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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-476.797634
Energy at 298.15K-476.801440
HF Energy-476.797634
Nuclear repulsion energy92.745092
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3180 3048 6.04      
2 A' 3107 2978 20.55      
3 A' 3037 2910 3.27      
4 A' 1461 1400 11.77      
5 A' 1375 1318 83.06      
6 A' 1360 1303 7.13      
7 A' 1183 1134 37.54      
8 A' 1079 1034 8.91      
9 A' 846 810 1.11      
10 A' 396 379 2.27      
11 A" 3100 2971 4.46      
12 A" 1440 1380 9.67      
13 A" 1031 988 4.68      
14 A" 761 730 13.40      
15 A" 171 164 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 11763.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 11272.6 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/aug-cc-pVDZ
ABC
1.63712 0.19072 0.17639

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.623 0.000
C2 -1.483 0.720 0.000
S3 0.872 -0.748 0.000
H4 0.530 1.585 0.000
H5 -1.955 -0.267 0.000
H6 -1.815 1.294 0.879
H7 -1.815 1.294 -0.879

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48671.62431.09892.14772.12592.1259
C21.48672.77552.19181.09371.10121.1012
S31.62432.77552.35762.86773.48773.4877
H41.09892.19182.35763.09932.52222.5222
H52.14771.09372.86773.09931.79661.7966
H62.12591.10123.48772.52221.79661.7590
H72.12591.10123.48772.52221.79661.7590

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.773 C1 C2 H6 109.568
C1 C2 H7 109.568 C2 C1 S3 126.237
C2 C1 H4 115.101 S3 C1 H4 118.662
H5 C2 H6 109.882 H5 C2 H7 109.882
H6 C2 H7 106.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.263      
2 C 0.336      
3 S -0.077      
4 H -0.370      
5 H -0.109      
6 H -0.022      
7 H -0.022      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.764 1.984 0.000 2.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.618 -0.635 0.000
y -0.635 -25.319 0.000
z 0.000 0.000 -26.160
Traceless
 xyz
x -0.878 -0.635 0.000
y -0.635 1.069 0.000
z 0.000 0.000 -0.191
Polar
3z2-r2-0.383
x2-y2-1.298
xy-0.635
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.190 -1.677 0.000
y -1.677 7.978 0.000
z 0.000 0.000 5.318


<r2> (average value of r2) Å2
<r2> 74.188
(<r2>)1/2 8.613