Spectrum Atlas

benzene+CN+SH C7H5NS

B_19a3f44ae4 · SMILES N#Cc1ccc(S)cc1 · InChIKey MVPUXVBBHWUOFS-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
187.6102.7+15.1
2141.7163.7+22.0
3152.0243.7+91.7
4235.8263.8+28.0
5283.0296.1+13.1
6350.6354.2+3.7
7409.5420.6+11.1
8450.4469.1+18.6
9557.8573.8+16.1
10561.8576.0+14.3
11587.8596.5+8.7
12657.0662.7+5.7
13721.8742.0+20.1
14796.8807.4+10.7
15831.7850.0+18.2
16843.4862.5+19.1
17946.1970.5+24.4
18962.2990.2+28.0
19971.81000.2+28.4
201035.51041.7+6.2
211120.21141.4+21.2
221152.91154.1+1.1
231215.91218.7+2.8
241240.51255.9+15.4
251331.21288.0-43.2
261346.11345.1-1.0
271453.71465.2+11.5
281539.81555.2+15.4
291602.61636.1+33.5
301655.11695.7+40.6
312346.02386.1+40.1
322697.32741.3+43.9
333198.73241.7+43.0
343201.23243.9+42.7
353221.13262.9+41.8
363222.63264.5+41.9

Second route

Analytic Hessian (pyscf, grid 99/590) against the corpus finite differences: b3lyp max |Δω| 2 cm⁻¹; wb97x max |Δω| 5 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 02:30:30 → 2026-09-28 02:45:35, 905 s, peak 2.27 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest