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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: mPW1PW91/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-476.831624
Energy at 298.15K-476.835426
HF Energy-476.831624
Nuclear repulsion energy93.260748
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/daug-cc-pVTZ
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' 3162 3162 5.63      
2 A' 3092 3092 19.55      
3 A' 3032 3032 2.62      
4 A' 1480 1480 7.85      
5 A' 1385 1385 62.88      
6 A' 1382 1382 26.00      
7 A' 1181 1181 42.67      
8 A' 1088 1088 7.93      
9 A' 845 845 1.22      
10 A' 394 394 2.23      
11 A" 3085 3085 3.77      
12 A" 1465 1465 9.56      
13 A" 1046 1046 4.42      
14 A" 770 770 13.69      
15 A" 172 172 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 11788.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11788.7 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/daug-cc-pVTZ
ABC
1.65486 0.19272 0.17823

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.618 0.000
C2 -1.480 0.710 0.000
S3 0.871 -0.739 0.000
H4 0.520 1.577 0.000
H5 -1.945 -0.272 0.000
H6 -1.814 1.277 0.874
H7 -1.814 1.277 -0.874

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.48281.61311.09082.13902.11872.1187
C21.48282.76182.17971.08651.09401.0940
S31.61312.76182.34322.85433.46973.4697
H41.09082.17972.34323.08132.51032.5103
H52.13901.08652.85433.08131.78321.7832
H62.11871.09403.46972.51031.78321.7478
H72.11871.09403.46972.51031.78321.7478

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.792 C1 C2 H6 109.692
C1 C2 H7 109.692 C2 C1 S3 126.221
C2 C1 H4 114.915 S3 C1 H4 118.864
H5 C2 H6 109.731 H5 C2 H7 109.731
H6 C2 H7 106.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.273      
2 C 0.068      
3 S -0.996      
4 H 0.174      
5 H 0.429      
6 H 0.299      
7 H 0.299      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.722 1.919 0.000 2.578
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.508 -0.633 0.000
y -0.633 -25.244 0.000
z 0.000 0.000 -26.048
Traceless
 xyz
x -0.862 -0.633 0.000
y -0.633 1.034 0.000
z 0.000 0.000 -0.172
Polar
3z2-r2-0.344
x2-y2-1.264
xy-0.633
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.252 -1.593 0.000
y -1.593 7.939 0.000
z 0.000 0.000 5.428


<r2> (average value of r2) Å2
<r2> 73.527
(<r2>)1/2 8.575