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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-475.989424
Energy at 298.15K-475.993243
HF Energy-475.588533
Nuclear repulsion energy92.790499
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 MP2/6-311G*
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' 3194 3036 7.57      
2 A' 3121 2966 24.10      
3 A' 3066 2913 5.05      
4 A' 1523 1448 5.87      
5 A' 1432 1361 33.75      
6 A' 1420 1349 32.54      
7 A' 1209 1149 20.32      
8 A' 1113 1058 2.01      
9 A' 854 812 3.09      
10 A' 407 387 0.58      
11 A" 3139 2983 8.02      
12 A" 1509 1434 13.82      
13 A" 1069 1016 5.97      
14 A" 776 738 23.34      
15 A" 161 153 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 11996.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 11400.5 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 MP2/6-311G*
ABC
1.63253 0.19069 0.17631

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.620 0.000
C2 -1.497 0.707 0.000
S3 0.880 -0.737 0.000
H4 0.516 1.586 0.000
H5 -1.953 -0.283 0.000
H6 -1.835 1.266 0.880
H7 -1.835 1.266 -0.880

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49921.61761.09502.15192.13482.1348
C21.49922.78132.19591.09021.09551.0955
S31.61762.78132.35152.86993.48673.4867
H41.09502.19592.35153.09652.53002.5300
H52.15191.09022.86993.09651.78491.7849
H62.13481.09553.48672.53001.78491.7591
H72.13481.09553.48672.53001.78491.7591

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.441 C1 C2 H6 109.743
C1 C2 H7 109.743 C2 C1 S3 126.302
C2 C1 H4 114.765 S3 C1 H4 118.933
H5 C2 H6 109.495 H5 C2 H7 109.495
H6 C2 H7 106.810
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability