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All results from a given calculation for CH3CHS (Thioacetaldehyde)

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

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-pVDZ
 hartrees
Energy at 0K-476.575942
Energy at 298.15K-476.579744
HF Energy-476.427357
Nuclear repulsion energy92.292362
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-pVDZ
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' 3168 3047 6.94      
2 A' 3105 2987 21.22      
3 A' 3036 2920 4.81      
4 A' 1464 1408 6.25      
5 A' 1378 1325 54.28      
6 A' 1369 1316 20.94      
7 A' 1169 1125 33.12      
8 A' 1077 1036 6.97      
9 A' 833 801 0.85      
10 A' 395 380 1.86      
11 A" 3097 2979 6.39      
12 A" 1455 1399 8.37      
13 A" 1036 996 5.36      
14 A" 761 731 13.02      
15 A" 171 165 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 11756.9 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 11307.8 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-pVDZ
ABC
1.62089 0.18870 0.17452

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.628 0.000
C2 -1.493 0.722 0.000
S3 0.878 -0.750 0.000
H4 0.529 1.591 0.000
H5 -1.959 -0.269 0.000
H6 -1.827 1.292 0.882
H7 -1.827 1.292 -0.882

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49641.63401.09932.15452.13462.1346
C21.49642.79152.20111.09511.10171.1017
S31.63402.79152.36772.87773.50203.5020
H41.09932.20112.36773.10652.53322.5332
H52.15451.09512.87773.10651.79751.7975
H62.13461.10173.50202.53321.79751.7647
H72.13461.10173.50202.53321.79751.7647

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.544 C1 C2 H6 109.552
C1 C2 H7 109.552 C2 C1 S3 126.125
C2 C1 H4 115.128 S3 C1 H4 118.747
H5 C2 H6 109.817 H5 C2 H7 109.817
H6 C2 H7 106.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability