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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-471.414723
Energy at 298.15K-471.418397
HF Energy-471.414723
Nuclear repulsion energy91.815465
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 B3LYP/STO-3G
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' 3477 3103 1.73      
2 A' 3290 2936 16.16      
3 A' 3283 2930 0.01      
4 A' 1672 1492 2.99      
5 A' 1548 1381 1.80      
6 A' 1533 1368 37.03      
7 A' 1267 1131 13.18      
8 A' 1154 1030 6.37      
9 A' 893 797 2.00      
10 A' 400 357 0.89      
11 A" 3431 3061 0.35      
12 A" 1666 1487 4.69      
13 A" 1115 995 0.11      
14 A" 775 691 9.27      
15 A" 163 145 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 12832.9 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 11452.1 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 B3LYP/STO-3G
ABC
1.59646 0.18597 0.17197

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.617 0.000
C2 -1.542 0.669 0.000
S3 0.913 -0.715 0.000
H4 0.440 1.638 0.000
H5 -1.981 -0.340 0.000
H6 -1.905 1.215 0.888
H7 -1.905 1.215 -0.888

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.54261.61491.11132.20022.18592.1859
C21.54262.81782.20561.10041.10451.1045
S31.61492.81782.39992.91823.52973.5297
H41.11132.20562.39993.12602.54322.5432
H52.20021.10042.91823.12601.79261.7926
H62.18591.10453.52972.54321.79261.7766
H72.18591.10453.52972.54321.79261.7766

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.612 C1 C2 H6 110.232
C1 C2 H7 110.232 C2 C1 S3 126.343
C2 C1 H4 111.385 S3 C1 H4 122.271
H5 C2 H6 108.782 H5 C2 H7 108.782
H6 C2 H7 107.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 C -0.230      
3 S 0.096      
4 H 0.064      
5 H 0.080      
6 H 0.082      
7 H 0.082      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.688 0.725 0.000 0.999
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.553 -0.134 0.000
y -0.134 -23.020 0.000
z 0.000 0.000 -22.463
Traceless
 xyz
x -0.812 -0.134 0.000
y -0.134 -0.012 0.000
z 0.000 0.000 0.824
Polar
3z2-r21.649
x2-y2-0.533
xy-0.134
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.007 -1.373 0.000
y -1.373 3.318 0.000
z 0.000 0.000 1.491


<r2> (average value of r2) Å2
<r2> 73.827
(<r2>)1/2 8.592