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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2/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/daug-cc-pVDZ
 hartrees
Energy at 0K-476.013277
Energy at 298.15K-476.017090
HF Energy-475.582905
Nuclear repulsion energy92.162675
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/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' 3181 3181 5.88      
2 A' 3113 3113 20.34      
3 A' 3044 3044 5.67      
4 A' 1471 1471 5.92      
5 A' 1382 1382 54.02      
6 A' 1370 1370 6.81      
7 A' 1189 1189 16.68      
8 A' 1081 1081 1.80      
9 A' 840 840 3.31      
10 A' 396 396 1.31      
11 A" 3123 3123 6.05      
12 A" 1460 1460 8.00      
13 A" 1034 1034 6.85      
14 A" 756 756 14.21      
15 A" 174 174 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 11806.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11806.6 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 MP2/daug-cc-pVDZ
ABC
1.60192 0.18862 0.17426

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.631 0.000
C2 -1.499 0.713 0.000
S3 0.881 -0.746 0.000
H4 0.527 1.599 0.000
H5 -1.955 -0.285 0.000
H6 -1.838 1.279 0.886
H7 -1.838 1.279 -0.886

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50171.63521.10202.15952.14072.1407
C21.50172.79262.21151.09801.10391.1039
S31.63522.79262.37172.87393.50433.5043
H41.10202.21152.37173.11662.54582.5458
H52.15951.09802.87393.11661.80131.8013
H62.14071.10393.50432.54581.80131.7712
H72.14071.10393.50432.54581.80131.7712

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.391 C1 C2 H6 109.540
C1 C2 H7 109.540 C2 C1 S3 125.757
C2 C1 H4 115.431 S3 C1 H4 118.811
H5 C2 H6 109.782 H5 C2 H7 109.782
H6 C2 H7 106.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability