Spectrum Atlas

benzothiophene+CONH2 C9H7NOS

B_0bc36211ee · SMILES NC(=O)c1csc2ccccc12 · InChIKey QXJDOADTRZGPJZ-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)

51 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
163.089.3+26.3
2113.7125.1+11.4
3165.1174.3+9.3
4205.0220.2+15.3
5225.1237.6+12.5
6320.0326.9+6.9
7375.8380.4+4.6
8410.5421.3+10.8
9429.1437.6+8.5
10447.8457.4+9.6
11482.0496.4+14.4
12507.4515.2+7.8
13538.0551.5+13.4
14581.2588.2+7.0
15605.1618.4+13.3
16656.8665.5+8.7
17716.3725.4+9.1
18734.9752.0+17.2
19759.9770.9+10.9
20767.7777.5+9.8
21783.2798.2+15.0
22822.9852.2+29.2
23859.6878.2+18.7
24877.5893.2+15.7
25954.2981.6+27.4
26994.91022.4+27.4
271012.21023.7+11.5
281052.21062.8+10.6
291079.71094.4+14.7
301111.81127.1+15.3
311161.41168.9+7.5
321187.31186.3-1.0
331208.61212.3+3.7
341292.41298.2+5.8
351324.01333.7+9.6
361365.81340.8-25.0
371412.11443.0+30.9
381473.01486.0+13.0
391506.01528.1+22.1
401557.61588.3+30.7
411613.51648.1+34.6
421644.61663.1+18.5
431651.21691.3+40.1
441778.81811.1+32.3
453188.23231.1+42.9
463200.33243.2+42.8
473211.43254.1+42.7
483246.53289.9+43.4
493260.33303.8+43.5
503573.23621.6+48.4
513691.93740.9+49.0

Second route

Analytic Hessian (pyscf, grid 99/590) against the corpus finite differences: b3lyp max |Δω| 1 cm⁻¹; wb97x max |Δω| 11 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-hel1-21, 2026-09-27 21:34:04 → 2026-09-27 22:20:13, 2768 s, peak 3.83 GB, deck 9e27bf8e9348
  • Imaginary modes: B3LYP 0, ωB97X 0
  • Source files: corpus factory · manifest