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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-475.488724
Energy at 298.15K-475.492639
HF Energy-475.488724
Nuclear repulsion energy92.125749
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 HF/6-31G
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' 3336 3012 16.16      
2 A' 3309 2988 2.38      
3 A' 3176 2868 7.04      
4 A' 1633 1475 6.62      
5 A' 1573 1420 13.43      
6 A' 1526 1378 56.62      
7 A' 1247 1126 32.71      
8 A' 1194 1078 46.87      
9 A' 879 794 4.45      
10 A' 427 385 3.18      
11 A" 3231 2917 11.38      
12 A" 1627 1469 16.94      
13 A" 1175 1061 3.52      
14 A" 862 779 21.22      
15 A" 165 149 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 12680.7 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 11449.4 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 HF/6-31G
ABC
1.64921 0.18665 0.17295

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.635 0.000
C2 -1.484 0.754 0.000
S3 0.872 -0.770 0.000
H4 0.537 1.569 0.000
H5 -1.964 -0.212 0.000
H6 -1.809 1.315 0.872
H7 -1.809 1.315 -0.872

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48851.65401.07672.13932.12052.1205
C21.48852.80582.17871.07921.08691.0869
S31.65402.80582.36262.89043.50683.5068
H41.07672.17872.36263.07042.51612.5161
H52.13931.07922.89043.07041.76551.7655
H62.12051.08693.50682.51611.76551.7445
H72.12051.08693.50682.51611.76551.7445

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.854 C1 C2 H6 109.865
C1 C2 H7 109.865 C2 C1 S3 126.388
C2 C1 H4 115.340 S3 C1 H4 118.271
H5 C2 H6 109.189 H5 C2 H7 109.189
H6 C2 H7 106.742
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.348      
2 C -0.495      
3 S 0.027      
4 H 0.220      
5 H 0.207      
6 H 0.195      
7 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.129 2.657 0.000 3.405
CHELPG -2.052 2.710 0.000 3.399
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.273 -0.018 0.000
y -0.018 -25.927 0.000
z 0.000 0.000 -26.681
Traceless
 xyz
x -0.969 -0.018 0.000
y -0.018 1.050 0.000
z 0.000 0.000 -0.081
Polar
3z2-r2-0.162
x2-y2-1.346
xy-0.018
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.652 -2.309 0.000
y -2.309 6.772 0.000
z 0.000 0.000 3.134


<r2> (average value of r2) Å2
<r2> 75.506
(<r2>)1/2 8.689