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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-476.797916
Energy at 298.15K-476.801696
HF Energy-476.797916
Nuclear repulsion energy92.463646
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 B3LYP/6-31+G**
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' 3150 3037 8.44      
2 A' 3085 2975 23.27      
3 A' 3017 2909 4.54      
4 A' 1483 1430 6.00      
5 A' 1392 1342 31.32      
6 A' 1383 1333 55.79      
7 A' 1162 1120 48.99      
8 A' 1084 1045 8.54      
9 A' 830 801 0.47      
10 A' 395 381 1.56      
11 A" 3067 2958 6.86      
12 A" 1474 1421 12.03      
13 A" 1043 1006 4.95      
14 A" 768 741 15.74      
15 A" 162 156 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 11747.3 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 11326.8 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 B3LYP/6-31+G**
ABC
1.64343 0.18876 0.17478

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.622 0.000
C2 -1.491 0.726 0.000
S3 0.877 -0.750 0.000
H4 0.524 1.583 0.000
H5 -1.970 -0.255 0.000
H6 -1.822 1.297 0.879
H7 -1.822 1.297 -0.879

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49481.62851.09532.15582.13292.1329
C21.49482.79102.19031.09141.09901.0990
S31.62852.79102.36022.88963.50033.5003
H41.09532.19032.36023.09822.52212.5221
H52.15581.09142.88963.09821.78961.7896
H62.13291.09903.50032.52211.78961.7574
H72.13291.09903.50032.52211.78961.7574

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.986 C1 C2 H6 109.685
C1 C2 H7 109.685 C2 C1 S3 126.601
C2 C1 H4 114.596 S3 C1 H4 118.803
H5 C2 H6 109.573 H5 C2 H7 109.573
H6 C2 H7 106.171
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.022      
2 C -0.500      
3 S -0.174      
4 H 0.171      
5 H 0.181      
6 H 0.172      
7 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.771 1.992 0.000 2.665
CHELPG        
AIM        
ESP -1.740 2.086 0.000 2.716


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.001 -0.594 0.000
y -0.594 -25.721 0.000
z 0.000 0.000 -26.345
Traceless
 xyz
x -0.968 -0.594 0.000
y -0.594 0.952 0.000
z 0.000 0.000 0.016
Polar
3z2-r20.031
x2-y2-1.280
xy-0.594
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.417 -1.924 0.000
y -1.924 7.670 0.000
z 0.000 0.000 4.423


<r2> (average value of r2) Å2
<r2> 74.885
(<r2>)1/2 8.654