return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B97D3/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-471.427710
Energy at 298.15K-471.431331
HF Energy-471.427710
Nuclear repulsion energy91.379056
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 B97D3/STO-3G
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' 3407 3407 2.97      
2 A' 3205 3205 0.05      
3 A' 3197 3197 22.32      
4 A' 1636 1636 2.63      
5 A' 1510 1510 1.19      
6 A' 1497 1497 40.55      
7 A' 1235 1235 13.86      
8 A' 1131 1131 6.37      
9 A' 871 871 2.71      
10 A' 393 393 0.85      
11 A" 3354 3354 1.02      
12 A" 1631 1631 4.21      
13 A" 1084 1084 0.17      
14 A" 747 747 8.74      
15 A" 156 156 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 12525.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12525.3 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 B97D3/STO-3G
ABC
1.58066 0.18440 0.17050

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.621 0.000
C2 -1.544 0.677 0.000
S3 0.914 -0.722 0.000
H4 0.445 1.648 0.000
H5 -1.988 -0.336 0.000
H6 -1.909 1.228 0.893
H7 -1.909 1.228 -0.893

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.54541.62511.11902.20672.19302.1930
C21.54542.82882.21371.10601.11081.1108
S31.62512.82882.41622.92803.54563.5456
H41.11902.21372.41623.13962.55222.5522
H52.20671.10602.92803.13961.80301.8030
H62.19301.11083.54562.55221.80301.7856
H72.19301.11083.54562.55221.80301.7856

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.597 C1 C2 H6 110.226
C1 C2 H7 110.226 C2 C1 S3 126.296
C2 C1 H4 111.372 S3 C1 H4 122.333
H5 C2 H6 108.845 H5 C2 H7 108.845
H6 C2 H7 106.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.159      
2 C -0.222      
3 S 0.079      
4 H 0.062      
5 H 0.079      
6 H 0.081      
7 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.740 0.762 0.000 1.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.522 -0.161 0.000
y -0.161 -23.004 0.000
z 0.000 0.000 -22.489
Traceless
 xyz
x -0.775 -0.161 0.000
y -0.161 0.001 0.000
z 0.000 0.000 0.774
Polar
3z2-r21.548
x2-y2-0.518
xy-0.161
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.084 -1.388 0.000
y -1.388 3.348 0.000
z 0.000 0.000 1.513


<r2> (average value of r2) Å2
<r2> 74.341
(<r2>)1/2 8.622