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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-476.684486
Energy at 298.15K-476.688302
HF Energy-476.456118
Nuclear repulsion energy93.076715
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 B2PLYP=FULL/6-311+G(3df,2p)
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' 3160 3160 6.28      
2 A' 3089 3089 20.23      
3 A' 3036 3036 3.88      
4 A' 1494 1494 6.28      
5 A' 1402 1402 12.84      
6 A' 1384 1384 61.24      
7 A' 1172 1172 37.43      
8 A' 1090 1090 5.93      
9 A' 837 837 0.97      
10 A' 397 397 1.68      
11 A" 3088 3088 5.49      
12 A" 1487 1487 8.64      
13 A" 1053 1053 5.07      
14 A" 772 772 13.50      
15 A" 173 173 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 11816.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11816.9 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 B2PLYP=FULL/6-311+G(3df,2p)
ABC
1.64949 0.19172 0.17733

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.620 0.000
C2 -1.487 0.709 0.000
S3 0.875 -0.739 0.000
H4 0.516 1.579 0.000
H5 -1.948 -0.274 0.000
H6 -1.822 1.271 0.874
H7 -1.822 1.271 -0.874

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48971.61581.08972.14302.12332.1233
C21.48972.77022.18411.08541.09221.0922
S31.61582.77022.34582.86083.47533.4753
H41.08972.18412.34583.08322.51522.5152
H52.14301.08542.86083.08321.77971.7797
H62.12331.09223.47532.51521.77971.7485
H72.12331.09223.47532.51521.77971.7485

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.698 C1 C2 H6 109.694
C1 C2 H7 109.694 C2 C1 S3 126.212
C2 C1 H4 114.843 S3 C1 H4 118.945
H5 C2 H6 109.631 H5 C2 H7 109.631
H6 C2 H7 106.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability