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: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-476.786483
Energy at 298.15K-476.790255
HF Energy-476.786483
Nuclear repulsion energy92.960074
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 wB97X-D/TZVP
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' 3172 3029 8.34      
2 A' 3112 2972 17.84      
3 A' 3041 2905 3.64      
4 A' 1493 1426 7.99      
5 A' 1406 1342 62.76      
6 A' 1396 1334 18.36      
7 A' 1180 1127 47.57      
8 A' 1098 1048 7.89      
9 A' 845 807 0.77      
10 A' 403 385 1.83      
11 A" 3101 2962 6.29      
12 A" 1474 1408 12.79      
13 A" 1050 1003 4.41      
14 A" 771 736 14.22      
15 A" 139 133 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 11840.5 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 11307.7 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 wB97X-D/TZVP
ABC
1.64866 0.19121 0.17691

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.619 0.000
C2 -1.488 0.713 0.000
S3 0.875 -0.741 0.000
H4 0.515 1.581 0.000
H5 -1.954 -0.271 0.000
H6 -1.818 1.277 0.878
H7 -1.818 1.277 -0.878

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49111.61681.09172.14652.12332.1233
C21.49112.77482.18301.08841.09421.0942
S31.61682.77482.34992.86773.47763.4776
H41.09172.18302.34993.08592.51092.5109
H52.14651.08842.86773.08591.78441.7844
H62.12331.09423.47762.51091.78441.7562
H72.12331.09423.47762.51091.78441.7562

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.682 C1 C2 H6 109.468
C1 C2 H7 109.468 C2 C1 S3 126.415
C2 C1 H4 114.499 S3 C1 H4 119.086
H5 C2 H6 109.678 H5 C2 H7 109.678
H6 C2 H7 106.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.177      
2 C -0.313      
3 S -0.094      
4 H 0.162      
5 H 0.143      
6 H 0.140      
7 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.739 1.962 0.000 2.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.587 -0.516 0.000
y -0.516 -25.197 0.000
z 0.000 0.000 -25.942
Traceless
 xyz
x -1.017 -0.516 0.000
y -0.516 1.068 0.000
z 0.000 0.000 -0.050
Polar
3z2-r2-0.100
x2-y2-1.390
xy-0.516
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.776 -2.073 0.000
y -2.073 7.290 0.000
z 0.000 0.000 4.125


<r2> (average value of r2) Å2
<r2> 73.914
(<r2>)1/2 8.597