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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-476.764904
Energy at 298.15K-476.768707
HF Energy-476.764904
Nuclear repulsion energy93.217928
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 B3PW91/6-311+G(3df,2p)
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' 3144 3009 6.26      
2 A' 3065 2934 21.35      
3 A' 3014 2885 2.69      
4 A' 1473 1411 7.14      
5 A' 1378 1319 28.53      
6 A' 1374 1315 60.37      
7 A' 1174 1124 43.81      
8 A' 1081 1035 6.77      
9 A' 840 804 1.35      
10 A' 394 377 2.00      
11 A" 3065 2935 4.15      
12 A" 1461 1399 9.69      
13 A" 1040 995 4.56      
14 A" 767 734 13.75      
15 A" 171 164 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 11720.0 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 11219.5 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 B3PW91/6-311+G(3df,2p)
ABC
1.65564 0.19244 0.17801

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.617 0.000
C2 -1.482 0.709 0.000
S3 0.872 -0.738 0.000
H4 0.518 1.579 0.000
H5 -1.950 -0.273 0.000
H6 -1.818 1.277 0.875
H7 -1.818 1.277 -0.875

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48501.61161.09292.14322.12242.1224
C21.48502.76392.18121.08781.09531.0953
S31.61162.76392.34412.86043.47313.4731
H41.09292.18122.34413.08552.51242.5124
H52.14321.08782.86043.08551.78441.7844
H62.12241.09533.47312.51241.78441.7491
H72.12241.09533.47312.51241.78441.7491

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.898 C1 C2 H6 109.757
C1 C2 H7 109.757 C2 C1 S3 126.348
C2 C1 H4 114.735 S3 C1 H4 118.917
H5 C2 H6 109.647 H5 C2 H7 109.647
H6 C2 H7 105.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.182      
2 C -0.202      
3 S -0.195      
4 H 0.143      
5 H 0.145      
6 H 0.146      
7 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.708 1.884 0.000 2.543
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.435 -0.658 0.000
y -0.658 -25.259 0.000
z 0.000 0.000 -26.067
Traceless
 xyz
x -0.772 -0.658 0.000
y -0.658 0.992 0.000
z 0.000 0.000 -0.220
Polar
3z2-r2-0.440
x2-y2-1.176
xy-0.658
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.067 -1.670 0.000
y -1.670 7.815 0.000
z 0.000 0.000 5.222


<r2> (average value of r2) Å2
<r2> 73.605
(<r2>)1/2 8.579