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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2/daug-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 MP2/daug-cc-pVTZ
 hartrees
Energy at 0K-476.135158
Energy at 298.15K-476.138968
HF Energy-475.616378
Nuclear repulsion energy93.006216
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 MP2/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3184 3184 3.98      
2 A' 3107 3107 17.19      
3 A' 3054 3054 3.72      
4 A' 1497 1497 6.79      
5 A' 1398 1398 21.12      
6 A' 1385 1385 39.98      
7 A' 1190 1190 18.73      
8 A' 1090 1090 2.15      
9 A' 844 844 3.18      
10 A' 394 394 1.32      
11 A" 3127 3127 3.88      
12 A" 1491 1491 8.28      
13 A" 1052 1052 5.75      
14 A" 765 765 14.54      
15 A" 174 174 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 11876.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11876.0 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 MP2/daug-cc-pVTZ
ABC
1.63015 0.19203 0.17739

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.625 0.000
C2 -1.489 0.703 0.000
S3 0.876 -0.737 0.000
H4 0.517 1.586 0.000
H5 -1.935 -0.288 0.000
H6 -1.828 1.260 0.876
H7 -1.828 1.260 -0.876

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49121.61921.09082.14002.12412.1241
C21.49122.76842.19221.08671.09251.0925
S31.61922.76842.34982.84623.47323.4732
H41.09082.19222.34983.08652.52472.5247
H52.14001.08672.84623.08651.78251.7825
H62.12411.09253.47322.52471.78251.7530
H72.12411.09253.47322.52471.78251.7530

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.256 C1 C2 H6 109.630
C1 C2 H7 109.630 C2 C1 S3 125.704
C2 C1 H4 115.342 S3 C1 H4 118.954
H5 C2 H6 109.759 H5 C2 H7 109.759
H6 C2 H7 106.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability