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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2=FULL/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-476.084386
Energy at 298.15K-476.088228
HF Energy-475.568777
Nuclear repulsion energy93.184111
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/6-31G(2df,p)
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' 3239 3044 2.50      
2 A' 3152 2963 13.24      
3 A' 3101 2915 1.51      
4 A' 1520 1428 4.58      
5 A' 1416 1331 25.94      
6 A' 1399 1315 39.62      
7 A' 1209 1136 16.82      
8 A' 1101 1035 2.69      
9 A' 854 803 3.01      
10 A' 400 376 1.51      
11 A" 3180 2989 2.55      
12 A" 1513 1422 8.59      
13 A" 1064 1000 2.76      
14 A" 781 734 13.93      
15 A" 180 169 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 12053.9 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 11329.4 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/6-31G(2df,p)
ABC
1.64264 0.19253 0.17794

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.620 0.000
C2 -1.488 0.701 0.000
S3 0.876 -0.734 0.000
H4 0.511 1.584 0.000
H5 -1.939 -0.287 0.000
H6 -1.827 1.259 0.875
H7 -1.827 1.259 -0.875

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49001.61271.09082.14122.12382.1238
C21.49002.76472.18511.08621.09191.0919
S31.61272.76472.34672.85003.46983.4698
H41.09082.18512.34673.08302.51702.5170
H52.14121.08622.85003.08301.78021.7802
H62.12381.09193.46982.51701.78021.7503
H72.12381.09193.46982.51701.78021.7503

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.469 C1 C2 H6 109.726
C1 C2 H7 109.726 C2 C1 S3 125.972
C2 C1 H4 114.826 S3 C1 H4 119.202
H5 C2 H6 109.627 H5 C2 H7 109.627
H6 C2 H7 106.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability