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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-475.595250
Energy at 298.15K-475.599173
HF Energy-475.595250
Nuclear repulsion energy93.347346
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/6-311G**
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' 3282 2982 19.10      
2 A' 3256 2958 13.63      
3 A' 3157 2868 9.54      
4 A' 1601 1455 6.15      
5 A' 1523 1384 40.03      
6 A' 1501 1364 47.88      
7 A' 1244 1130 65.92      
8 A' 1174 1066 14.65      
9 A' 888 807 0.91      
10 A' 423 384 2.04      
11 A" 3208 2914 17.04      
12 A" 1591 1446 11.44      
13 A" 1146 1041 6.26      
14 A" 841 764 14.12      
15 A" 174 158 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12503.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 11359.6 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 HF/6-311G**
ABC
1.66978 0.19208 0.17787

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.612 0.000
C2 -1.492 0.704 0.000
S3 0.877 -0.732 0.000
H4 0.511 1.566 0.000
H5 -1.954 -0.273 0.000
H6 -1.818 1.263 0.875
H7 -1.818 1.263 -0.875

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49531.60451.08222.14532.11982.1198
C21.49532.77082.18061.08101.08791.0879
S31.60452.77082.32672.86843.46523.4652
H41.08222.18062.32673.07542.50552.5055
H52.14531.08102.86843.07541.77331.7733
H62.11981.08793.46522.50551.77331.7495
H72.11981.08793.46522.50551.77331.7495

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.745 C1 C2 H6 109.277
C1 C2 H7 109.277 C2 C1 S3 126.688
C2 C1 H4 114.608 S3 C1 H4 118.703
H5 C2 H6 109.689 H5 C2 H7 109.689
H6 C2 H7 107.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.231      
2 C -0.215      
3 S -0.075      
4 H 0.146      
5 H 0.136      
6 H 0.119      
7 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.948 2.214 0.000 2.949
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.402 -0.440 0.000
y -0.440 -25.785 0.000
z 0.000 0.000 -26.674
Traceless
 xyz
x -1.172 -0.440 0.000
y -0.440 1.253 0.000
z 0.000 0.000 -0.081
Polar
3z2-r2-0.162
x2-y2-1.616
xy-0.440
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.281 -2.221 0.000
y -2.221 6.834 0.000
z 0.000 0.000 3.455


<r2> (average value of r2) Å2
<r2> 74.028
(<r2>)1/2 8.604