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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-476.771469
Energy at 298.15K-476.775206
HF Energy-476.771469
Nuclear repulsion energy91.894997
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 BLYP/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' 3057 3049 15.72      
2 A' 2980 2973 37.35      
3 A' 2931 2924 5.80      
4 A' 1459 1455 3.93      
5 A' 1364 1360 8.67      
6 A' 1350 1347 78.13      
7 A' 1120 1117 54.33      
8 A' 1060 1057 10.55      
9 A' 803 801 0.45      
10 A' 388 387 1.13      
11 A" 2966 2959 12.41      
12 A" 1448 1444 12.51      
13 A" 1017 1014 3.80      
14 A" 747 745 20.34      
15 A" 161 161 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 11424.4 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 11395.9 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 BLYP/6-311G*
ABC
1.63192 0.18622 0.17249

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.625 0.000
C2 -1.497 0.736 0.000
S3 0.881 -0.759 0.000
H4 0.531 1.590 0.000
H5 -1.986 -0.244 0.000
H6 -1.831 1.314 0.880
H7 -1.831 1.314 -0.880

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.50081.64061.10102.16822.14542.1454
C21.50082.80882.19981.09601.10461.1046
S31.64062.80882.37432.91333.52523.5252
H41.10102.19982.37433.11442.53612.5361
H52.16821.09602.91333.11441.79591.7959
H62.14541.10463.52522.53611.79591.7608
H72.14541.10463.52522.53611.79591.7608

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 112.288 C1 C2 H6 109.929
C1 C2 H7 109.929 C2 C1 S3 126.737
C2 C1 H4 114.585 S3 C1 H4 118.678
H5 C2 H6 109.393 H5 C2 H7 109.393
H6 C2 H7 105.695
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.304      
2 C -0.581      
3 S -0.020      
4 H 0.222      
5 H 0.236      
6 H 0.224      
7 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.729 1.906 0.000 2.573
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.202 -0.685 0.000
y -0.685 -25.937 0.000
z 0.000 0.000 -26.574
Traceless
 xyz
x -0.946 -0.685 0.000
y -0.685 0.951 0.000
z 0.000 0.000 -0.005
Polar
3z2-r2-0.010
x2-y2-1.265
xy-0.685
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.045 -2.297 0.000
y -2.297 7.171 0.000
z 0.000 0.000 3.606


<r2> (average value of r2) Å2
<r2> 75.790
(<r2>)1/2 8.706