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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2=FULL/daug-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 MP2=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-476.027738
Energy at 298.15K-476.031556
HF Energy-475.583052
Nuclear repulsion energy92.262948
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/daug-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' 3186 3186 5.77      
2 A' 3118 3118 20.39      
3 A' 3049 3049 5.53      
4 A' 1473 1473 6.07      
5 A' 1384 1384 54.10      
6 A' 1371 1371 7.70      
7 A' 1191 1191 16.31      
8 A' 1082 1082 1.80      
9 A' 841 841 3.35      
10 A' 396 396 1.30      
11 A" 3128 3128 5.87      
12 A" 1463 1463 8.13      
13 A" 1036 1036 6.94      
14 A" 760 760 14.09      
15 A" 175 175 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 11826.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11826.8 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 MP2=FULL/daug-cc-pVDZ
ABC
1.60638 0.18900 0.17463

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.630 0.000
C2 -1.498 0.713 0.000
S3 0.880 -0.746 0.000
H4 0.525 1.598 0.000
H5 -1.954 -0.285 0.000
H6 -1.836 1.278 0.885
H7 -1.836 1.278 -0.885

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49991.63331.10092.15742.13842.1384
C21.49992.78972.20781.09701.10281.1028
S31.63332.78972.36992.87153.50083.5008
H41.10092.20782.36993.11272.54162.5416
H52.15741.09702.87153.11271.79951.7995
H62.13841.10283.50082.54161.79951.7694
H72.13841.10283.50082.54161.79951.7694

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.405 C1 C2 H6 109.546
C1 C2 H7 109.546 C2 C1 S3 125.789
C2 C1 H4 115.328 S3 C1 H4 118.883
H5 C2 H6 109.775 H5 C2 H7 109.775
H6 C2 H7 106.678
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability