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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: HF/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 HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-475.610074
Energy at 298.15K-475.614015
HF Energy-475.610074
Nuclear repulsion energy93.615034
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 HF/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' 3275 2975 13.22      
2 A' 3243 2946 13.71      
3 A' 3150 2862 9.13      
4 A' 1600 1454 7.14      
5 A' 1523 1383 18.87      
6 A' 1498 1361 63.32      
7 A' 1242 1128 57.50      
8 A' 1171 1064 12.76      
9 A' 889 807 0.54      
10 A' 421 382 3.14      
11 A" 3196 2904 12.96      
12 A" 1594 1448 8.40      
13 A" 1156 1051 6.74      
14 A" 844 767 11.82      
15 A" 186 169 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 12492.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 11350.8 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 HF/6-311+G(3df,2p)
ABC
1.67383 0.19335 0.17898

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.610 0.000
C2 -1.491 0.696 0.000
S3 0.877 -0.726 0.000
H4 0.505 1.565 0.000
H5 -1.946 -0.282 0.000
H6 -1.820 1.252 0.873
H7 -1.820 1.252 -0.873

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49331.59811.08042.14102.11802.1180
C21.49332.76172.17661.07871.08601.0860
S31.59812.76172.32162.85783.45653.4565
H41.08042.17662.32163.06912.50232.5023
H52.14101.07872.85783.06911.76971.7697
H62.11801.08603.45652.50231.76971.7450
H72.11801.08603.45652.50231.76971.7450

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.686 C1 C2 H6 109.384
C1 C2 H7 109.384 C2 C1 S3 126.564
C2 C1 H4 114.540 S3 C1 H4 118.896
H5 C2 H6 109.675 H5 C2 H7 109.675
H6 C2 H7 106.918
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.168      
2 C -0.183      
3 S -0.222      
4 H 0.143      
5 H 0.148      
6 H 0.141      
7 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.855 2.134 0.000 2.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.021 -0.556 0.000
y -0.556 -25.469 0.000
z 0.000 0.000 -26.556
Traceless
 xyz
x -1.009 -0.556 0.000
y -0.556 1.320 0.000
z 0.000 0.000 -0.311
Polar
3z2-r2-0.623
x2-y2-1.552
xy-0.556
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.530 -1.652 0.000
y -1.652 7.546 0.000
z 0.000 0.000 5.143


<r2> (average value of r2) Å2
<r2> 73.520
(<r2>)1/2 8.574