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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-476.814005
Energy at 298.15K-476.817810
HF Energy-476.814005
Nuclear repulsion energy93.049611
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 mPW1PW91/6-311G**
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' 3169 3032 8.51      
2 A' 3098 2964 23.60      
3 A' 3036 2905 2.71      
4 A' 1484 1420 6.50      
5 A' 1393 1332 86.65      
6 A' 1382 1323 10.21      
7 A' 1186 1135 47.88      
8 A' 1091 1044 8.96      
9 A' 845 809 0.85      
10 A' 398 381 1.41      
11 A" 3093 2959 6.20      
12 A" 1469 1406 13.81      
13 A" 1043 998 4.44      
14 A" 773 740 18.87      
15 A" 164 157 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 11813.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 11301.6 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 mPW1PW91/6-311G**
ABC
1.65581 0.19153 0.17726

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.618 0.000
C2 -1.482 0.717 0.000
S3 0.872 -0.744 0.000
H4 0.525 1.576 0.000
H5 -1.955 -0.263 0.000
H6 -1.813 1.287 0.876
H7 -1.813 1.287 -0.876

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48561.61651.09282.14422.12172.1217
C21.48562.77052.18291.08841.09581.0958
S31.61652.77052.34582.86743.47823.4782
H41.09282.18292.34583.08732.51302.5130
H52.14421.08842.86743.08731.78581.7858
H62.12171.09583.47822.51301.78581.7517
H72.12171.09583.47822.51301.78581.7517

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.903 C1 C2 H6 109.632
C1 C2 H7 109.632 C2 C1 S3 126.482
C2 C1 H4 114.843 S3 C1 H4 118.675
H5 C2 H6 109.692 H5 C2 H7 109.692
H6 C2 H7 106.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.290      
2 C -0.304      
3 S -0.031      
4 H 0.166      
5 H 0.160      
6 H 0.149      
7 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.795 1.962 0.000 2.659
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.698 -0.627 0.000
y -0.627 -25.417 0.000
z 0.000 0.000 -26.154
Traceless
 xyz
x -0.913 -0.627 0.000
y -0.627 1.009 0.000
z 0.000 0.000 -0.097
Polar
3z2-r2-0.193
x2-y2-1.281
xy-0.627
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.672 -2.175 0.000
y -2.175 6.908 0.000
z 0.000 0.000 3.552


<r2> (average value of r2) Å2
<r2> 73.932
(<r2>)1/2 8.598