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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-475.989911
Energy at 298.15K-475.993740
HF Energy-475.559917
Nuclear repulsion energy92.923322
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 MP2=FULL/6-31+G**
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' 3244 3046 6.60      
2 A' 3172 2979 21.55      
3 A' 3108 2919 6.29      
4 A' 1528 1435 6.51      
5 A' 1442 1355 34.65      
6 A' 1426 1339 23.53      
7 A' 1216 1142 17.50      
8 A' 1116 1048 1.38      
9 A' 857 805 2.95      
10 A' 407 382 0.69      
11 A" 3189 2995 7.12      
12 A" 1515 1423 10.04      
13 A" 1072 1007 8.66      
14 A" 780 733 17.18      
15 A" 165 155 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 12117.5 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 11380.7 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 MP2=FULL/6-31+G**
ABC
1.63870 0.19118 0.17677

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.491 0.708 0.000
S3 0.877 -0.739 0.000
H4 0.516 1.583 0.000
H5 -1.943 -0.280 0.000
H6 -1.829 1.263 0.877
H7 -1.829 1.263 -0.877

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49351.61981.08942.14242.12682.1268
C21.49352.77502.18951.08621.09131.0913
S31.61982.77502.34902.85693.47813.4781
H41.08942.18952.34903.08462.52422.5242
H52.14241.08622.85693.08461.77811.7781
H62.12681.09133.47812.52421.77811.7539
H72.12681.09133.47812.52421.77811.7539

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.315 C1 C2 H6 109.755
C1 C2 H7 109.755 C2 C1 S3 126.039
C2 C1 H4 115.028 S3 C1 H4 118.933
H5 C2 H6 109.485 H5 C2 H7 109.485
H6 C2 H7 106.944
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability