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/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-476.575648
Energy at 298.15K-476.579455
HF Energy-476.575648
Nuclear repulsion energy92.717674
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/cc-pVDZ
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' 3180 3059 5.05      
2 A' 3091 2974 23.57      
3 A' 3036 2920 3.22      
4 A' 1458 1402 12.04      
5 A' 1372 1319 80.65      
6 A' 1356 1304 8.61      
7 A' 1184 1139 33.35      
8 A' 1076 1035 8.32      
9 A' 847 815 1.45      
10 A' 395 380 2.34      
11 A" 3103 2985 3.78      
12 A" 1437 1382 11.14      
13 A" 1028 989 2.11      
14 A" 765 736 13.39      
15 A" 175 168 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 11750.9 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 11303.2 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/cc-pVDZ
ABC
1.63206 0.19084 0.17646

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.483 0.717 0.000
S3 0.873 -0.746 0.000
H4 0.525 1.592 0.000
H5 -1.956 -0.274 0.000
H6 -1.821 1.291 0.881
H7 -1.821 1.291 -0.881

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48651.62311.10332.15132.13032.1303
C21.48652.77382.19131.09741.10451.1045
S31.62312.77382.36412.86823.49043.4904
H41.10332.19132.36413.10462.52382.5238
H52.15131.09742.86823.10461.80101.8010
H62.13031.10453.49042.52381.80101.7624
H72.13031.10453.49042.52381.80101.7624

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.850 C1 C2 H6 109.729
C1 C2 H7 109.729 C2 C1 S3 126.194
C2 C1 H4 114.783 S3 C1 H4 119.023
H5 C2 H6 109.758 H5 C2 H7 109.758
H6 C2 H7 105.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.129      
2 C -0.047      
3 S -0.112      
4 H 0.075      
5 H 0.066      
6 H 0.074      
7 H 0.074      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.660 1.876 0.000 2.505
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.126 -0.652 0.000
y -0.652 -24.877 0.000
z 0.000 0.000 -25.719
Traceless
 xyz
x -0.828 -0.652 0.000
y -0.652 1.046 0.000
z 0.000 0.000 -0.218
Polar
3z2-r2-0.436
x2-y2-1.250
xy-0.652
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.421 -2.019 0.000
y -2.019 6.687 0.000
z 0.000 0.000 3.480


<r2> (average value of r2) Å2
<r2> 73.915
(<r2>)1/2 8.597