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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-476.162199
Energy at 298.15K-476.166041
HF Energy-475.616385
Nuclear repulsion energy93.079589
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3169 3033 6.57      
2 A' 3121 2987 13.13      
3 A' 3048 2917 5.92      
4 A' 1511 1446 6.03      
5 A' 1424 1363 26.39      
6 A' 1410 1350 34.78      
7 A' 1199 1148 22.26      
8 A' 1104 1057 2.58      
9 A' 854 817 1.88      
10 A' 397 380 1.70      
11 A" 3108 2974 6.71      
12 A" 1502 1438 7.75      
13 A" 1069 1023 5.85      
14 A" 775 742 14.34      
15 A" 177 169 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 11934.1 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 11420.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/aug-cc-pVTZ
ABC
1.63627 0.19206 0.17750

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.621 0.000
C2 -1.493 0.698 0.000
S3 0.878 -0.732 0.000
H4 0.512 1.582 0.000
H5 -1.940 -0.293 0.000
H6 -1.834 1.254 0.877
H7 -1.834 1.254 -0.877

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49501.61331.08892.14442.12872.1287
C21.49502.76902.19171.08711.09301.0930
S31.61332.76902.34302.85173.47373.4737
H41.08892.19172.34303.08692.52602.5260
H52.14441.08712.85173.08691.78161.7816
H62.12871.09303.47372.52601.78161.7549
H72.12871.09303.47372.52601.78161.7549

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.322 C1 C2 H6 109.704
C1 C2 H7 109.704 C2 C1 S3 125.913
C2 C1 H4 115.130 S3 C1 H4 118.957
H5 C2 H6 109.609 H5 C2 H7 109.609
H6 C2 H7 106.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability