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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: M06-2X/3-21G

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/3-21G
 hartrees
Energy at 0K-474.310089
Energy at 298.15K-474.313899
HF Energy-474.310089
Nuclear repulsion energy91.906192
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/3-21G
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' 3137 3008 5.42      
2 A' 3112 2983 3.83      
3 A' 3043 2917 0.13      
4 A' 1540 1476 7.86      
5 A' 1450 1390 20.86      
6 A' 1413 1354 55.25      
7 A' 1164 1116 41.34      
8 A' 1115 1069 19.67      
9 A' 838 803 0.34      
10 A' 397 380 2.02      
11 A" 3104 2975 1.83      
12 A" 1523 1460 16.67      
13 A" 1078 1034 1.64      
14 A" 780 748 31.03      
15 A" 163 157 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 11927.7 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 11435.1 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/3-21G
ABC
1.59696 0.18747 0.17317

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.643 0.000
C2 -1.494 0.728 0.000
S3 0.878 -0.759 0.000
H4 0.526 1.598 0.000
H5 -1.946 -0.265 0.000
H6 -1.832 1.290 0.882
H7 -1.832 1.290 -0.882

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49641.65401.09002.14722.13342.1334
C21.49642.79942.19911.09081.09851.0985
S31.65402.79942.38282.86663.50953.5095
H41.09002.19912.38283.09482.53592.5359
H52.14721.09082.86663.09481.79061.7906
H62.13341.09853.50952.53591.79061.7631
H72.13341.09853.50952.53591.79061.7631

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.208 C1 C2 H6 109.647
C1 C2 H7 109.647 C2 C1 S3 125.320
C2 C1 H4 115.578 S3 C1 H4 119.102
H5 C2 H6 109.747 H5 C2 H7 109.747
H6 C2 H7 106.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.533      
2 C -0.610      
3 S 0.176      
4 H 0.255      
5 H 0.240      
6 H 0.236      
7 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.804 2.099 0.000 2.767
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.621 -0.292 0.000
y -0.292 -25.507 0.000
z 0.000 0.000 -26.241
Traceless
 xyz
x -0.746 -0.292 0.000
y -0.292 0.924 0.000
z 0.000 0.000 -0.177
Polar
3z2-r2-0.354
x2-y2-1.113
xy-0.292
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.563 -2.138 0.000
y -2.138 6.199 0.000
z 0.000 0.000 2.935


<r2> (average value of r2) Å2
<r2> 75.193
(<r2>)1/2 8.671