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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-476.052112
Energy at 298.15K-476.055946
HF Energy-475.597814
Nuclear repulsion energy92.935217
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 MP3/TZVP
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' 3204 2996 12.56      
2 A' 3168 2963 14.50      
3 A' 3081 2881 8.47      
4 A' 1517 1419 5.46      
5 A' 1441 1347 29.85      
6 A' 1426 1333 22.07      
7 A' 1206 1128 21.08      
8 A' 1116 1043 1.25      
9 A' 857 802 2.07      
10 A' 406 379 1.34      
11 A" 3142 2938 11.06      
12 A" 1495 1398 8.76      
13 A" 1074 1004 8.02      
14 A" 779 729 13.26      
15 A" 164 153 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 12037.5 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 11257.5 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 MP3/TZVP
ABC
1.63225 0.19141 0.17691

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.624 0.000
C2 -1.494 0.702 0.000
S3 0.879 -0.735 0.000
H4 0.510 1.584 0.000
H5 -1.941 -0.289 0.000
H6 -1.834 1.255 0.878
H7 -1.834 1.255 -0.878

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49561.61861.08732.14482.12942.1294
C21.49562.77342.18971.08671.09251.0925
S31.61862.77342.34852.85463.47733.4773
H41.08732.18972.34853.08492.52552.5255
H52.14481.08672.85463.08491.77911.7791
H62.12941.09253.47732.52551.77911.7567
H72.12941.09253.47732.52551.77911.7567

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.331 C1 C2 H6 109.739
C1 C2 H7 109.739 C2 C1 S3 125.847
C2 C1 H4 115.024 S3 C1 H4 119.130
H5 C2 H6 109.454 H5 C2 H7 109.454
H6 C2 H7 107.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability