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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP3=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-476.353627
Energy at 298.15K-476.357474
HF Energy-475.609926
Nuclear repulsion energy93.383249
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/6-311+G(3df,2p)
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' 3200 3200 6.17      
2 A' 3149 3149 12.65      
3 A' 3078 3078 4.73      
4 A' 1515 1515 6.41      
5 A' 1428 1428 30.66      
6 A' 1413 1413 35.52      
7 A' 1208 1208 22.99      
8 A' 1107 1107 2.60      
9 A' 861 861 1.99      
10 A' 402 402 1.59      
11 A" 3137 3137 5.99      
12 A" 1505 1505 8.49      
13 A" 1069 1069 6.07      
14 A" 779 779 14.94      
15 A" 175 175 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 12013.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12013.6 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/6-311+G(3df,2p)
ABC
1.64944 0.19322 0.17860

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.617 0.000
C2 -1.489 0.695 0.000
S3 0.876 -0.729 0.000
H4 0.509 1.578 0.000
H5 -1.938 -0.292 0.000
H6 -1.829 1.250 0.874
H7 -1.829 1.250 -0.874

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49111.60631.08682.14102.12382.1238
C21.49112.76062.18451.08421.09021.0902
S31.60632.76062.33552.84813.46413.4641
H41.08682.18452.33553.07982.51772.5177
H52.14101.08422.84813.07981.77621.7762
H62.12381.09023.46412.51771.77621.7486
H72.12381.09023.46412.51771.77621.7486

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.499 C1 C2 H6 109.748
C1 C2 H7 109.748 C2 C1 S3 126.029
C2 C1 H4 114.959 S3 C1 H4 119.012
H5 C2 H6 109.544 H5 C2 H7 109.544
H6 C2 H7 106.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability