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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP/STO-3G
 hartrees
Energy at 0K-471.114215
Energy at 298.15K-471.117899
HF Energy-471.057582
Nuclear repulsion energy91.710815
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 B2PLYP/STO-3G
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' 3523 3523 1.46      
2 A' 3340 3340 15.42      
3 A' 3330 3330 0.23      
4 A' 1700 1700 2.35      
5 A' 1576 1576 1.00      
6 A' 1542 1542 34.26      
7 A' 1269 1269 9.36      
8 A' 1171 1171 5.86      
9 A' 898 898 1.26      
10 A' 402 402 0.82      
11 A" 3488 3488 0.62      
12 A" 1695 1695 3.54      
13 A" 1133 1133 0.03      
14 A" 774 774 7.66      
15 A" 162 162 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 13001.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13001.8 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 B2PLYP/STO-3G
ABC
1.58943 0.18562 0.17159

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.620 0.000
C2 -1.543 0.670 0.000
S3 0.913 -0.716 0.000
H4 0.443 1.638 0.000
H5 -1.978 -0.341 0.000
H6 -1.909 1.212 0.888
H7 -1.909 1.212 -0.888

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.54431.61901.11002.19902.18672.1867
C21.54432.82092.21011.09981.10301.1030
S31.61902.82092.40102.91563.53143.5314
H41.11002.21012.40103.12682.54972.5497
H52.19901.09982.91563.12681.79021.7902
H62.18671.10303.53142.54971.79021.7766
H72.18671.10303.53142.54971.79021.7766

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.439 C1 C2 H6 110.273
C1 C2 H7 110.273 C2 C1 S3 126.170
C2 C1 H4 111.701 S3 C1 H4 122.128
H5 C2 H6 108.724 H5 C2 H7 108.724
H6 C2 H7 107.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.162      
2 C -0.213      
3 S 0.096      
4 H 0.057      
5 H 0.073      
6 H 0.074      
7 H 0.074      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.629 0.692 0.000 0.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.729 -0.085 0.000
y -0.085 -23.163 0.000
z 0.000 0.000 -22.493
Traceless
 xyz
x -0.901 -0.085 0.000
y -0.085 -0.052 0.000
z 0.000 0.000 0.953
Polar
3z2-r21.906
x2-y2-0.566
xy-0.085
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.874 -1.303 0.000
y -1.303 3.239 0.000
z 0.000 0.000 1.479


<r2> (average value of r2) Å2
<r2> 74.008
(<r2>)1/2 8.603