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: M06-2X/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at M06-2X/6-311G*
 hartrees
Energy at 0K-476.750463
Energy at 298.15K-476.754262
HF Energy-476.750463
Nuclear repulsion energy93.058186
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 M06-2X/6-311G*
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' 3164 3164 6.68      
2 A' 3116 3116 17.17      
3 A' 3050 3050 2.25      
4 A' 1507 1507 5.32      
5 A' 1415 1415 71.12      
6 A' 1400 1400 24.79      
7 A' 1192 1192 44.26      
8 A' 1100 1100 7.44      
9 A' 853 853 0.76      
10 A' 400 400 1.16      
11 A" 3110 3110 5.28      
12 A" 1486 1486 14.34      
13 A" 1053 1053 4.73      
14 A" 759 759 21.74      
15 A" 162 162 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 11883.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11883.6 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 M06-2X/6-311G*
ABC
1.64683 0.19168 0.17730

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.618 0.000
C2 -1.490 0.706 0.000
S3 0.877 -0.736 0.000
H4 0.518 1.579 0.000
H5 -1.950 -0.281 0.000
H6 -1.826 1.268 0.877
H7 -1.826 1.268 -0.877

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49251.61271.09232.14722.12802.1280
C21.49252.77102.19011.08841.09501.0950
S31.61272.77102.34292.86323.47743.4774
H41.09232.19012.34293.09082.52262.5226
H52.14721.08842.86323.09081.78441.7844
H62.12801.09503.47742.52261.78441.7541
H72.12801.09503.47742.52261.78441.7541

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.643 C1 C2 H6 109.693
C1 C2 H7 109.693 C2 C1 S3 126.296
C2 C1 H4 114.951 S3 C1 H4 118.754
H5 C2 H6 109.617 H5 C2 H7 109.617
H6 C2 H7 106.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.342      
2 C -0.683      
3 S 0.001      
4 H 0.252      
5 H 0.265      
6 H 0.254      
7 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.704 1.856 0.000 2.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.033 -0.639 0.000
y -0.639 -25.617 0.000
z 0.000 0.000 -26.423
Traceless
 xyz
x -1.013 -0.639 0.000
y -0.639 1.110 0.000
z 0.000 0.000 -0.098
Polar
3z2-r2-0.195
x2-y2-1.416
xy-0.639
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.566 -2.161 0.000
y -2.161 6.815 0.000
z 0.000 0.000 3.483


<r2> (average value of r2) Å2
<r2> 74.091
(<r2>)1/2 8.608