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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP=FULL/aug-cc-pVTZ

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=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-476.656308
Energy at 298.15K-476.660128
HF Energy-476.462379
Nuclear repulsion energy93.008578
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=FULL/aug-cc-pVTZ
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' 3156 3028 6.57      
2 A' 3100 2974 19.31      
3 A' 3037 2914 4.27      
4 A' 1494 1433 6.14      
5 A' 1401 1344 12.76      
6 A' 1387 1331 59.51      
7 A' 1171 1123 37.04      
8 A' 1091 1046 6.85      
9 A' 836 802 0.92      
10 A' 395 379 1.83      
11 A" 3086 2961 5.39      
12 A" 1487 1427 8.41      
13 A" 1055 1013 4.95      
14 A" 773 742 13.33      
15 A" 174 167 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 11821.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11341.2 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=FULL/aug-cc-pVTZ
ABC
1.64726 0.19149 0.17710

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.485 0.713 0.000
S3 0.874 -0.742 0.000
H4 0.518 1.579 0.000
H5 -1.946 -0.270 0.000
H6 -1.819 1.276 0.874
H7 -1.819 1.276 -0.874

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48791.62021.08762.14062.12142.1214
C21.48792.77142.18231.08531.09211.0921
S31.62022.77142.34782.85883.47653.4765
H41.08762.18232.34783.08022.51382.5138
H52.14061.08532.85883.08021.77991.7799
H62.12141.09213.47652.51381.77991.7488
H72.12141.09213.47652.51381.77991.7488

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.633 C1 C2 H6 109.671
C1 C2 H7 109.671 C2 C1 S3 126.119
C2 C1 H4 114.958 S3 C1 H4 118.923
H5 C2 H6 109.666 H5 C2 H7 109.666
H6 C2 H7 106.395
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability