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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2=FULL/daug-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 MP2=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-476.212802
Energy at 298.15K-476.216628
HF Energy-475.616573
Nuclear repulsion energy93.349603
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-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' 3183 3183 4.56      
2 A' 3129 3129 15.96      
3 A' 3070 3070 3.39      
4 A' 1506 1506 6.83      
5 A' 1410 1410 24.89      
6 A' 1397 1397 37.78      
7 A' 1199 1199 19.00      
8 A' 1097 1097 2.31      
9 A' 851 851 3.19      
10 A' 400 400 1.33      
11 A" 3128 3128 3.54      
12 A" 1499 1499 8.52      
13 A" 1067 1067 5.91      
14 A" 778 778 14.51      
15 A" 173 173 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 11943.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11943.7 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-pVTZ
ABC
1.64300 0.19348 0.17875

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.624 0.000
C2 -1.482 0.702 0.000
S3 0.872 -0.735 0.000
H4 0.514 1.579 0.000
H5 -1.925 -0.288 0.000
H6 -1.823 1.256 0.874
H7 -1.823 1.256 -0.874

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48391.61421.08462.12992.11802.1180
C21.48392.75742.18021.08431.08981.0898
S31.61422.75742.34102.83213.46213.4621
H41.08462.18022.34103.07142.51572.5157
H52.12991.08432.83213.07141.77711.7771
H62.11801.08983.46212.51571.77711.7490
H72.11801.08983.46212.51571.77711.7490

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.104 C1 C2 H6 109.807
C1 C2 H7 109.807 C2 C1 S3 125.698
C2 C1 H4 115.282 S3 C1 H4 119.021
H5 C2 H6 109.650 H5 C2 H7 109.650
H6 C2 H7 106.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability