanthridine+CF3 C14H8F3N

A2_0420908ebe · SMILES FC(F)(F)c1cccc2ncc3ccccc3c12 · InChIKey JFSXTLFBXTVESK-UHFFFAOYSA-N

Cheap level done imaginary mode confirmedanalytic check agrees

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
1-39.438.8+78.1
275.090.8+15.9
3124.2140.8+16.6
4148.1163.4+15.3
5160.2165.5+5.3
6230.9237.4+6.5
7236.7241.6+4.9
8242.9255.2+12.3
9329.8336.2+6.4
10348.6356.6+7.9
11362.3367.2+4.9
12418.4433.4+14.9
13436.1437.9+1.8
14485.1491.4+6.3
15491.3502.7+11.4
16512.4522.1+9.7
17522.7527.8+5.1
18543.1548.9+5.8
19558.7566.9+8.1
20583.1595.3+12.2
21599.2604.1+4.8
22648.0652.4+4.4
23677.1689.8+12.6
24711.3716.8+5.5
25734.0749.3+15.3
26743.9749.7+5.8
27761.0769.8+8.8
28793.1800.4+7.2
29795.5811.5+16.1
30837.1857.7+20.5
31867.8875.7+7.9
32869.5889.5+19.9
33942.9956.5+13.6
34944.2964.4+20.2
35951.1975.5+24.4
36972.3999.1+26.9
37995.01020.8+25.8
38997.61022.9+25.3
391012.51030.0+17.5
401084.01092.1+8.0
411112.71120.4+7.7
421129.01138.0+9.0
431167.71173.1+5.4
441171.61182.7+11.1
451191.31197.4+6.1
461199.51208.7+9.1
471221.51228.9+7.4
481243.41251.5+8.1
491278.31283.9+5.5
501297.91307.1+9.2
511316.31319.1+2.9
521323.91341.3+17.4
531353.21362.8+9.5
541392.21382.1-10.1
551428.41440.2+11.8
561446.31458.3+12.0
571492.31510.8+18.5
581499.31514.7+15.4
591539.41562.9+23.5
601585.51614.2+28.8
611627.71662.2+34.4
621651.71691.0+39.4
631666.71697.5+30.8
641679.11717.9+38.8
653140.23185.6+45.4
663184.63227.7+43.1
673194.83237.5+42.7
683206.03248.2+42.2
693211.93254.8+42.9
703228.03269.8+41.8
713254.33298.4+44.0
723362.53407.9+45.4

Second route

Analytic Hessian (pyscf, grid 99/590) against the corpus finite differences: b3lyp max |Δω| 6 cm⁻¹; wb97x max |Δω| 3 cm⁻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-hel1-12, 2026-09-20 02:07:01 → 2026-09-20 04:02:25, 6923 s, peak 6.91 GB, deck 97ed2d67c66b
  • Imaginary modes: B3LYP 1, ωB97X 0
  • Source files: corpus factory · manifest