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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-476.054541
Energy at 298.15K-476.058352
HF Energy-475.594646
Nuclear repulsion energy92.601542
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 CCSD/6-311G**
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' 3166 3166 12.25      
2 A' 3119 3119 20.85      
3 A' 3047 3047 8.91      
4 A' 1507 1507 3.54      
5 A' 1430 1430 39.94      
6 A' 1411 1411 23.35      
7 A' 1196 1196 25.72      
8 A' 1104 1104 2.44      
9 A' 847 847 0.49      
10 A' 401 401 0.69      
11 A" 3109 3109 12.40      
12 A" 1496 1496 9.27      
13 A" 1059 1059 6.29      
14 A" 773 773 16.29      
15 A" 160 160 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 11912.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11912.0 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 CCSD/6-311G**
ABC
1.62597 0.18979 0.17552

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.502 0.704 0.000
S3 0.883 -0.736 0.000
H4 0.512 1.589 0.000
H5 -1.954 -0.290 0.000
H6 -1.841 1.261 0.883
H7 -1.841 1.261 -0.883

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50381.62051.09402.15612.13912.1391
C21.50382.78612.19931.09221.09791.0979
S31.62052.78612.35512.87163.49143.4914
H41.09402.19932.35513.10002.53392.5339
H52.15611.09222.87163.10001.78881.7888
H62.13911.09793.49142.53391.78881.7663
H72.13911.09793.49142.53391.78881.7663

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.325 C1 C2 H6 109.628
C1 C2 H7 109.628 C2 C1 S3 126.146
C2 C1 H4 114.771 S3 C1 H4 119.084
H5 C2 H6 109.531 H5 C2 H7 109.531
H6 C2 H7 107.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability