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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-475.983856
Energy at 298.15K-475.987703
HF Energy-475.558125
Nuclear repulsion energy92.970935
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/6-31G**
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' 3256 3042 6.90      
2 A' 3177 2969 21.28      
3 A' 3120 2915 4.93      
4 A' 1541 1440 3.71      
5 A' 1451 1356 32.88      
6 A' 1434 1340 22.40      
7 A' 1219 1139 15.00      
8 A' 1120 1047 1.29      
9 A' 860 804 3.03      
10 A' 407 381 1.07      
11 A" 3202 2992 7.99      
12 A" 1534 1434 8.53      
13 A" 1082 1011 4.57      
14 A" 787 735 15.52      
15 A" 174 162 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 12181.9 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 11382.8 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/6-31G**
ABC
1.64117 0.19133 0.17692

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.491 0.707 0.000
S3 0.877 -0.737 0.000
H4 0.512 1.584 0.000
H5 -1.941 -0.281 0.000
H6 -1.830 1.261 0.876
H7 -1.830 1.261 -0.876

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49361.61831.08922.14122.12682.1268
C21.49362.77412.18661.08551.09061.0906
S31.61832.77412.35012.85533.47693.4769
H41.08922.18662.35013.08142.52072.5207
H52.14121.08552.85533.08141.77701.7770
H62.12681.09063.47692.52071.77701.7523
H72.12681.09063.47692.52071.77701.7523

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.259 C1 C2 H6 109.787
C1 C2 H7 109.787 C2 C1 S3 126.064
C2 C1 H4 114.779 S3 C1 H4 119.157
H5 C2 H6 109.497 H5 C2 H7 109.497
H6 C2 H7 106.913
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability