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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP/6-31G**

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/6-31G**
 hartrees
Energy at 0K-476.539265
Energy at 298.15K-476.543074
HF Energy-476.403688
Nuclear repulsion energy92.624992
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/6-31G**
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' 3200 3200 8.19      
2 A' 3133 3133 21.63      
3 A' 3068 3068 4.46      
4 A' 1514 1514 3.38      
5 A' 1425 1425 25.85      
6 A' 1408 1408 46.14      
7 A' 1180 1180 32.44      
8 A' 1102 1102 6.62      
9 A' 840 840 0.68      
10 A' 400 400 1.75      
11 A" 3129 3129 8.49      
12 A" 1508 1508 9.28      
13 A" 1064 1064 2.87      
14 A" 777 777 13.95      
15 A" 168 168 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 11957.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11957.5 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/6-31G**
ABC
1.63889 0.18967 0.17549

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.624 0.000
C2 -1.492 0.718 0.000
S3 0.878 -0.746 0.000
H4 0.518 1.585 0.000
H5 -1.955 -0.267 0.000
H6 -1.827 1.281 0.877
H7 -1.827 1.281 -0.877

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49501.62651.09182.14822.13042.1304
C21.49502.78522.18901.08821.09471.0947
S31.62652.78522.35822.87253.49143.4914
H41.09182.18902.35823.08932.52212.5221
H52.14821.08822.87253.08931.78351.7835
H62.13041.09473.49142.52211.78351.7545
H72.13041.09473.49142.52211.78351.7545

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.558 C1 C2 H6 109.737
C1 C2 H7 109.737 C2 C1 S3 126.261
C2 C1 H4 114.711 S3 C1 H4 119.028
H5 C2 H6 109.581 H5 C2 H7 109.581
H6 C2 H7 106.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.144      
2 C -0.348      
3 S -0.075      
4 H 0.143      
5 H 0.147      
6 H 0.139      
7 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.660 1.906 0.000 2.527
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.532 -0.509 0.000
y -0.509 -25.252 0.000
z 0.000 0.000 -25.834
Traceless
 xyz
x -0.989 -0.509 0.000
y -0.509 0.931 0.000
z 0.000 0.000 0.058
Polar
3z2-r20.116
x2-y2-1.280
xy-0.509
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.107 -1.921 0.000
y -1.921 6.481 0.000
z 0.000 0.000 3.445


<r2> (average value of r2) Å2
<r2> 74.330
(<r2>)1/2 8.621