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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-476.146861
Energy at 298.15K-476.150684
HF Energy-475.588585
Nuclear repulsion energy92.857524
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/6-311G*
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' 3198 3029 7.38      
2 A' 3124 2958 23.93      
3 A' 3069 2906 4.89      
4 A' 1524 1444 5.90      
5 A' 1433 1357 35.55      
6 A' 1421 1346 31.71      
7 A' 1212 1148 20.04      
8 A' 1115 1056 2.13      
9 A' 856 811 3.13      
10 A' 408 386 0.59      
11 A" 3142 2976 7.74      
12 A" 1510 1430 14.02      
13 A" 1070 1013 5.90      
14 A" 778 736 23.56      
15 A" 162 153 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 12009.8 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 11374.5 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 MP2=FULL/6-311G*
ABC
1.63597 0.19095 0.17657

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.621 0.000
C2 -1.493 0.706 0.000
S3 0.878 -0.737 0.000
H4 0.520 1.584 0.000
H5 -1.948 -0.284 0.000
H6 -1.834 1.264 0.879
H7 -1.834 1.264 -0.879

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49561.61791.09402.14772.13312.1331
C21.49562.77642.19621.08951.09511.0951
S31.61792.77642.34862.86213.48373.4837
H41.09402.19622.34863.09482.53352.5335
H52.14771.08952.86213.09481.78331.7833
H62.13311.09513.48372.53351.78331.7574
H72.13311.09513.48372.53351.78331.7574

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.390 C1 C2 H6 109.880
C1 C2 H7 109.880 C2 C1 S3 126.141
C2 C1 H4 115.131 S3 C1 H4 118.729
H5 C2 H6 109.429 H5 C2 H7 109.429
H6 C2 H7 106.719
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability