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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-476.220681
Energy at 298.15K-476.224556
HF Energy-475.615237
Nuclear repulsion energy93.437806
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=FULL/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' 3196 2981 10.32      
2 A' 3172 2958 9.81      
3 A' 3086 2878 4.87      
4 A' 1518 1416 5.85      
5 A' 1431 1335 47.50      
6 A' 1418 1322 14.35      
7 A' 1211 1130 23.42      
8 A' 1110 1035 2.50      
9 A' 862 804 2.19      
10 A' 401 374 1.89      
11 A" 3132 2921 6.89      
12 A" 1510 1408 8.51      
13 A" 1078 1005 5.63      
14 A" 796 743 13.81      
15 A" 187 175 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 12053.9 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 11241.5 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=FULL/cc-pVTZ
ABC
1.65142 0.19346 0.17882

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.620 0.000
C2 -1.486 0.698 0.000
S3 0.874 -0.731 0.000
H4 0.508 1.574 0.000
H5 -1.929 -0.289 0.000
H6 -1.825 1.251 0.873
H7 -1.825 1.251 -0.873

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48781.60951.08042.13262.11922.1192
C21.48782.75862.17771.08161.08771.0877
S31.60952.75862.33402.83773.46063.4606
H41.08042.17772.33403.06732.51202.5120
H52.13261.08162.83773.06731.77291.7729
H62.11921.08773.46062.51201.77291.7459
H72.11921.08773.46062.51201.77291.7459

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.213 C1 C2 H6 109.763
C1 C2 H7 109.763 C2 C1 S3 125.871
C2 C1 H4 115.059 S3 C1 H4 119.070
H5 C2 H6 109.625 H5 C2 H7 109.625
H6 C2 H7 106.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability