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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP=FULLultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP=FULLultrafine/3-21G
 hartrees
Energy at 0K-474.097393
Energy at 298.15K 
HF Energy-474.010135
Nuclear repulsion energy91.324089
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 B2PLYP=FULLultrafine/3-21G
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' 3184 3184 11.46      
2 A' 3158 3158 7.51      
3 A' 3055 3055 1.63      
4 A' 1558 1558 8.22      
5 A' 1469 1469 14.49      
6 A' 1413 1413 42.15      
7 A' 1140 1140 11.09      
8 A' 1111 1111 37.70      
9 A' 807 807 0.24      
10 A' 400 400 1.72      
11 A" 3100 3100 6.18      
12 A" 1557 1557 13.55      
13 A" 1090 1090 1.84      
14 A" 791 791 27.78      
15 A" 163 163 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 11997.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11997.9 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 B2PLYP=FULLultrafine/3-21G
ABC
1.58553 0.18477 0.17073

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.653 0.000
C2 -1.496 0.746 0.000
S3 0.879 -0.773 0.000
H4 0.534 1.601 0.000
H5 -1.951 -0.244 0.000
H6 -1.834 1.306 0.881
H7 -1.834 1.306 -0.881

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49871.67491.08792.14722.13672.1367
C21.49872.81882.20231.08981.09741.0974
S31.67492.81882.39862.87853.52943.5294
H41.08792.20232.39863.09482.54332.5433
H52.14721.08982.87853.09481.78711.7871
H62.13671.09743.52942.54331.78711.7622
H72.13671.09743.52942.54331.78711.7622

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.116 C1 C2 H6 109.817
C1 C2 H7 109.817 C2 C1 S3 125.210
C2 C1 H4 115.829 S3 C1 H4 118.961
H5 C2 H6 109.587 H5 C2 H7 109.587
H6 C2 H7 106.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability