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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-475.915221
Energy at 298.15K-475.919090
HF Energy-475.551589
Nuclear repulsion energy93.106109
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 CID/6-31G*
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' 3255 3006 8.90      
2 A' 3211 2966 15.64      
3 A' 3129 2890 5.57      
4 A' 1567 1447 4.23      
5 A' 1491 1377 38.56      
6 A' 1470 1358 31.28      
7 A' 1238 1143 27.92      
8 A' 1146 1058 4.16      
9 A' 882 814 0.52      
10 A' 415 384 1.75      
11 A" 3191 2948 9.79      
12 A" 1555 1436 10.42      
13 A" 1112 1027 4.11      
14 A" 806 744 16.32      
15 A" 172 158 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 12318.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 11378.5 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 CID/6-31G*
ABC
1.64669 0.19180 0.17742

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.618 0.000
C2 -1.493 0.701 0.000
S3 0.879 -0.732 0.000
H4 0.511 1.580 0.000
H5 -1.945 -0.288 0.000
H6 -1.833 1.257 0.878
H7 -1.833 1.257 -0.878

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49531.61061.08932.14542.13042.1304
C21.49532.77112.18781.08761.09341.0934
S31.61062.77112.34112.85823.47543.4754
H41.08932.18782.34113.08522.52332.5233
H52.14541.08762.85823.08521.78051.7805
H62.13041.09343.47542.52331.78051.7569
H72.13041.09343.47542.52331.78051.7569

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.350 C1 C2 H6 109.792
C1 C2 H7 109.792 C2 C1 S3 126.265
C2 C1 H4 114.751 S3 C1 H4 118.984
H5 C2 H6 109.445 H5 C2 H7 109.445
H6 C2 H7 106.913
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability