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: HSEh1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HSEh1PBE/Def2TZVPP
 hartrees
Energy at 0K-476.612662
Energy at 298.15K-476.616476
HF Energy-476.612662
Nuclear repulsion energy93.355778
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 HSEh1PBE/Def2TZVPP
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' 3161 3161 6.48      
2 A' 3085 3085 21.46      
3 A' 3029 3029 2.76      
4 A' 1475 1475 8.08      
5 A' 1382 1382 77.86      
6 A' 1378 1378 12.48      
7 A' 1182 1182 39.94      
8 A' 1086 1086 7.46      
9 A' 845 845 1.39      
10 A' 396 396 2.24      
11 A" 3083 3083 4.26      
12 A" 1461 1461 10.11      
13 A" 1044 1044 4.07      
14 A" 770 770 12.92      
15 A" 176 176 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 11775.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11775.0 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 HSEh1PBE/Def2TZVPP
ABC
1.65517 0.19324 0.17869

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.617 0.000
C2 -1.480 0.706 0.000
S3 0.871 -0.736 0.000
H4 0.517 1.579 0.000
H5 -1.942 -0.279 0.000
H6 -1.817 1.272 0.875
H7 -1.817 1.272 -0.875

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48271.60901.09262.13902.12052.1205
C21.48272.75812.17951.08791.09531.0953
S31.60902.75812.34242.85053.46783.4678
H41.09262.17952.34243.08242.51112.5111
H52.13901.08792.85053.08241.78541.7854
H62.12051.09533.46782.51111.78541.7493
H72.12051.09533.46782.51111.78541.7493

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.711 C1 C2 H6 109.769
C1 C2 H7 109.769 C2 C1 S3 126.228
C2 C1 H4 114.778 S3 C1 H4 118.994
H5 C2 H6 109.724 H5 C2 H7 109.724
H6 C2 H7 105.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.033      
2 C -0.160      
3 S -0.184      
4 H 0.107      
5 H 0.087      
6 H 0.091      
7 H 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.675 1.851 0.000 2.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.429 -0.614 0.000
y -0.614 -25.170 0.000
z 0.000 0.000 -25.950
Traceless
 xyz
x -0.868 -0.614 0.000
y -0.614 1.019 0.000
z 0.000 0.000 -0.151
Polar
3z2-r2-0.301
x2-y2-1.258
xy-0.614
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.362 -1.876 0.000
y -1.876 7.392 0.000
z 0.000 0.000 4.594


<r2> (average value of r2) Å2
<r2> 73.353
(<r2>)1/2 8.565