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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-476.798587
Energy at 298.15K-476.802367
HF Energy-476.798587
Nuclear repulsion energy92.523956
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 TPSSh/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' 3162 3031 10.95      
2 A' 3086 2959 26.20      
3 A' 3025 2900 4.91      
4 A' 1502 1440 3.13      
5 A' 1404 1346 25.16      
6 A' 1392 1335 57.47      
7 A' 1167 1119 43.29      
8 A' 1089 1044 8.06      
9 A' 833 799 0.83      
10 A' 389 373 2.07      
11 A" 3080 2952 9.67      
12 A" 1495 1433 9.39      
13 A" 1047 1004 2.97      
14 A" 765 733 14.54      
15 A" 165 159 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 11799.9 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 11312.6 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 TPSSh/6-31G**
ABC
1.63493 0.18936 0.17519

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.624 0.000
C2 -1.493 0.718 0.000
S3 0.878 -0.747 0.000
H4 0.519 1.588 0.000
H5 -1.960 -0.267 0.000
H6 -1.826 1.287 0.878
H7 -1.826 1.287 -0.878

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49561.62761.09502.15312.13252.1325
C21.49562.78692.19181.09061.09841.0984
S31.62762.78692.36182.87873.49613.4961
H41.09502.19182.36183.09652.52282.5228
H52.15311.09062.87873.09651.79021.7902
H62.13251.09843.49612.52281.79021.7566
H72.13251.09843.49612.52281.79021.7566

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.765 C1 C2 H6 109.637
C1 C2 H7 109.637 C2 C1 S3 126.279
C2 C1 H4 114.689 S3 C1 H4 119.033
H5 C2 H6 109.729 H5 C2 H7 109.729
H6 C2 H7 106.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.171      
2 C -0.384      
3 S -0.080      
4 H 0.162      
5 H 0.163      
6 H 0.155      
7 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.801 2.024 0.000 2.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.328 -2.005 0.000
y -2.005 6.619 0.000
z 0.000 0.000 3.493


<r2> (average value of r2) Å2
<r2> 74.293
(<r2>)1/2 8.619