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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-476.744824
Energy at 298.15K-476.748620
HF Energy-476.744824
Nuclear repulsion energy91.300931
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/6-31G
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' 3166 3046 14.40      
2 A' 3130 3011 14.52      
3 A' 3020 2905 3.97      
4 A' 1518 1460 6.47      
5 A' 1443 1388 15.60      
6 A' 1406 1352 58.35      
7 A' 1168 1124 38.73      
8 A' 1106 1064 21.72      
9 A' 823 791 0.12      
10 A' 400 384 2.05      
11 A" 3071 2954 9.12      
12 A" 1512 1455 15.41      
13 A" 1072 1031 1.90      
14 A" 785 756 23.32      
15 A" 160 154 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 11889.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 11437.3 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/6-31G
ABC
1.61459 0.18385 0.17026

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.645 0.000
C2 -1.487 0.766 0.000
S3 0.874 -0.783 0.000
H4 0.549 1.589 0.000
H5 -1.976 -0.210 0.000
H6 -1.819 1.338 0.879
H7 -1.819 1.338 -0.879

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49191.67391.09252.15262.13612.1361
C21.49192.82392.19581.09161.10041.1004
S31.67392.82392.39442.90693.53913.5391
H41.09252.19582.39443.09992.53812.5381
H52.15261.09162.90693.09991.78741.7874
H62.13611.10043.53912.53811.78741.7590
H72.13611.10043.53912.53811.78741.7590

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.925 C1 C2 H6 110.059
C1 C2 H7 110.059 C2 C1 S3 126.158
C2 C1 H4 115.475 S3 C1 H4 118.367
H5 C2 H6 109.255 H5 C2 H7 109.255
H6 C2 H7 106.116
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.316      
2 C -0.428      
3 S 0.036      
4 H 0.181      
5 H 0.180      
6 H 0.174      
7 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.914 2.290 0.000 2.984
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.520 -0.295 0.000
y -0.295 -25.468 0.000
z 0.000 0.000 -25.974
Traceless
 xyz
x -0.799 -0.295 0.000
y -0.295 0.779 0.000
z 0.000 0.000 0.020
Polar
3z2-r20.040
x2-y2-1.052
xy-0.295
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.963 -2.193 0.000
y -2.193 6.662 0.000
z 0.000 0.000 3.218


<r2> (average value of r2) Å2
<r2> 76.066
(<r2>)1/2 8.722